/* :root variables are inherited from themes.css */

body {
    background: var(--bg);
    color: var(--text-main);
    font-family: 'Pretendard', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    transition: background 0.3s ease, color 0.3s ease;
}

h1 {
    text-align: center;
    margin: 0 0 8px;
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    margin: 0 0 24px;
    color: var(--text-sub);
    text-align: center;
    font-size: 0.95rem;
    line-height: 1.5;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-bg);
    padding: 12px 16px;
    border-radius: 16px;
    border: 1px solid var(--border);
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
    backdrop-filter: blur(10px);
    flex-wrap: wrap;
    gap: 12px;
}

.student-info {
    display: flex;
    flex-direction: column;
}

.student-name {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-main);
}

#student-code {
    font-size: 0.85rem;
    color: var(--text-sub);
}

.token-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 99px;
    background: rgba(255, 179, 71, 0.15);
    color: #f59f00;
    font-weight: 700;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 179, 71, 0.3);
}

/* Tasks Section */
.tasks-section {
    max-width: 800px;
    margin: 0 auto;
}

.tasks-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding: 0 4px;
}

.tasks-header-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-sub);
    cursor: pointer;
    background: var(--card-bg);
    padding: 6px 12px;
    border-radius: 99px;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.filter-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.task-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.task-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.task-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.06);
    border-color: var(--primary-soft);
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
}

.task-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
}

.task-meta {
    font-size: 0.85rem;
    color: var(--text-sub);
    display: flex;
    align-items: center;
    gap: 8px;
}

.badge {
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-missing {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

.badge-pending {
    background: rgba(245, 159, 0, 0.1);
    color: #f59f00;
}

.badge-confirmed {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.task-detail {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--border);
    display: none;
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.task-desc {
    font-size: 0.95rem;
    color: var(--text-main);
    line-height: 1.6;
    margin-bottom: 12px;
    white-space: pre-wrap;
}

.btn {
    padding: 8px 16px;
    border-radius: 10px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.task-action-btn {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.task-action-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text-main);
}

.btn-secondary:hover {
    background: var(--bg);
    border-color: var(--text-sub);
}

.status-banner {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 10px 16px;
    border-radius: 12px;
    font-size: 0.9rem;
    color: var(--text-sub);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-sub);
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px dashed var(--border);
}

@media (max-width: 600px) {
    .task-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .badge {
        align-self: flex-start;
    }
}