/* assets/css/style.css - Versi Profesional */

/* ---------------------------------- */
/*      1. Reset & Variabel Global    */
/* ---------------------------------- */

:root {
    --blue-primary: #007aff;
    --blue-dark: #0056b3;
    --blue-light: #e6f2ff;
    --green-success: #34c759;
    --red-danger: #ff3b30;
    --yellow-warning: #ffcc00;
    --grey-dark: #1c1c1e;
    --grey-medium: #8e8e93;
    --grey-light: #e5e5ea;
    --grey-bg: #f2f2f7;
    --white: #ffffff;
        --info-color: #00bcd4; /* <-- PASTIKAN BARIS INI ADA */


    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition-fast: all 0.2s ease-in-out;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--grey-bg);
    color: var(--grey-dark);
    margin: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ---------------------------------- */
/*      2. Layout & Kontainer Utama   */
/* ---------------------------------- */

.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.card {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    padding: 24px;
    transition: var(--transition-fast);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

h1, h2, h3 {
    margin-top: 0;
    color: var(--grey-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.75rem; border-bottom: 1px solid var(--grey-light); padding-bottom: 0.5rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.25rem; }

/* ---------------------------------- */
/*      3. Header & Navigasi          */
/* ---------------------------------- */

header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    height: 70px;
}

nav .logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--blue-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
nav .logo i {
    font-size: 1.8rem;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 0.5rem;
}

nav ul li a {
    display: block;
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: var(--grey-medium);
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

nav ul li a:hover {
    color: var(--blue-primary);
    background-color: var(--blue-light);
}

nav ul li a.active {
    color: var(--blue-primary);
    font-weight: 700;
}

/* ---------------------------------- */
/*      4. Halaman Otentikasi         */
/* ---------------------------------- */

.auth-container {
    max-width: 420px;
    margin: 4rem auto;
    padding: 2.5rem;
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--grey-medium);
}

.form-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--grey-light);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus {
    outline: none;
    border-color: var(--blue-primary);
    box-shadow: 0 0 0 3px var(--blue-light);
}

.btn-primary {
    width: 100%;
    padding: 0.9rem;
    background-image: linear-gradient(45deg, var(--blue-primary), #00a2ff);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 0 2px 5px rgba(0,122,255,0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,122,255,0.3);
}

.auth-switch {
    margin-top: 1.5rem;
    color: var(--grey-medium);
}
.auth-switch a {
    color: var(--blue-primary);
    font-weight: 600;
    text-decoration: none;
}

/* Pesan Umpan Balik */
.message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: var(--border-radius-sm);
    text-align: center;
    border: 1px solid transparent;
}
.message.success {
    background-color: #eaf7ed;
    color: #1e6a35;
    border-color: #a3d9b3;
}
.message.error {
    background-color: #fdecea;
    color: #a42621;
    border-color: #f8b9b7;
}

/* ---------------------------------- */
/*      5. Halaman Dashboard          */
/* ---------------------------------- */
.page-header {
    margin-bottom: 2rem;
}
.page-header p {
    font-size: 1.2rem;
    color: var(--grey-medium);
}

.dashboard-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.btn-action {
    padding: 2rem;
    border: 1px solid var(--grey-light);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    color: var(--grey-dark);
    text-align: center;
    transition: var(--transition-fast);
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
}
.btn-action:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--blue-primary);
}
.btn-action i {
    font-size: 2.5rem;
    color: var(--blue-primary);
    margin-bottom: 1rem;
    display: block;
}
.btn-action .action-title {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
}
.btn-action .action-desc {
    font-size: 1rem;
    color: var(--grey-medium);
    margin: 0.5rem 0 0;
}

/* ---------------------------------- */
/*      6. Halaman Simulasi           */
/* ---------------------------------- */

.simulation-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 24px;
}

.simulation-main {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.simulation-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.simulation-wrapper {
    position: relative;
    padding: 8px !important; /* Override card padding */
}

.simulation-wrapper canvas {
    width: 100%;
    height: auto;
    display: block;
    background-color: #e0f7fa; /* Light Cyan Sky */
    border-radius: var(--border-radius-md);
}

.control-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-weight: 600;
    font-size: 1rem;
}
.control-group label i {
    color: var(--blue-primary);
}
.value-display {
    font-weight: 700;
    color: var(--blue-primary);
    background-color: var(--blue-light);
    padding: 2px 8px;
    border-radius: var(--border-radius-sm);
}
.label-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.control-group input[type="range"] {
    width: 100%;
    cursor: pointer;
    -webkit-appearance: none; appearance: none;
    background: transparent;
    margin-top: 10px;
}
.control-group input[type="range"]::-webkit-slider-runnable-track {
    background: var(--grey-light);
    height: 8px;
    border-radius: 4px;
}
.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    margin-top: -6px;
    background-color: var(--blue-primary);
    height: 20px;
    width: 20px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 0 5px rgba(0,0,0,0.2);
}

.action-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.action-panel button {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 14px;
    font-size: 1rem;
    font-weight: bold;
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}
#launchButton { background-image: linear-gradient(45deg, var(--green-success), #30d35a); }
#resetButton { background-image: linear-gradient(45deg, var(--red-danger), #ff574d); }
.action-panel button:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}
.action-panel button:disabled {
    background-image: none;
    background-color: var(--grey-medium);
    cursor: not-allowed;
    transform: none;
}

.data-wrapper p {
    font-size: 1rem;
    margin: 12px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--grey-light);
    padding-bottom: 8px;
}
.data-wrapper p:last-child {
    border-bottom: none;
}
.data-wrapper span {
    font-weight: bold;
    color: var(--grey-dark);
    padding: 4px 8px;
    background-color: var(--grey-bg);
    border-radius: var(--border-radius-sm);
    min-width: 80px;
    text-align: right;
}

/* Loading Overlay */
#loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(4px);
    display: none; /* Diubah oleh JS */
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10;
    border-radius: var(--border-radius-md);
    color: var(--grey-dark);
}
#loading-overlay i {
    font-size: 3rem;
    color: var(--blue-primary);
    margin-bottom: 1rem;
}
#loading-overlay p {
    font-size: 1.2rem;
    font-weight: 600;
}

/* ---------------------------------- */
/*      7. Responsivitas              */
/* ---------------------------------- */

@media (max-width: 992px) {
    .simulation-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }
    header {
        padding: 0 1rem;
    }
    nav {
        flex-direction: column;
        height: auto;
        padding: 1rem 0;
    }
    nav ul {
        margin-top: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
}
/* assets/css/style.css (Tambahkan di bagian akhir) */

/* ---------------------------------- */
/*      8. Gaya Halaman Depan (Index) */
/* ---------------------------------- */

/* Hero Section */
.hero-section {
    position: relative;
    height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    padding: 0 2rem;
    background: linear-gradient(135deg, #0d1b2a, #1b263b, #415a77);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(22, 28, 45, 0.5); /* Overlay gelap */
    /* Opsional: Tambahkan pola dot grid */
    background-image: radial-gradient(var(--grey-medium) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.2;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--white);
    letter-spacing: -2px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.hero-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-hero-primary {
    background-color: var(--blue-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
}
.btn-hero-primary:hover {
    background-color: var(--blue-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.4);
}

.btn-hero-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}
.btn-hero-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

/* Bagian Umum (Section) */
.features-section, .preview-section, .final-cta-section {
    padding: 5rem 2rem;
}

.section-container {
    max-width: 1100px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}
.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    border-bottom: none;
}
.section-header p {
    font-size: 1.1rem;
    color: var(--grey-medium);
    max-width: 500px;
    margin: 0.5rem auto 0;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--white);
    padding: 2rem;
    text-align: center;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}
.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background-image: linear-gradient(45deg, var(--blue-light), #cce7ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.feature-icon i {
    font-size: 2rem;
    color: var(--blue-primary);
}
.feature-card h3 {
    margin-bottom: 0.5rem;
}
.feature-card p {
    color: var(--grey-medium);
    font-size: 0.95rem;
}

/* Preview Section */
.preview-section {
    background-color: var(--white);
}
.preview-image-wrapper {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}
.preview-image-wrapper img {
    width: 100%;
    display: block;
}

/* Final CTA Section */
.final-cta-section {
    text-align: center;
    background-color: var(--grey-dark);
    color: var(--white);
}
.final-cta-section h2 {
    color: var(--white);
    border-bottom: none;
}
.final-cta-section p {
    color: var(--grey-light);
    opacity: 0.8;
}
.btn-cta-final {
    margin-top: 2rem;
    background-color: var(--blue-primary);
    color: var(--white);
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.3);
}
.btn-cta-final:hover {
    background-color: var(--blue-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 122, 255, 0.4);
}

/* Responsivitas untuk Halaman Depan */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-subtitle {
        font-size: 1.1rem;
    }
    .hero-cta-buttons {
        flex-direction: column;
    }
    .section-header h2 {
        font-size: 2rem;
    }
}
/* assets/css/style.css (Tambahkan di bagian akhir) */

/* ---------------------------------- */
/*      9. Gaya Footer Profesional    */
/* ---------------------------------- */

.site-footer {
    background-color: var(--grey-dark);
    color: var(--grey-medium);
    padding: 4rem 2rem 0;
    margin-top: 4rem; /* Memberi jarak dari konten di atas */
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr; /* Kolom pertama lebih lebar */
    gap: 2rem;
    padding-bottom: 3rem;
}

.footer-column {
    padding: 0 1rem;
}

.footer-column h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul li a {
    color: var(--grey-medium);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-column ul li a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-about .footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    margin-bottom: 1rem;
}

.footer-about .footer-logo i {
    color: var(--blue-primary);
}

.footer-about p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-social-icons {
    display: flex;
    gap: 1rem;
}

.footer-social-icons a {
    color: var(--grey-medium);
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.footer-social-icons a:hover {
    color: var(--blue-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid #3a3a3c; /* Garis pemisah yang lembut */
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.9rem;
}

/* Responsivitas untuk Footer */
@media (max-width: 992px) {
    .footer-container {
        grid-template-columns: 1fr 1fr; /* 2 kolom di tablet */
    }
}

@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr; /* 1 kolom di mobile */
        text-align: center;
    }
    .footer-about .footer-logo,
    .footer-social-icons {
        justify-content: center;
    }
    .footer-column {
        padding: 0;
    }
}

/* assets/css/style.css (Tambahkan di bagian akhir) */

/* ---------------------------------- */
/*      10. Halaman Kompetisi         */
/* ---------------------------------- */
.competitions-list {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.competition-card {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    padding: 2rem;
}

.competition-details h2 {
    border-bottom: none;
    margin-bottom: 1rem;
    color: var(--blue-primary);
}

.fixed-params {
    background-color: var(--grey-bg);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    margin: 1.5rem 0;
    font-size: 0.9rem;
    border-left: 4px solid var(--yellow-warning);
}

.btn-join {
    display: inline-flex;
    width: auto;
    padding: 0.8rem 1.5rem;
    margin-top: 1rem;
}

.leaderboard {
    border-left: 1px solid var(--grey-light);
    padding-left: 2rem;
}

.leaderboard h3 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    color: var(--grey-dark);
}

.leaderboard table {
    width: 100%;
    border-collapse: collapse;
}

.leaderboard th, .leaderboard td {
    padding: 0.8rem 0.5rem;
    text-align: left;
    border-bottom: 1px solid var(--grey-light);
}

.leaderboard th {
    font-size: 0.9rem;
    color: var(--grey-medium);
    text-transform: uppercase;
}

.leaderboard td {
    font-weight: 500;
}
.leaderboard td:last-child {
    font-weight: 700;
    text-align: right;
    color: var(--blue-primary);
}

.rank-badge {
    display: inline-block;
    width: 28px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    border-radius: 50%;
    font-weight: 700;
    color: var(--white);
    background-color: var(--grey-medium);
}
.rank-badge.rank-1 { background-color: #ffd700; color: #333; } /* Emas */
.rank-badge.rank-2 { background-color: #c0c0c0; color: #333; } /* Perak */
.rank-badge.rank-3 { background-color: #cd7f32; } /* Perunggu */

.no-data {
    color: var(--grey-medium);
    text-align: center;
    padding: 2rem 0;
}

/* Responsivitas untuk kartu kompetisi */
@media (max-width: 992px) {
    .competition-card {
        grid-template-columns: 1fr;
    }
    .leaderboard {
        border-left: none;
        border-top: 1px solid var(--grey-light);
        padding-left: 0;
        padding-top: 2rem;
        margin-top: 2rem;
    }
}
/* Tambahkan di akhir style.css */
.btn-secondary {
    background-image: linear-gradient(45deg, var(--grey-medium), #999);
     width: 100%;
    padding: 0.9rem;
     color: var(--white);
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 0 2px 5px rgba(0,122,255,0.2);
}
/* assets/css/style.css -> Tambahkan di bagian paling bawah */

/* ---------------------------------- */
/*      11. Gaya Parameter Terkunci     */
/* ---------------------------------- */

.control-group.locked-param {
    /* Beri sedikit efek pudar untuk seluruh grup */
    opacity: 0.65;
    /* Ganti pointer menjadi 'not-allowed' saat di-hover */
    cursor: not-allowed;
    /* Tambahkan latar belakang abu-abu yang sangat lembut */
    background-color: #f8f9fa;
    padding: 10px;
    margin: -10px;
    border-radius: var(--border-radius-sm);
}

.control-group.locked-param label,
.control-group.locked-param .value-display {
    /* Buat warna teks dan ikon menjadi sedikit lebih pudar */
    color: var(--grey-medium);
}

.control-group.locked-param label i {
    color: var(--grey-medium);
}

/* Gaya khusus untuk slider yang dinonaktifkan */
.control-group.locked-param input[type="range"] {
    cursor: not-allowed;
}

.control-group.locked-param input[type="range"]::-webkit-slider-runnable-track {
    /* Buat jalur slider terlihat abu-abu */
    background: #e9ecef;
}

.control-group.locked-param input[type="range"]::-webkit-slider-thumb {
    /* Buat gagang slider terlihat abu-abu dan tidak aktif */
    background-color: var(--grey-medium);
    box-shadow: none;
    border: 2px solid #e9ecef;
}
/* assets/css/style.css -> Tambahkan di bagian paling bawah */

/* ---------------------------------- */
/*      12. Gaya Modal Hasil          */
/* ---------------------------------- */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;
}

.modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    width: 90%;
    max-width: 500px;
    text-align: center;
    transform: translateY(-50px);
    transition: all 0.3s ease-in-out;
}

.modal-overlay.visible .modal-content {
    transform: translateY(0);
}

.modal-header {
    margin-bottom: 1.5rem;
}

.modal-icon {
    font-size: 4rem;
    color: var(--green-success);
    margin-bottom: 1rem;
}

.modal-header h2 {
    border-bottom: none;
    margin-bottom: 0.5rem;
}

.modal-body p {
    color: var(--grey-medium);
    font-size: 1.1rem;
}

.modal-results {
    background-color: var(--grey-bg);
    border-radius: var(--border-radius-sm);
    padding: 1rem;
    margin: 2rem 0;
    text-align: left;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    font-size: 1rem;
}
.result-item:not(:last-child) {
    border-bottom: 1px solid var(--grey-light);
}
.result-item span {
    color: var(--grey-medium);
}
.result-item strong {
    color: var(--grey-dark);
    font-size: 1.1rem;
}

.modal-footer {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.modal-btn {
    width: 100%;
    text-decoration: none;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1rem;
}
/* assets/css/style.css -> Tambahkan di bagian paling bawah */

/* ---------------------------------- */
/*      13. Gaya Tampilan Parameter Kompetisi     */
/* ---------------------------------- */

.fixed-params-display {
    background-color: var(--grey-bg);
    border-left: 4px solid var(--blue-primary);
    border-radius: var(--border-radius-sm);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
}

.fixed-params-display strong {
    display: block;
    margin-bottom: 1rem;
    color: var(--grey-dark);
    font-size: 1rem;
}

.fixed-params-display ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    /* Buat 2 kolom agar tidak terlalu panjang */
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 1.5rem;
}

.fixed-params-display li {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.fixed-params-display .param-label {
    color: var(--grey-medium);
}

.fixed-params-display .param-value {
    font-weight: 700;
    color: var(--blue-primary);
}

/* Responsivitas untuk tampilan parameter */
@media (max-width: 576px) {
    .fixed-params-display ul {
        /* Kembali ke 1 kolom di layar kecil */
        grid-template-columns: 1fr;
    }
}

/* Hapus gaya lama yang tidak terpakai (opsional, tapi baik untuk kebersihan) */
.fixed-params {
    /* Anda bisa menghapus blok CSS ini jika mau */
    display: none;
}
/* style.css */
.attempt-info {
    font-size: 0.9rem;
    color: var(--grey-medium);
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--grey-light);
}
.attempt-info strong {
    color: var(--grey-dark);
    font-size: 1rem;
}
.btn-join.disabled {
    background-image: none;
    background-color: var(--grey-medium);
    cursor: not-allowed;
    pointer-events: none;
}
/* style.css */
.tabs-nav {
    display: flex;
    border-bottom: 1px solid var(--grey-light);
    margin-bottom: 2rem;
}
.tab-link {
    padding: 0.8rem 1.5rem;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -1px;
    text-decoration: none;
    color: var(--grey-medium);
    font-weight: 600;
}
.tab-link:hover {
    color: var(--grey-dark);
}
.tab-link.active {
    color: var(--blue-primary);
    border-bottom-color: var(--blue-primary);
}
.tab-pane {
    display: none;
}
.tab-pane.active {
    display: block;
}
/* assets/css/style.css -> Tambahkan di bagian paling bawah */

/* ---------------------------------- */
/*      14. Gaya Halaman Hasil Kompetisi     */
/* ---------------------------------- */

/* Podium Pemenang */
.podium-container {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 1rem;
    margin: 3rem auto 4rem;
    min-height: 250px;
    padding: 0 1rem;
}

.podium-place {
    text-align: center;
    width: 30%;
    max-width: 180px;
    background-color: var(--white);
    border-top-left-radius: var(--border-radius-md);
    border-top-right-radius: var(--border-radius-md);
    padding: 1.5rem 1rem;
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--grey-light);
    border-bottom: none;
    transition: all 0.3s ease-in-out;
}
.podium-place:hover {
    transform: translateY(-10px);
}

.podium-place.first {
    order: 2;
    height: 180px;
    font-size: 1.2rem;
    background-image: linear-gradient(to top, #fff1a7, var(--white));
    border-color: #ffd700;
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
}
.podium-place.second {
    order: 1;
    height: 150px;
    background-image: linear-gradient(to top, #eef2f3, var(--white));
    border-color: #c0c0c0;
}
.podium-place.third {
    order: 3;
    height: 120px;
    background-image: linear-gradient(to top, #f0e1d1, var(--white));
    border-color: #cd7f32;
}

.podium-rank {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.podium-place.first .podium-rank { color: #daa520; }
.podium-place.second .podium-rank { color: #a9a9a9; }
.podium-place.third .podium-rank { color: #b87333; }
.podium-rank i {
    margin-right: 0.25rem;
}

.podium-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--grey-bg);
    margin: 0 auto 0.5rem;
    border: 3px solid var(--white);
    box-shadow: var(--shadow-sm);
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23cccccc"><path d="M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z"/></svg>');
    background-size: 65%;
    background-position: center;
    background-repeat: no-repeat;
}

.podium-name {
    font-weight: 600;
    color: var(--grey-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.podium-score {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--blue-primary);
}

/* Sorotan Skor Pribadi di Tabel */
.table-responsive tbody tr.user-highlight {
    background-color: var(--blue-light) !important; /* !important untuk menimpa gaya hover */
    border-left: 4px solid var(--blue-primary);
    border-right: 4px solid var(--blue-primary);
}
.table-responsive tbody tr.user-highlight td {
    font-weight: 700;
}
.table-responsive tbody td.metric-highlight {
    font-weight: 700;
    color: var(--blue-primary);
}
/* Tambahkan di bagian paling bawah style.css */

.countdown {
    font-size: 0.9rem;
    color: var(--grey-medium);
    background-color: var(--grey-bg);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    margin-top: 1.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.countdown-timer {
    font-weight: 700;
    color: var(--red-danger);
}
/* assets/css/style.css -> Tambahkan di bagian paling bawah */

/* ---------------------------------- */
/*      14. Gaya Halaman Kontak       */
/* ---------------------------------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr; /* Kolom form lebih lebar */
    gap: 2rem;
    margin-top: 2rem;
}

.contact-info-wrapper, .contact-form-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1rem 0;
}
.contact-list li:not(:last-child) {
    border-bottom: 1px solid var(--grey-light);
}

.contact-list i {
    font-size: 1.5rem;
    color: var(--blue-primary);
    margin-top: 0.5rem;
    width: 30px; /* Lebar tetap agar sejajar */
    text-align: center;
}

.contact-list strong {
    display: block;
    font-size: 1rem;
    color: var(--grey-dark);
}

.contact-list p {
    margin: 0.25rem 0 0;
    color: var(--grey-medium);
    font-size: 0.95rem;
}
.contact-list a {
    color: var(--blue-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}
.contact-list a:hover {
    text-decoration: underline;
}

.map-container {
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    line-height: 0; /* Menghilangkan spasi bawah iframe */
}

/* Responsivitas untuk halaman kontak */
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}
/* assets/css/style.css -> Tambahkan di akhir */

/* ---------------------------------- */
/*      15. Gaya Halaman Legal        */
/* ---------------------------------- */
.legal-page .card {
    line-height: 1.8;
}
.legal-page .card h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--blue-light);
    padding-bottom: 0.5rem;
}
.legal-page .card ul {
    padding-left: 20px;
}
.legal-page .card li {
    margin-bottom: 0.75rem;
}
/* assets/css/style.css -> Tambahkan di akhir */

/* ---------------------------------- */
/*      16. Gaya Modal Pembayaran     */
/* ---------------------------------- */

.payment-modal {
    max-width: 600px;
}
.payment-modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--grey-light);
}
.payment-modal .modal-header h2 {
    margin: 0; border: none; padding: 0;
}
.close-payment-modal {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--grey-medium);
}
.payment-modal .modal-body {
    max-height: 70vh;
    overflow-y: auto;
    padding-top: 1.5rem;
}

.payment-group {
    margin-bottom: 1.5rem;
}
.payment-group h4 {
    margin: 0 0 1rem;
    font-size: 1rem;
    text-transform: uppercase;
    color: var(--grey-medium);
}
.payment-channel-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--grey-light);
    border-radius: var(--border-radius-sm);
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}
.payment-channel-item:hover {
    background-color: var(--blue-light);
    border-color: var(--blue-primary);
}
.payment-channel-item img {
    height: 25px;
    width: auto;
    margin-right: 1rem;
}
.payment-channel-item span {
    font-weight: 600;
}
/* assets/css/style.css -> Tambahkan di bagian paling bawah */

/* ---------------------------------- */
/*      17. Gaya Halaman Dashboard    */
/* ---------------------------------- */
.dashboard-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.dashboard-main, .dashboard-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.welcome-banner {
    background: linear-gradient(135deg, var(--blue-primary), #3a7bd5);
    color: var(--white);
    padding: 2rem;
}
.welcome-banner h2 {
    color: var(--white);
    border: none;
    margin: 0;
}
.welcome-banner p {
    margin: 0.5rem 0 0;
    opacity: 0.9;
    font-size: 1.1rem;
}

.dashboard-main h3 {
    margin-bottom: -1rem; /* Merapatkan judul dengan kartu di bawahnya */
}

/* Kartu Statistik */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}
.stat-card {
    display: flex;
    align-items: center;
    background-color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}
.stat-card .stat-icon {
    font-size: 1.8rem;
    color: var(--blue-primary);
    margin-right: 1rem;
}
.stat-info .stat-number {
    font-size: 1.5rem;
    font-weight: 700;
}
.stat-info .stat-label {
    font-size: 0.85rem;
    color: var(--grey-medium);
}

/* Aksi Cepat */
.quick-actions .action-box {
    display: block;
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    text-decoration: none;
    color: var(--white);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}
.quick-actions .action-box:not(:last-child) {
    margin-bottom: 1rem;
}
.quick-actions .action-box:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-md);
}
.quick-actions .action-box.free-play {
    background: linear-gradient(45deg, #1e90ff, #3a7bd5);
}
.quick-actions .action-box.arena {
    background: linear-gradient(45deg, #ff8c00, #f76b1c);
}
.quick-actions .action-box i {
    font-size: 2rem;
    opacity: 0.8;
}
.quick-actions .action-box span {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0.5rem 0;
}
.quick-actions .action-box p {
    margin: 0;
    opacity: 0.9;
}
.quick-actions .action-box::after { /* Efek ikon besar di background */
    content: '\f135'; /* Ikon roket */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: 10px;
    bottom: -20px;
    font-size: 6rem;
    color: rgba(255, 255, 255, 0.1);
    transform: rotate(-20deg);
}
.quick-actions .action-box.arena::after {
    content: '\f091'; /* Ikon piala */
}

/* Kompetisi Unggulan */
.featured-comps-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.featured-comp-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    background-color: var(--grey-bg);
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    transition: var(--transition-fast);
}
.featured-comp-item:hover {
    background-color: var(--blue-light);
    transform: translateX(5px);
}
.featured-comp-item .comp-icon {
    color: var(--blue-primary);
    margin-right: 1rem;
    font-size: 1.5rem;
}
.featured-comp-item .comp-info {
    flex-grow: 1;
}
.featured-comp-item .comp-info strong {
    display: block;
    color: var(--grey-dark);
}
.featured-comp-item .comp-info span {
    font-size: 0.8rem;
    color: var(--grey-medium);
}
.featured-comp-item .arrow {
    color: var(--grey-medium);
}

/* Responsivitas */
@media (max-width: 992px) {
    .dashboard-container {
        grid-template-columns: 1fr;
    }
}
/* assets/css/style.css -> Tambahkan di bagian paling bawah */

/* ---------------------------------- */
/*      18. Gaya Tabel Riwayat Dashboard    */
/* ---------------------------------- */

/* Perbaikan umum untuk tabel di dashboard dan admin */
.table-responsive table {
    width: 100%;
    border-collapse: collapse;
}
.table-responsive th, .table-responsive td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--grey-light);
    vertical-align: middle;
}
.table-responsive th {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--grey-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.table-responsive tbody tr:hover {
    background-color: var(--grey-bg);
}
.table-responsive td small {
    color: var(--grey-medium);
}

/* Gaya khusus untuk tabel riwayat */
.mode-cell {
    display: flex;
    flex-direction: column;
}
.mode-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    text-align: center;
    color: white;
    width: fit-content;
}
.mode-badge.competition {
    background-color: var(--yellow-warning);
    color: var(--grey-dark);
}
.mode-badge.practice {
    background-color: var(--blue-primary);
}
/* assets/css/style.css -> Ganti blok CSS Halaman Kompetisi yang lama dengan ini */

/* ---------------------------------- */
/*      19. Gaya BARU Halaman Kompetisi */
/* ---------------------------------- */
/* assets/css/style.css -> Ganti blok #19 */

/* ---------------------------------- */
/*      19. Gaya BARU Halaman Kompetisi (Disempurnakan) */
/* ---------------------------------- */
.tabs-container { margin-top: 2rem; }
.tab-buttons { display: flex; border-bottom: 2px solid var(--grey-light); margin-bottom: 2rem; }
.tab-button { padding: 1rem 1.5rem; cursor: pointer; background: none; border: none; font-size: 1.1rem; font-weight: 600; color: var(--grey-medium); position: relative; top: 2px; transition: var(--transition-fast); }
.tab-button:hover { color: var(--grey-dark); }
.tab-button.active { color: var(--blue-primary); border-bottom: 2px solid var(--blue-primary); }
.count-badge { background-color: var(--grey-light); color: var(--grey-medium); font-size: 0.8rem; padding: 2px 8px; border-radius: 20px; margin-left: 0.5rem; }
.tab-button.active .count-badge { background-color: var(--blue-light-bg); color: var(--blue-primary); }
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.5s; }

.competitions-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 2.5rem; }
.no-competitions { color: var(--grey-medium); text-align: center; padding: 3rem; grid-column: 1 / -1; }

.comp-card-wrapper { background-color: var(--white); border-radius: var(--border-radius-md); box-shadow: var(--shadow-md); display: flex; flex-direction: column; overflow: hidden; transition: var(--transition-fast); border: 1px solid transparent; }
.comp-card-wrapper:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--blue-primary); }

.comp-card-header { padding: 1.25rem 1.5rem; color: white; display: flex; align-items: center; gap: 1rem; }
.comp-card-header.type-weekly { background: linear-gradient(135deg, #1e90ff, #3a7bd5); }
.comp-card-header.type-seasonal_league { background: linear-gradient(135deg, #ff8c00, #f76b1c); }
.comp-card-header.type-special_event { background: linear-gradient(135deg, #9b59b6, #8e44ad); }
.comp-card-header.status-ended { background: var(--grey-medium); }
.header-icon { font-size: 2rem; opacity: 0.8; }
.header-text h4 { margin: 0; font-size: 1.3rem; font-weight: 700; }
.header-meta { display: flex; gap: 0.5rem; margin-top: 0.25rem; }
.badge { padding: 0.2rem 0.6rem; border-radius: 20px; font-size: 0.7rem; font-weight: 700; text-transform: capitalize; border: 1px solid rgba(255,255,255,0.5); }

.comp-card-body { padding: 1.5rem; flex-grow: 1; display: flex; flex-direction: column; }
.comp-description { color: var(--text-medium); font-size: 1rem; margin-top: 0; margin-bottom: 1.5rem; }

.comp-main-content {
    display: flex;
    gap: 2rem;
    flex-grow: 1; /* Membuat bagian ini mengisi ruang yang tersedia */
}
.comp-leaderboard {
    flex: 2; /* Leaderboard mengambil 2/3 ruang */
}
.comp-meta {
    flex: 1; /* Meta mengambil 1/3 ruang */
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    font-size: 0.9rem;
    color: var(--grey-medium);
    background-color: var(--grey-bg);
    padding: 1rem;
    border-radius: var(--border-radius-sm);
}
.comp-meta span { display: inline-flex; align-items: center; gap: 0.6rem; }
.comp-meta .countdown { font-weight: 700; color: var(--blue-primary); }

.comp-leaderboard h5 { margin: 0 0 1rem; font-size: 0.9rem; text-transform: uppercase; color: var(--grey-medium); }
.comp-leaderboard ol { list-style: none; padding: 0; margin: 0; }
.comp-leaderboard li { display: flex; align-items: center; padding: 0.6rem 0; font-size: 0.95rem; border-bottom: 1px solid var(--grey-light); }
.comp-leaderboard li:last-child { border-bottom: none; }
.comp-leaderboard li .rank { font-weight: 700; width: 30px; color: var(--grey-medium); }
.comp-leaderboard li .name { flex-grow: 1; font-weight: 600; }
.comp-leaderboard li .score { font-weight: 700; color: var(--blue-primary); }
.comp-leaderboard li:nth-child(1) { font-size: 1rem; }
.comp-leaderboard li:nth-child(1) .rank, .comp-leaderboard li:nth-child(1) .name { color: #DAA520; }
.comp-leaderboard li:nth-child(2) .rank, .comp-leaderboard li:nth-child(2) .name { color: #aaa; }
.comp-leaderboard li:nth-child(3) .rank, .comp-leaderboard li:nth-child(3) .name { color: #cd7f32; }
.no-leaderboard { font-size: 0.9rem; color: var(--grey-medium); text-align: center; padding: 1rem; background-color: var(--grey-bg); border-radius: var(--border-radius-sm); }

.comp-card-footer { background-color: var(--grey-bg); padding: 1rem 1.5rem; border-top: 1px solid var(--grey-light); margin-top: 1.5rem; }
.comp-card-footer .btn-join { width: 100%; padding: 0.9rem; }
.btn-join.disabled { background: var(--grey-medium); cursor: not-allowed; opacity: 0.7; }

@media (max-width: 500px) {
    .competitions-grid { grid-template-columns: 1fr; }
    .comp-main-content { flex-direction: column; }
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
/* assets/css/style.css -> Tambahkan di akhir */

#ad-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 600;
    z-index: 9999;
}
/* assets/css/style.css -> Tambahkan di akhir */
.profile-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 2rem; }
.profile-avatar-wrapper { position: relative; width: 150px; height: 150px; margin: 0 auto 1rem; }
.profile-avatar { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; border: 4px solid var(--white); box-shadow: var(--shadow-md); }
.avatar-edit-button { position: absolute; bottom: 5px; right: 5px; background-color: var(--blue-primary); color: white; width: 40px; height: 40px; border-radius: 50%; display: flex; justify-content: center; align-items: center; cursor: pointer; border: 2px solid white; transition: var(--transition-fast); }
.avatar-edit-button:hover { transform: scale(1.1); }
.profile-sidebar { text-align: center; }
.profile-username { margin: 0; border: none; }
.profile-email { color: var(--grey-medium); margin-top: 0.25rem; }
.profile-join-date { font-size: 0.9rem; color: var(--grey-medium); margin-top: 1rem; border-top: 1px solid var(--grey-light); padding-top: 1rem; }
@media (max-width: 992px) { .profile-grid { grid-template-columns: 1fr; } }

/* assets/css/style.css -> Tambahkan di akhir */

/* ---------------------------------- */
/*      20. Perbaikan UI/UX Kompetisi   */
/* ---------------------------------- */

/* Header kartu yang telah berakhir akan sedikit lebih pudar */
.comp-card-header.status-ended {
    background: var(--grey-medium);
    opacity: 0.8;
}

/* Gaya untuk garis pemisah di kartu yang telah berakhir */
.comp-divider {
    border: none;
    border-top: 1px solid var(--grey-light);
    margin: 1.5rem 0;
}
/* assets/css/style.css -> Tambahkan di bagian paling bawah */

/* ---------------------------------- */
/*      22. Gaya Header Responsif     */
/* ---------------------------------- */

.site-header {
    background: linear-gradient(135deg, #0b1e3d 0%, #123263 50%, #0b3d5c 100%);
    box-shadow: 0 4px 20px rgba(0, 20, 60, 0.25);
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--blue-primary);
}
.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}
.site-header .logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.site-header .logo .logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--blue-primary), #00bcd4);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.45);
    transition: transform 0.3s ease;
}
.site-header .logo:hover .logo-icon {
    transform: translateY(-2px) rotate(-8deg);
}
.site-header .logo i { font-size: 1.3rem; color: var(--white); }
.site-header .logo .logo-highlight { color: #4db8ff; }

/* Navigasi Desktop */
.main-nav ul {
    list-style: none; padding: 0; margin: 0;
    display: flex; align-items: center; gap: 0.25rem;
}
.main-nav ul a {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.6rem 0.9rem; text-decoration: none;
    color: rgba(255, 255, 255, 0.75); font-weight: 600;
    border-radius: 10px; transition: all 0.2s ease;
    font-size: 0.95rem;
    position: relative;
}
.main-nav ul a i { font-size: 0.95rem; opacity: 0.9; }
.main-nav ul a:hover { color: var(--white); background-color: rgba(255, 255, 255, 0.1); }
.main-nav ul a.active {
    color: var(--white);
    background-color: rgba(0, 122, 255, 0.35);
    box-shadow: inset 0 0 0 1px rgba(0, 122, 255, 0.5);
}
.main-nav ul a.active::after {
    content: '';
    position: absolute;
    bottom: -3px; left: 50%;
    transform: translateX(-50%);
    width: 60%; height: 3px;
    background: linear-gradient(90deg, var(--blue-primary), #00bcd4);
    border-radius: 3px 3px 0 0;
}
.nav-user-link { display: flex; align-items: center; gap: 0.5rem; }
.nav-avatar-wrap {
    display: inline-flex;
    border: 2px solid var(--blue-primary);
    border-radius: 50%;
    padding: 2px;
    background: rgba(255,255,255,0.15);
}
.nav-avatar { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; }
.nav-cta-button {
    background: linear-gradient(135deg, var(--blue-primary), #00bcd4);
    color: white !important;
    box-shadow: 0 4px 14px rgba(0, 122, 255, 0.4);
    border-radius: 999px !important;
    padding: 0.6rem 1.3rem !important;
    margin-left: 0.25rem;
}
.nav-cta-button:hover {
    background: linear-gradient(135deg, var(--blue-dark), #0097a7);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(0, 122, 255, 0.5);
}
.nav-logout { color: rgba(255, 255, 255, 0.6) !important; }
.nav-logout:hover { color: #ff6b6b !important; background-color: rgba(255, 59, 48, 0.15) !important; }

/* Tombol Hamburger (Hanya terlihat di mobile) */
.hamburger-button {
    display: none; /* Sembunyikan di desktop */
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    width: 44px; height: 44px;
    font-size: 1.3rem;
    color: var(--white); cursor: pointer; z-index: 1002;
    transition: all 0.2s ease;
}
.hamburger-button:hover { background: rgba(255, 255, 255, 0.2); }

/* Menu Overlay Mobile */
.mobile-menu-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: rgba(2, 12, 30, 0.65);
    backdrop-filter: blur(3px);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}
.mobile-menu-overlay.open {
    opacity: 1; visibility: visible;
}
.mobile-menu-content {
    position: absolute;
    top: 0; right: -100%; /* Mulai dari luar layar */
    width: 80%; max-width: 320px; height: 100%;
    background: linear-gradient(180deg, #0e2447 0%, #0b1e3d 100%);
    box-shadow: -8px 0 30px rgba(0,0,0,0.4);
    transition: right 0.4s ease-in-out;
    display: flex; flex-direction: column;
    overflow-y: auto;
}
.mobile-menu-overlay.open .mobile-menu-content {
    right: 0; /* Geser masuk ke layar */
}
.mobile-menu-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1rem 1.5rem; border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.close-menu-button {
    background: rgba(255, 255, 255, 0.1);
    border: none; border-radius: 8px;
    width: 40px; height: 40px;
    font-size: 1.5rem;
    color: var(--white); cursor: pointer; line-height: 1;
    transition: all 0.2s ease;
}
.close-menu-button:hover { background: rgba(255, 59, 48, 0.3); }

.mobile-user-card {
    display: flex; align-items: center; gap: 0.9rem;
    padding: 1.2rem 1.5rem;
    background: rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.mobile-user-avatar {
    width: 48px; height: 48px; border-radius: 50%;
    object-fit: cover; border: 2px solid var(--blue-primary);
}
.mobile-user-card strong { display: block; color: var(--white); font-size: 1rem; }
.mobile-user-card small { color: rgba(255, 255, 255, 0.6); font-size: 0.8rem; }

.mobile-nav ul {
    list-style: none; padding: 0.8rem 0; margin: 0;
}
.mobile-nav ul a {
    display: flex; align-items: center; gap: 0.9rem;
    padding: 0.95rem 1.5rem;
    font-size: 1.05rem; font-weight: 600;
    color: rgba(255, 255, 255, 0.8); text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
}
.mobile-nav ul a i { width: 22px; text-align: center; color: var(--blue-primary); font-size: 1rem; }
.mobile-nav ul a:hover { background-color: rgba(255, 255, 255, 0.08); color: var(--white); }
.mobile-nav ul a.active {
    color: var(--white);
    background-color: rgba(0, 122, 255, 0.25);
    border-left-color: var(--blue-primary);
}
.mobile-nav hr { border: none; border-top: 1px solid rgba(255, 255, 255, 0.1); margin: 0.8rem 0; }

/* --- Media Query untuk Responsivitas --- */
@media (max-width: 992px) {
    .main-nav ul a span:not(.nav-username) { display: none; }
    .main-nav ul a { padding: 0.6rem 0.7rem; }
}
@media (max-width: 768px) {
    .site-header {
        padding: 0 1rem;
    }
    .main-nav {
        display: none; /* Sembunyikan navigasi desktop */
    }
    .hamburger-button {
        display: block; /* Tampilkan tombol hamburger */
    }
}
/* assets/css/style.css -> Tambahkan di akhir */

/* ---------------------------------- */
/*      23. Gaya Toast Notification   */
/* ---------------------------------- */

.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.toast {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    margin-bottom: 1rem;
    color: var(--white);
    transform: translateX(120%);
    opacity: 0;
    transition: all 0.4s ease-in-out;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
}

.toast-message {
    font-weight: 600;
}

/* Warna untuk setiap status */
.toast.success {
    background: linear-gradient(45deg, var(--green-success), #30d35a);
}
.toast.error {
    background: linear-gradient(45deg, var(--red-danger), #ff574d);
}

/* assets/css/style.css -> Tambahkan di akhir */

/* Efek highlight untuk leaderboard yang diupdate */
.comp-leaderboard.updated {
    transition: background-color 0.5s;
    background-color: #fffbe6; /* Kuning lembut */
    animation: fade-out-highlight 2s forwards;
}

@keyframes fade-out-highlight {
    from { background-color: #fffbe6; }
    to { background-color: transparent; }
}