:root {
    /* Light Theme Tokens */
    --bg-color: #f8fafc;
    --surface-color: rgba(255, 255, 255, 0.7);
    --surface-solid: #ffffff;
    --surface-hover: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --accent-color: #7c3aed;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --danger-bg: #fef2f2;
    --border-color: rgba(15, 23, 42, 0.08);
    /* Refined border */
    --shadow-color: rgba(15, 23, 42, 0.04);
    --glass-border: 1px solid rgba(255, 255, 255, 0.7);
    --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    z-index: 2000;
    transition: top 0.2s;
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 8px 8px;
}

.skip-link:focus {
    top: 0;
}

[data-theme="dark"] {
    --bg-color: #020617;
    --surface-color: rgba(15, 23, 42, 0.8);
    --surface-solid: #0f172a;
    --surface-hover: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --primary-color: #3b82f6;
    --primary-hover: #60a5fa;
    --accent-color: #a78bfa;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --glass-border: 1px solid rgba(255, 255, 255, 0.05);
}

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

[hidden] {
    display: none !important;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    transition: background-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), color 0.4s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
.brand-text,
.nav-btn,
.btn {
    font-family: 'Outfit', sans-serif;
}

/* Utilities */
.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flex-end {
    display: flex;
    justify-content: flex-end;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.gap-1 {
    gap: 1rem;
}

.m-b-1 {
    margin-bottom: 0.75rem;
}

.m-b-2 {
    margin-bottom: 1.5rem;
}

.m-t-1 {
    margin-top: 0.75rem;
}

.m-t-2 {
    margin-top: 1.5rem;
}

.p-b-1 {
    padding-bottom: 1rem;
}

.text-small {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.text-secondary {
    color: var(--text-secondary);
}

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

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

.quick-grade-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: end;
    margin-top: 2rem;
}

.quick-grade-card-inputs {
    background: var(--surface-hover);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.large-input {
    font-size: 2rem !important;
    font-weight: 800 !important;
    height: 80px;
    text-align: center;
    border-radius: 12px !important;
    background: var(--surface-solid) !important;
    box-shadow: 0 4px 12px var(--shadow-color);
}

.medium-input {
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    height: 80px;
    text-align: center;
    border-radius: 12px !important;
    background: var(--surface-solid) !important;
    opacity: 0.9;
}

.huge-input {
    font-size: 2.5rem !important;
    font-weight: 800 !important;
    height: 100px;
    text-align: center;
    border-radius: 16px !important;
    background: var(--surface-solid) !important;
    border: 2px solid var(--primary-color) !important;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.15);
    margin: 1rem 0;
}

.btn.huge {
    padding: 1.5rem 2.5rem;
    font-size: 1.25rem;
    border-radius: 16px;
}

.info-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary-color);
    padding: 0.75rem 1rem;
    border-radius: 10px;
    margin-top: 1rem;
    font-weight: 500;
}

/* Buttons */
.btn {
    padding: 0.6rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn.primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn.primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

.btn.secondary {
    background-color: var(--surface-hover);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn.ghost {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid transparent;
}

.btn.ghost:hover {
    color: var(--text-primary);
    background-color: var(--surface-hover);
}

.btn.danger {
    background-color: var(--danger-bg);
    color: var(--danger-color);
}

.btn.danger:hover {
    background-color: var(--danger-color);
    color: white;
}

.btn.small {
    padding: 0.25rem 0.6rem;
    font-size: 0.8rem;
}

.full-width {
    width: 100%;
}

/* Navigation */
.app-header {
    background-color: var(--surface-solid);
    height: 72px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-inner {
    width: 100%;
    max-width: 1200px;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.app-header.glass {
    background: var(--surface-color);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 4px var(--shadow-color);
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.brand-link:hover {
    opacity: 0.8;
}

.brand-logo {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    object-fit: contain;
    background: white;
    padding: 2px;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.brand-text {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

[data-theme="light"] .brand-text {
    color: var(--primary-color);
}

@media (max-width: 480px) {
    .brand-logo {
        width: 32px;
        height: 32px;
    }

    .brand-text {
        font-size: 1.25rem;
    }

    .header-inner {
        padding: 0 1rem;
    }

    .app-header {
        height: 64px;
    }
}

.app-nav {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.nav-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-btn:hover {
    color: var(--text-primary);
    background-color: var(--surface-hover);
}

.nav-btn.active {
    color: var(--primary-color);
    background-color: rgba(37, 99, 235, 0.08);
}

.nav-btn.icon-btn {
    padding: 0.5rem;
    min-width: 40px;
    font-size: 1.1rem;
}

/* Layouts */
.app-main {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.view {
    display: none;
    animation: fadeIn 0.3s ease-out forwards;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.layout-sidebar {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 1050px) {
    .layout-sidebar {
        grid-template-columns: 1fr;
    }

    .sidebar .sticky {
        position: static;
    }
}

/* Cards */
.card {
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 20px 40px -10px var(--shadow-color);
}

.glass {
    background: var(--surface-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: var(--glass-border);
}

.sticky {
    position: sticky;
    top: 6rem;
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    font-weight: 600;
    font-size: 0.825rem;
    /* Slightly smaller for cleaner look */
    margin-bottom: 0.6rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

input[type="text"],
input[type="number"],
input[type="search"],
select,
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--surface-solid);
    color: var(--text-primary);
    transition: all 0.2s;
    font-family: inherit;
}

textarea {
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

input.h2-input {
    font-size: 1.75rem;
    font-weight: 800;
    border: none;
    background: transparent;
    padding: 0.25rem 0;
    color: var(--text-primary);
    border-bottom: 3px solid transparent;
    border-radius: 0;
    transition: border-color 0.3s;
    letter-spacing: -0.025em;
}

input.h2-input:focus {
    box-shadow: none;
    border-bottom-color: var(--primary-color);
}

input.large-input {
    font-size: 1.5rem;
    font-weight: 700;
    padding: 1rem;
}

/* Items List (Kriterien) */
.item-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.list-item {
    background-color: var(--surface-solid);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: box-shadow 0.2s;
}

.list-item:hover {
    box-shadow: 0 4px 12px var(--shadow-color);
}

.list-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.item-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.item-type-badge {
    background-color: var(--surface-hover);
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
}

/* Criteria Editor Form Row */
.criteria-editor-toolbar,
.evaluation-list-toolbar,
.student-list-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--surface-hover);
}

.toolbar-search {
    flex: 0 1 340px;
    margin: 0;
}

.toolbar-search span {
    display: block;
    margin-bottom: 0.35rem;
}

.editor-card-label {
    color: var(--primary-color);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.editor-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: 1rem;
    align-items: center;
    background-color: var(--surface-hover);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

@media (max-width: 800px) {
    .editor-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
}

/* Evaluation Row Inputs */
.eval-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.eval-info {
    flex: 1;
}

.eval-input-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 140px;
    justify-content: flex-end;
}

.eval-input-group input[type="number"] {
    width: 80px;
    text-align: center;
    font-weight: 600;
    font-size: 1.1rem;
}

/* Checkbar / Toggle Style */
.toggle-btn {
    background-color: var(--surface-hover);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
}

.toggle-btn.active {
    background-color: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.toggle-btn.failed {
    background-color: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

/* Results Display */
.result-display {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.result-display.column {
    flex-direction: column;
    gap: 1rem;
}

.result-item {
    display: flex;
    flex-direction: column;
}

.result-display.column .result-item {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

.result-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.result-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
}

.result-value.medium {
    font-size: 1.5rem;
}

.result-value.large {
    font-size: 3rem;
    line-height: 1;
}

.result-value.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.status-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9rem;
    text-align: center;
    margin-top: 0.5rem;
}

.status-badge.pass {
    background-color: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.status-badge.fail {
    background-color: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.action-stack {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1200;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
    animation: fadeInModal 0.2s ease-out;
}

.modal-content {
    width: 90%;
    max-width: 500px;
}

.ai-criteria-modal-content {
    width: min(1100px, calc(100% - 2rem));
    max-width: 1100px;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
}

.ai-modal-heading {
    align-items: flex-start;
}

.ai-privacy-notice {
    margin: 1.25rem 0;
    padding: 1rem 1.1rem;
    border: 1px solid rgba(217, 119, 6, 0.25);
    border-left: 4px solid #d97706;
    border-radius: 12px;
    background: rgba(217, 119, 6, 0.08);
}

.ai-privacy-notice p {
    margin-top: 0.3rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

.ai-workflow-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1rem;
}

.ai-step-card {
    min-width: 0;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: var(--surface-solid);
}

.ai-step-title {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    margin-bottom: 0.9rem;
}

.ai-step-title > span {
    display: grid;
    place-items: center;
    flex: 0 0 2rem;
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    background: var(--primary-color);
    color: white;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
}

.code-textarea {
    min-height: 220px;
    resize: vertical;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.78rem;
    line-height: 1.5;
    white-space: pre;
}

.ai-import-preview {
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid rgba(37, 99, 235, 0.25);
    border-radius: 14px;
    background: rgba(37, 99, 235, 0.04);
}

.ai-preview-heading {
    align-items: flex-start;
}

.ai-preview-warnings {
    margin-top: 0.85rem;
    padding: 0.85rem;
    border-radius: 10px;
    background: rgba(217, 119, 6, 0.09);
    color: var(--text-secondary);
    font-size: 0.82rem;
}

.ai-preview-warnings ul {
    margin: 0.4rem 0 0 1.2rem;
}

.ai-preview-list {
    display: grid;
    gap: 0.55rem;
    max-height: 330px;
    margin-top: 0.85rem;
    padding-right: 0.3rem;
    overflow-y: auto;
}

.ai-preview-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--surface-solid);
}

.ai-preview-item p {
    margin-top: 0.25rem;
    color: var(--text-secondary);
    font-size: 0.78rem;
    line-height: 1.45;
}

.ai-preview-item > span {
    flex: none;
    color: var(--primary-color);
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
}

@keyframes fadeInModal {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Meeting Mode */
.focus-mode {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem;
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background-color: var(--surface-hover);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background-color: var(--primary-color);
    width: 0%;
    transition: width 0.3s ease;
}

.self-assessment-box {
    background-color: rgba(124, 58, 237, 0.05);
    border: 1px dashed var(--accent-color);
    padding: 1.5rem;
    border-radius: 12px;
}

.teacher-assessment-box {
    background-color: var(--surface-hover);
    padding: 1.5rem;
    border-radius: 12px;
}

.meeting-controls {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Verlauf & Statistik */
.history-dashboard {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(330px, 0.85fr);
    gap: 2rem;
    align-items: start;
}

.stats-card,
.history-card {
    min-width: 0;
}

.history-card .header-wrap,
.history-card .data-tools {
    align-items: stretch;
    flex-direction: column;
    gap: 0.8rem;
}

.history-card #history-search {
    max-width: none !important;
}

.history-card .header-wrap .btn {
    align-self: flex-start;
}

.history-card .data-tools .flex-end {
    justify-content: flex-start;
}

.stats-heading,
.stats-section-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.stats-privacy-badge {
    flex: none;
    padding: 0.4rem 0.7rem;
    border-radius: 999px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

.stats-filter-group {
    margin-top: 1.5rem;
}

.stats-scope-note {
    margin-top: 0.55rem;
    line-height: 1.45;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.75rem;
}

.stat-box {
    background-color: var(--surface-solid);
    padding: 0.9rem 0.65rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.editor-description {
    margin-top: 0.15rem;
}

.editor-description textarea {
    min-height: 74px;
}

.empty-filter-result {
    padding: 1.25rem;
    border: 1px dashed var(--border-color);
    border-radius: 12px;
    text-align: center;
}

.stat-value {
    font-family: 'Outfit', sans-serif;
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.stats-section {
    margin-top: 2rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--border-color);
}

.stats-section h3 {
    margin-bottom: 0.25rem;
}

.chart-container {
    position: relative;
    height: 260px;
    width: 100%;
    margin-top: 1.25rem;
}

.chart-container.is-comparison {
    height: 290px;
}

.chart-fallback {
    display: grid;
    place-items: center;
    height: 100%;
    padding: 1.5rem;
    border: 1px dashed var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    text-align: center;
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
    margin-top: 1rem;
}

.insight-card {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-left-width: 4px;
    border-radius: 12px;
    background: var(--surface-solid);
}

.insight-card h4 {
    margin-bottom: 0.35rem;
    font-size: 0.98rem;
}

.insight-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

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

.insight-attention {
    border-left-color: #d97706;
}

.insight-info {
    border-left-color: var(--primary-color);
}

.compact-select {
    flex: 0 0 190px;
    margin: 0;
}

.compact-select span {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--text-secondary);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.compact-select select {
    padding: 0.55rem 0.7rem;
    font-size: 0.82rem;
}

.criteria-stats-list,
.exam-comparison-list {
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
}

.criterion-stat-card {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--surface-solid);
}

.criterion-stat-top,
.criterion-stat-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.criterion-stat-title {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    min-width: 0;
}

.criterion-stat-title > span {
    display: grid;
    place-items: center;
    flex: 0 0 1.75rem;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 8px;
    background: var(--surface-hover);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 800;
}

.criterion-stat-title strong {
    overflow-wrap: anywhere;
}

.criterion-stat-result {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex: none;
}

.criterion-stat-result > strong {
    min-width: 3.1rem;
    text-align: right;
    font-size: 1.15rem;
}

.criterion-status {
    padding: 0.28rem 0.5rem;
    border-radius: 999px;
    background: var(--surface-hover);
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 700;
}

.criterion-stat-track {
    height: 8px;
    margin: 0.85rem 0 0.7rem;
    overflow: hidden;
    border-radius: 999px;
    background: var(--surface-hover);
}

.criterion-stat-fill {
    height: 100%;
    border-radius: inherit;
    background: var(--primary-color);
}

.criterion-strong .criterion-stat-fill,
.criterion-strong .criterion-status {
    background: var(--success-color);
    color: white;
}

.criterion-weak .criterion-stat-fill,
.criterion-weak .criterion-status {
    background: #d97706;
    color: white;
}

.criterion-stat-meta {
    align-items: flex-start;
    flex-wrap: wrap;
    color: var(--text-secondary);
    font-size: 0.77rem;
    line-height: 1.45;
}

.exam-comparison-row {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--surface-solid);
    color: var(--text-primary);
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.exam-comparison-row:hover,
.exam-comparison-row:focus-visible {
    border-color: var(--primary-color);
    box-shadow: 0 6px 18px var(--shadow-color);
    transform: translateY(-1px);
    outline: none;
}

.exam-comparison-info {
    display: grid;
    gap: 0.25rem;
    min-width: 0;
}

.exam-comparison-info strong {
    overflow-wrap: anywhere;
}

.exam-comparison-info > span {
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.exam-comparison-metrics {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: none;
}

.exam-comparison-metrics > span:not(.exam-open) {
    display: grid;
    gap: 0.15rem;
    min-width: 70px;
}

.exam-comparison-metrics small {
    color: var(--text-secondary);
    font-size: 0.68rem;
}

.exam-comparison-metrics strong {
    color: var(--primary-color);
}

.exam-open {
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 700;
}

.self-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
}

.self-stat-item {
    display: grid;
    gap: 0.3rem;
    padding: 0.85rem;
    border-radius: 10px;
    background: rgba(124, 58, 237, 0.07);
    border: 1px solid rgba(124, 58, 237, 0.13);
}

.self-stat-item span {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.self-stat-item strong {
    color: var(--accent-color);
    font-size: 1.15rem;
}

.self-stats-note {
    grid-column: 1 / -1;
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.5;
}

@media (max-width: 1050px) {
    .history-dashboard {
        grid-template-columns: 1fr;
    }

    .history-card {
        order: 2;
    }
}

@media (max-width: 720px) {
    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .stats-grid .stat-box:first-child {
        grid-column: 1 / -1;
    }

    .insights-grid,
    .self-stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .stats-heading,
    .stats-section-heading,
    .exam-comparison-row {
        align-items: stretch;
        flex-direction: column;
    }

    .compact-select {
        flex-basis: auto;
        width: 100%;
    }

    .exam-comparison-metrics {
        justify-content: space-between;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .stats-privacy-badge {
        align-self: flex-start;
    }

    .insights-grid,
    .self-stats-grid {
        grid-template-columns: 1fr;
    }

    .criterion-stat-top {
        align-items: flex-start;
        flex-direction: column;
    }

    .criterion-stat-result {
        width: 100%;
        justify-content: space-between;
        padding-left: 2.45rem;
    }

    .chart-container,
    .chart-container.is-comparison {
        height: 240px;
    }
}

/* Toast Notifications */
.toast-region {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 360px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--surface-solid);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 8px 24px var(--shadow-color);
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
}

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

.toast-hiding {
    opacity: 0;
    transform: translateX(100%);
}

.toast-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.toast-success .toast-icon {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}

.toast-error .toast-icon {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.toast-info .toast-icon {
    background: rgba(37, 99, 235, 0.15);
    color: #2563eb;
}

.toast-message {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.toast-close:hover {
    opacity: 1;
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    background: var(--surface-hover);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 1rem;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s;
    align-items: center;
    gap: 0.75rem;
}

.nav-toggle-icon {
    display: block;
    width: 20px;
    height: 2px;
    background: currentColor;
    position: relative;
    transition: background 0.3s;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background: currentColor;
    left: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.6, 0.32, 1.6);
}

.nav-toggle-icon::before {
    top: -6px;
}

.nav-toggle-icon::after {
    bottom: -6px;
}

.nav-toggle.active .nav-toggle-icon {
    background: transparent;
}

.nav-toggle.active .nav-toggle-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle.active .nav-toggle-icon::after {
    transform: rotate(-45deg);
    bottom: 0;
}

@media (max-width: 992px) {
    .nav-toggle {
        display: flex;
    }

    .app-nav {
        display: none;
        position: absolute;
        top: calc(100% + 1rem);
        left: 1rem;
        right: 1rem;
        background: var(--surface-solid);
        flex-direction: column;
        padding: 0.75rem;
        box-shadow: 0 10px 40px var(--shadow-color);
        border: 1px solid var(--border-color);
        border-radius: 16px;
        animation: slideDown 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
        transform-origin: top center;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px) scale(0.98);
        }

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

    .app-nav.nav-open {
        display: flex;
    }

    .nav-btn {
        width: 100%;
        text-align: left;
        padding: 0.85rem 1.25rem;
        font-size: 1rem;
    }
}

/* Focus Visible for Keyboard Navigation */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus-visible,
.nav-btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.toggle-btn:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Better delete button styling */
.btn-delete {
    background: var(--danger-bg);
    color: var(--danger-color);
    border: 1px solid transparent;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.btn-delete:hover {
    background: var(--danger-color);
    color: white;
}

/* Input validation states */
input.valid,
select.valid,
textarea.valid {
    border-color: var(--success-color);
}

input.invalid,
select.invalid,
textarea.invalid {
    border-color: var(--danger-color);
    background-color: var(--danger-bg);
}/* Student Switcher */
.student-switcher {
    display: flex;
    align-items: center;
    background: var(--surface-solid);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px var(--shadow-color);
    margin: 0.5rem 0;
}

.nav-arrow {
    background: var(--surface-hover);
    border: none;
    color: var(--primary-color);
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-arrow:hover {
    background: var(--primary-color);
    color: white;
}

.nav-arrow:disabled {
    background: var(--surface-hover);
    color: var(--text-secondary);
    opacity: 0.5;
    cursor: not-allowed;
}

.switcher-input {
    flex: 1;
    border: none !important;
    text-align: center;
    font-weight: 700;
    font-size: 1.25rem;
    height: 60px;
    background: transparent !important;
}

/* Student Status List */
.student-status-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
    max-height: 430px;
    padding-right: 0.25rem;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.student-list-toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(150px, 0.45fr);
    padding: 0;
    border: 0;
    background: transparent;
}

.student-list-toolbar input,
.student-list-toolbar select {
    min-width: 0;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--surface-solid);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.status-item:hover {
    border-color: var(--primary-color);
    transform: translateX(6px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.status-item.active {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.08);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.1);
}

.status-item.done {
    border-color: var(--success-color);
}

.status-name {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-primary);
}

.status-badge-small {
    padding: 0.35rem 0.75rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 800;
}

.status-badge-small.pending {
    background: var(--surface-hover);
    color: var(--text-secondary);
}

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

/* Announcement at end */
.meeting-next-announcement {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(124, 58, 237, 0.1));
    border: 2px dashed var(--primary-color);
    padding: 2.5rem;
    border-radius: 24px;
    margin: 2rem 0;
    animation: pulseAnnouncement 3s infinite ease-in-out;
}

.announcement-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.announcement-name {
    font-size: 3rem;
    font-weight: 950;
    color: var(--primary-color);
    letter-spacing: -0.04em;
    line-height: 1.1;
}

@keyframes pulseAnnouncement {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
    }

    50% {
        transform: scale(1.02);
        box-shadow: 0 10px 40px rgba(37, 99, 235, 0.1);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
    }
}

.meeting-done-grade {
    font-size: 5rem;
    font-weight: 950;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 2rem;
    line-height: 1;
}

/* Safety-focused evaluation UX */
.header-actions,
.wrap-row,
.view-actions {
    flex-wrap: wrap;
}

.save-status {
    color: var(--text-secondary);
    font-size: 0.82rem;
    margin-top: 0.25rem;
}

.save-status.is-saving {
    color: var(--primary-color);
}

.save-status.is-saved {
    color: var(--success-color);
}

.save-status.is-error {
    color: var(--danger-color);
    font-weight: 700;
}

.criterion-assessment-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(230px, auto);
    gap: 1rem;
    align-items: center;
}

.evaluation-list-toolbar {
    position: sticky;
    top: 5.6rem;
    z-index: 20;
    box-shadow: 0 8px 18px var(--shadow-color);
}

.evaluation-toolbar-controls {
    display: grid;
    grid-template-columns: minmax(170px, 1fr) minmax(145px, auto) auto;
    gap: 0.6rem;
    align-items: center;
    flex: 1 1 520px;
}

.compact-toggle {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-solid);
    color: var(--text-secondary);
    font-size: 0.78rem;
    letter-spacing: 0;
    text-transform: none;
    white-space: nowrap;
}

.compact-toggle input {
    accent-color: var(--primary-color);
}

.evaluation-criterion-number {
    display: inline-grid;
    place-items: center;
    float: left;
    width: 1.7rem;
    height: 1.7rem;
    margin: 0 0.55rem 0.3rem 0;
    border-radius: 7px;
    background: var(--surface-hover);
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 800;
}

.criterion-description {
    clear: both;
    margin-top: 0.55rem;
    color: var(--text-secondary);
    font-size: 0.82rem;
    line-height: 1.5;
    white-space: pre-line;
}

#eval-criteria-list.is-compact {
    gap: 0.55rem;
}

#eval-criteria-list.is-compact .list-item {
    padding: 0.75rem 0.9rem;
}

#eval-criteria-list.is-compact .criterion-comment,
#eval-criteria-list.is-compact .criterion-description,
#eval-criteria-list.is-compact .eval-info .text-small {
    display: none;
}

#eval-criteria-list.is-compact .assessment-field {
    padding: 0.5rem;
}

.assessment-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    align-items: stretch;
}

.assessment-field {
    min-width: 0;
    padding: 0.75rem;
    border-radius: 10px;
    background: var(--surface-hover);
    border: 1px solid var(--border-color);
}

.assessment-field.self-field {
    background: transparent;
    border-style: dashed;
    opacity: 0.82;
}

.assessment-field label {
    text-transform: none;
    letter-spacing: 0;
    margin-bottom: 0.35rem;
}

.assessment-field .eval-input-group {
    min-width: 0;
}

.assessment-field input[type="number"] {
    width: 86px;
}

.criterion-comment {
    margin-top: 0.85rem;
}

.criterion-comment label {
    text-transform: none;
    letter-spacing: 0;
}

.toggle-btn.neutral {
    background: var(--surface-solid);
    border: 1px dashed var(--text-secondary);
    color: var(--text-secondary);
}

.toggle-btn.subtle {
    padding: 0.55rem 0.8rem;
    font-size: 0.85rem;
}

.completion-panel {
    padding: 1rem 1.1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--surface-hover);
}

.completion-heading {
    margin-bottom: 0.7rem;
    gap: 1rem;
}

.completion-panel .progress-bar-container {
    height: 6px;
}

.self-summary {
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    margin: 0.5rem 0 1rem;
    color: var(--text-secondary);
}

.self-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
}

.self-summary-row strong {
    color: var(--accent-color);
    font-size: 1.35rem;
}

.self-gap {
    font-size: 0.85rem;
    margin-top: 0.35rem;
}

.self-method-hint {
    margin-top: 0.35rem;
    opacity: 0.78;
    font-size: 0.72rem;
}

.self-gap.gap-close {
    color: var(--success-color);
}

.self-gap.gap-medium {
    color: #b7791f;
}

.self-gap.gap-large {
    color: var(--danger-color);
    font-weight: 700;
}

.meeting-self-result,
.meeting-gap-result {
    display: block;
    margin-top: 0.2rem;
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.meeting-done-comparison {
    color: var(--text-secondary);
    margin: -1rem 0 2rem;
}

.data-tools {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--surface-hover);
}

.review-modal-content {
    max-width: 620px;
}

.review-summary {
    display: grid;
    gap: 0.75rem;
}

.review-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 0.65rem;
    border-bottom: 1px solid var(--border-color);
}

.review-warning {
    padding: 0.85rem;
    border-radius: 10px;
    background: var(--danger-bg);
    color: var(--danger-color);
    font-weight: 700;
}

.toast-action {
    border: 0;
    border-radius: 6px;
    background: var(--primary-color);
    color: white;
    padding: 0.4rem 0.65rem;
    cursor: pointer;
    font-weight: 700;
}

.btn:disabled,
.toggle-btn:disabled {
    opacity: 0.48;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.history-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.5rem;
}

.duplicate-hint {
    color: #b7791f;
    font-size: 0.78rem;
    margin-left: 0.4rem;
}

@media (max-width: 800px) {
    .card,
    .focus-mode {
        padding: 1.35rem;
        border-radius: 16px;
    }

    .header-wrap {
        align-items: stretch;
        flex-direction: column;
        gap: 1rem;
    }

    .header-actions {
        width: 100%;
        justify-content: stretch;
    }

    .header-actions .btn {
        flex: 1 1 140px;
    }

    .criterion-assessment-grid {
        grid-template-columns: 1fr;
    }

    .assessment-inputs {
        grid-template-columns: 1fr 1fr;
    }

    .data-tools {
        align-items: stretch;
        flex-direction: column;
    }

    .data-tools .flex-end {
        justify-content: flex-start;
    }

    .meeting-controls {
        align-items: stretch;
    }

    .live-meeting-result {
        text-align: center;
        order: -1;
    }
}

@media (max-width: 480px) {
    .app-main {
        margin: 1rem auto;
        padding: 0 0.75rem;
    }

    .quick-grade-grid,
    .assessment-inputs {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .quick-grade-card-inputs {
        padding: 1rem;
    }

    .result-value.large {
        font-size: 2.4rem;
    }

    .announcement-name {
        font-size: 2.1rem;
    }

    .modal-content {
        width: calc(100% - 1rem);
        max-height: calc(100vh - 1rem);
        overflow-y: auto;
    }
}

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

    .criteria-editor-toolbar,
    .evaluation-list-toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    .toolbar-search,
    .evaluation-toolbar-controls {
        flex-basis: auto;
        width: 100%;
    }
}

@media (max-width: 600px) {
    .ai-criteria-modal-content {
        width: calc(100% - 0.75rem);
        max-height: calc(100vh - 0.75rem);
        padding: 1rem;
    }

    .ai-modal-heading,
    .ai-preview-heading,
    .ai-preview-item {
        align-items: stretch;
        flex-direction: column;
    }

    .ai-preview-item > span {
        white-space: normal;
    }

    .student-list-toolbar,
    .evaluation-toolbar-controls {
        grid-template-columns: 1fr;
    }

    .evaluation-list-toolbar {
        top: 4.4rem;
    }
}