/* index.css */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-deep: hsl(230, 35%, 7%);
    --bg-card: rgba(15, 17, 28, 0.65);
    --bg-card-hover: rgba(22, 25, 43, 0.85);
    --color-primary: hsl(185, 95%, 48%);
    --color-primary-glow: rgba(0, 242, 254, 0.15);
    --color-secondary: hsl(270, 75%, 62%);
    --color-secondary-glow: rgba(157, 78, 221, 0.15);
    --color-success: hsl(145, 80%, 45%);
    --color-success-glow: rgba(40, 199, 111, 0.15);
    --color-error: hsl(340, 85%, 60%);
    --color-error-glow: rgba(234, 84, 85, 0.15);
    --text-main: hsl(210, 25%, 95%);
    --text-muted: hsl(210, 15%, 70%);
    --border-glow: rgba(0, 242, 254, 0.12);
    --border-normal: rgba(255, 255, 255, 0.08);
    --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-deep);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Microscopic Cellular Floating Background */
.cellular-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.cell-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.12;
    pointer-events: none;
    mix-blend-mode: screen;
}

.cell-blob-cyan {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    top: 10%;
    left: 5%;
    animation: floatBlob 25s infinite alternate ease-in-out;
}

.cell-blob-purple {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-secondary) 0%, transparent 70%);
    bottom: 10%;
    right: 5%;
    animation: floatBlob 35s infinite alternate-reverse ease-in-out;
}

.cell-blob-magenta {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--color-error) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    animation: floatBlob 20s infinite alternate ease-in-out;
}

@keyframes floatBlob {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(50px, -40px) scale(1.15); }
    100% { transform: translate(-30px, 60px) scale(0.9); }
}

/* App Header & Brand */
header {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-normal);
    z-index: 10;
    position: relative;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    font-size: 28px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
    letter-spacing: -1px;
}

.brand-title {
    font-weight: 700;
    font-size: 22px;
    letter-spacing: 0.5px;
    background: linear-gradient(to right, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 16px;
    border-radius: 50px;
    border: 1px solid var(--border-normal);
}

.badge-text {
    font-size: 13px;
    font-weight: 500;
}

.badge-name {
    color: var(--color-primary);
    font-weight: 600;
}

.btn-logout {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-smooth);
}

.btn-logout:hover {
    color: var(--color-error);
}

/* Master Layout Container */
main {
    width: 100%;
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
    min-height: calc(100vh - 200px);
}

/* Glassmorphism Section Views */
.view-section {
    display: none;
    animation: fadeIn 0.4s ease-out forwards;
}

.view-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Auth Cards */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 250px);
}

.auth-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-normal);
    border-radius: 24px;
    padding: 40px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
}

.auth-card h2 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 8px;
    text-align: center;
}

.auth-subtitle {
    color: var(--text-muted);
    font-size: 14px;
    text-align: center;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-normal);
    border-radius: 12px;
    padding: 14px 16px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 15px;
    outline: none;
    transition: var(--transition-smooth);
}

.form-group input:focus {
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 15px var(--color-primary-glow);
}

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #0c0e1b;
    border: none;
    border-radius: 12px;
    padding: 15px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

.auth-toggle {
    margin-top: 24px;
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
}

.auth-toggle a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.auth-toggle a:hover {
    text-decoration: underline;
    color: #fff;
}

/* Dashboard Layout Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 30px;
}

@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.dashboard-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Glass Cards */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-normal);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow-premium);
    position: relative;
    transition: var(--transition-smooth);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    border: 1px solid transparent;
    background: linear-gradient(135deg, rgba(0,242,254,0.1), rgba(157,78,221,0.1)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: destination-out;
    mask-composite: exclude;
    pointer-events: none;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-title-icon {
    color: var(--color-primary);
    font-size: 22px;
}

/* Profile Progress & Stats */
.progress-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 25px;
}

.progress-circular-wrapper {
    position: relative;
    width: 130px;
    height: 130px;
    margin-bottom: 15px;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring__circle {
    transition: stroke-dashoffset 0.5s ease-in-out;
    stroke: url(#cyanPurpleGrad);
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 22px;
    font-weight: 800;
}

.progress-percent {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
}

.stats-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    width: 100%;
}

.stat-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-normal);
    border-radius: 12px;
    padding: 12px;
    text-align: center;
}

.stat-val {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Redo simulation alert */
.redo-notice {
    background: rgba(157, 78, 221, 0.08);
    border: 1px solid rgba(157, 78, 221, 0.2);
    border-radius: 12px;
    padding: 15px;
    margin-top: 15px;
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

.redo-notice strong {
    color: var(--color-secondary);
}

.btn-reset-sim {
    background: none;
    border: 1px solid var(--border-normal);
    color: var(--text-muted);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 12px;
    transition: var(--transition-smooth);
    width: 100%;
}

.btn-reset-sim:hover {
    border-color: var(--color-error);
    color: var(--color-error);
    background: var(--color-error-glow);
}

/* Announcement Board */
.announcement-board {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-height: 520px;
    overflow-y: auto;
    padding-right: 8px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

.announcement-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-normal);
    border-radius: 16px;
    padding: 20px;
    transition: var(--transition-smooth);
}

.announcement-item:hover {
    border-color: var(--border-glow);
    background: rgba(255, 255, 255, 0.05);
}

.announcement-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
    gap: 15px;
}

.announcement-title {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
}

.announcement-date {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
}

.announcement-content {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 15px;
    white-space: pre-line;
}

.attachment-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 242, 254, 0.06);
    border: 1px solid rgba(0, 242, 254, 0.2);
    border-radius: 50px;
    padding: 8px 16px;
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.attachment-pill:hover {
    background: rgba(0, 242, 254, 0.15);
    transform: translateY(-1px);
}

.no-announcements {
    text-align: center;
    color: var(--text-muted);
    padding: 40px 20px;
    font-style: italic;
}

/* Dashboard Action Box */
.dashboard-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

@media (max-width: 600px) {
    .dashboard-actions {
        grid-template-columns: 1fr;
    }
}

.action-card {
    background: var(--bg-card);
    border: 1px solid var(--border-normal);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.action-card:hover {
    border-color: var(--color-primary);
    background: var(--bg-card-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px var(--color-primary-glow);
}

.action-icon {
    font-size: 32px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.action-title {
    font-size: 16px;
    font-weight: 700;
}

.action-desc {
    font-size: 12px;
    color: var(--text-muted);
}

/* Navigation & Subheaders */
.view-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    gap: 20px;
    flex-wrap: wrap;
}

.view-title-group h2 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.view-title-group p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 4px;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-normal);
    color: var(--text-main);
    border-radius: 12px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-primary);
}

/* Simulation Section (Q&A) */
.simulator-layout {
    display: grid;
    grid-template-columns: 2.2fr 1fr;
    gap: 30px;
}

@media (max-width: 950px) {
    .simulator-layout {
        grid-template-columns: 1fr;
    }
}

.question-box {
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.question-number {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.question-text {
    font-size: 19px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 25px;
}

.options-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 30px;
}

.option-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-normal);
    border-radius: 12px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: var(--transition-smooth);
    user-select: none;
    position: relative;
}

.option-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.04);
}

.option-badge {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--border-normal);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 13px;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

.option-text {
    font-size: 15px;
    line-height: 1.4;
    color: var(--text-main);
}

/* Selection and Feedback States */
.option-item.selected {
    border-color: var(--color-primary);
    background: rgba(0, 242, 254, 0.05);
}

.option-item.selected .option-badge {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #0c0e1b;
}

.option-item.correct {
    border-color: var(--color-success);
    background: var(--color-success-glow);
}

.option-item.correct .option-badge {
    border-color: var(--color-success);
    background: var(--color-success);
    color: #fff;
}

.option-item.incorrect {
    border-color: var(--color-error);
    background: var(--color-error-glow);
}

.option-item.incorrect .option-badge {
    border-color: var(--color-error);
    background: var(--color-error);
    color: #fff;
}

.sim-nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    border-top: 1px solid var(--border-normal);
    padding-top: 20px;
}

/* Interactive Summary Card (Cognitive Feedback) */
.review-card {
    background: linear-gradient(135deg, rgba(15, 17, 28, 0.9), rgba(20, 24, 45, 0.9));
    border: 1px solid var(--border-normal);
    border-radius: 16px;
    padding: 24px;
    margin-top: 24px;
    display: none;
    animation: slideUp 0.4s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

.review-card.active {
    display: block;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.review-header {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 12px;
}

.review-title {
    font-size: 13px;
    background: var(--color-primary-glow);
    padding: 3px 10px;
    border-radius: 50px;
    border: 1px solid rgba(0, 242, 254, 0.2);
}

.review-content {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    white-space: pre-line;
}

.review-content strong {
    color: #fff;
}

/* Sidebar Questions list (Navigation Panel) */
.nav-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.question-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
    gap: 8px;
}

.grid-btn {
    width: 42px;
    height: 42px;
    border-radius: 8px;
    border: 1px solid var(--border-normal);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-muted);
    font-weight: 600;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-smooth);
}

.grid-btn:hover {
    border-color: #fff;
    color: #fff;
}

.grid-btn.answered-correct {
    background: var(--color-success-glow);
    border-color: var(--color-success);
    color: var(--color-success);
}

.grid-btn.answered-incorrect {
    background: var(--color-error-glow);
    border-color: var(--color-error);
    color: var(--color-error);
}

.grid-btn.current {
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: 0 0 10px var(--color-primary-glow);
    font-weight: 800;
}

/* Leaderboard Page styles */
.ranking-layout {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 30px;
}

@media (max-width: 900px) {
    .ranking-layout {
        grid-template-columns: 1fr;
    }
}

/* Podium Top 3 Render */
.podium-container {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    height: 250px;
    margin: 40px 0 20px 0;
    gap: 12px;
}

.podium-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 90px;
    position: relative;
    border-radius: 12px 12px 0 0;
    transition: var(--transition-smooth);
}

.podium-name {
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 8px;
    width: 110px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #fff;
}

.podium-score {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 4px;
}

.podium-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    margin-bottom: 8px;
    box-shadow: var(--shadow-premium);
}

.podium-block {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    font-weight: 800;
    color: #0c0e1b;
    border-radius: 10px 10px 0 0;
}

/* Podium Specifics */
.podium-step.first {
    height: 150px;
}
.podium-step.first .podium-block {
    height: 150px;
    background: linear-gradient(to top, #ffd700, #ffae00);
}
.podium-step.first .podium-avatar {
    border: 2px solid #ffd700;
    background: rgba(255, 215, 0, 0.1);
}

.podium-step.second {
    height: 110px;
}
.podium-step.second .podium-block {
    height: 110px;
    background: linear-gradient(to top, #c0c0c0, #9e9e9e);
}
.podium-step.second .podium-avatar {
    border: 2px solid #c0c0c0;
    background: rgba(192, 192, 192, 0.1);
}

.podium-step.third {
    height: 80px;
}
.podium-step.third .podium-block {
    height: 80px;
    background: linear-gradient(to top, #cd7f32, #ad5b15);
}
.podium-step.third .podium-avatar {
    border: 2px solid #cd7f32;
    background: rgba(205, 127, 50, 0.1);
}

.personal-rank-banner {
    background: linear-gradient(135deg, var(--color-primary-glow), var(--color-secondary-glow));
    border: 1px solid var(--color-primary);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.rank-banner-info h3 {
    font-size: 18px;
    font-weight: 700;
}

.rank-banner-info p {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

.rank-banner-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-primary);
    text-shadow: 0 0 15px var(--color-primary-glow);
}

/* Leaderboard List Table */
.ranking-table-card {
    max-height: 520px;
    overflow-y: auto;
}

.ranking-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ranking-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-radius: 12px;
    border: 1px solid var(--border-normal);
    background: rgba(255, 255, 255, 0.02);
    transition: var(--transition-smooth);
}

.ranking-row:hover {
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
}

.ranking-row.me {
    border-color: var(--color-primary);
    background: var(--color-primary-glow);
}

.rank-cell-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.rank-number-cell {
    width: 24px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-muted);
}

.ranking-row.me .rank-number-cell {
    color: var(--color-primary);
}

.rank-name-cell {
    font-size: 14px;
    font-weight: 600;
}

.rank-name-cell.pseudonym {
    font-style: italic;
    color: var(--text-muted);
}

.ranking-row.me .rank-name-cell {
    color: #fff;
    font-weight: 700;
}

.rank-score-cell {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
}

/* Admin Dashboard View */
.admin-metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.admin-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

@media (max-width: 900px) {
    .admin-layout {
        grid-template-columns: 1fr;
    }
}

/* Form Styles */
.form-card textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-normal);
    border-radius: 12px;
    padding: 14px 16px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 14px;
    outline: none;
    transition: var(--transition-smooth);
    min-height: 120px;
    resize: vertical;
}

.form-card textarea:focus {
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.08);
}

/* File Input Custom Wrapper */
.file-upload-wrapper {
    position: relative;
    border: 1px dashed var(--border-normal);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    background: rgba(255, 255, 255, 0.01);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.file-upload-wrapper:hover {
    border-color: var(--color-primary);
    background: rgba(0, 242, 254, 0.02);
}

.file-upload-wrapper input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

.file-upload-icon {
    font-size: 24px;
    color: var(--color-primary);
}

.file-name-preview {
    margin-top: 10px;
    font-size: 13px;
    color: var(--color-success);
    font-weight: 600;
}

/* Attention Points List (Admin) */
.attention-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.attention-item {
    background: rgba(234, 84, 85, 0.04);
    border: 1px solid rgba(234, 84, 85, 0.15);
    border-radius: 16px;
    padding: 16px;
    position: relative;
    transition: var(--transition-smooth);
}

.attention-item:hover {
    border-color: rgba(234, 84, 85, 0.3);
}

.attention-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.attention-ref {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-error);
    background: rgba(234, 84, 85, 0.1);
    padding: 2px 8px;
    border-radius: 50px;
}

.attention-stats {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
}

.attention-stats span {
    color: var(--color-error);
    font-weight: 700;
}

.attention-question {
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-muted);
}

.no-attention {
    text-align: center;
    color: var(--color-success);
    background: rgba(40, 199, 111, 0.05);
    border: 1px dashed rgba(40, 199, 111, 0.2);
    border-radius: 12px;
    padding: 30px 20px;
    font-style: italic;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #0f111c;
    border-left: 4px solid var(--color-primary);
    border-radius: 8px;
    padding: 16px 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 14px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: none;
}

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

.toast.success {
    border-left-color: var(--color-success);
}

.toast.error {
    border-left-color: var(--color-error);
}

/* ==========================================================================
   COMPLETION MEDAL MODAL & NAVIGATION FILTERS ADDITIONS
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(4, 5, 10, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.4s ease-out forwards;
}

.modal-card {
    background: radial-gradient(circle at top, rgba(25, 28, 48, 0.95), rgba(15, 17, 28, 0.98));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px;
    width: 95%;
    max-width: 440px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
    text-align: center;
    position: relative;
    overflow: hidden;
    animation: scaleUp 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes scaleUp {
    from { transform: scale(0.85); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.medal-light-ray {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.14) 0%, transparent 60%);
    z-index: 0;
    pointer-events: none;
    animation: rotateRay 12s infinite linear;
}

@keyframes rotateRay {
    from { transform: translateX(-50%) rotate(0deg); }
    to { transform: translateX(-50%) rotate(360deg); }
}

.medal-visual {
    font-size: 80px;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
    animation: floatMedal 3s infinite ease-in-out;
    filter: drop-shadow(0 0 20px rgba(0, 242, 254, 0.3));
}

@keyframes floatMedal {
    0% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0); }
}

.medal-title {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.medal-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.medal-score-info {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-normal);
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--text-muted);
    position: relative;
    z-index: 1;
}

.medal-score-info strong {
    color: var(--color-primary);
    font-size: 18px;
    font-weight: 800;
}

/* Navigation filters container and buttons */
.sim-filters {
    display: flex;
    gap: 6px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-normal);
    padding: 4px;
    border-radius: 10px;
    margin-bottom: 16px;
}

.filter-btn {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.02);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #0c0e1b;
    box-shadow: 0 2px 10px rgba(0, 242, 254, 0.15);
}

/* Post Manage list styles */
.manage-post-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-normal);
    border-radius: 12px;
    padding: 12px 16px;
    gap: 15px;
    transition: var(--transition-smooth);
}

.manage-post-item:hover {
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
}

.manage-post-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.manage-post-title {
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.manage-post-date {
    font-size: 11px;
    color: var(--text-muted);
}

.btn-delete-post {
    background: none;
    border: 1px solid var(--border-normal);
    color: var(--text-muted);
    border-radius: 8px;
    width: 32px;
    height: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 12px;
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

.btn-delete-post:hover {
    border-color: var(--color-error);
    color: var(--color-error);
    background: var(--color-error-glow);
}

/* ==========================================================================
   SUBJECT SELECTION VIEW STYLES
   ========================================================================== */
.subjects-container {
    max-width: 900px;
    margin: 60px auto;
    text-align: center;
    padding: 0 20px;
}

.subjects-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #fff 30%, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.subjects-subtitle {
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: 40px;
}

.subjects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

@media (max-width: 650px) {
    .subjects-grid {
        grid-template-columns: 1fr;
    }
}

.subject-card-item {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-normal);
    border-radius: 24px;
    padding: 35px 25px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-premium);
}

.subject-card-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 24px;
    border: 1px solid transparent;
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.15), rgba(157, 78, 221, 0.15)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: destination-out;
    mask-composite: exclude;
    pointer-events: none;
}

.subject-card-item:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    border-color: rgba(0, 242, 254, 0.3);
    box-shadow: 0 15px 35px rgba(0, 242, 254, 0.12);
}

.subject-item-icon {
    font-size: 40px;
    margin-bottom: 20px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.subject-card-item:hover .subject-item-icon {
    transform: scale(1.15) rotate(5deg);
}

.subject-item-title {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.subject-item-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
}