@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&family=Roboto+Mono:wght@500&display=swap');

/* ============================================================
   Design tokens
   ============================================================ */
:root {
    --color-bg: #F5F7F8;
    --color-surface: #FFFFFF;
    --color-ink: #000000;
    --color-ink-muted: #5B6B72;
    --color-accent: #B8863B;
    --color-accent-bg: #FBF2E1;
    --color-success: #349966;
    --color-success-bg: #E7F6EE;
    --color-error: #D6564A;
    --color-error-bg: #FBEBE9;
    --color-border: #DCE3E6;

    --font-display: 'Montserrat', sans-serif;
    --font-body: 'Montserrat', sans-serif;
    --font-mono: 'Roboto Mono', monospace;

    --radius: 6px;
    --shadow-card: 0 1px 2px rgba(22, 35, 43, 0.06), 0 4px 16px rgba(22, 35, 43, 0.05);
}

/* ============================================================
   Reset & base
   ============================================================ */
* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin: 0 0 0.5rem;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}
a:hover { text-decoration: underline; }
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================================
   Layout
   ============================================================ */
.page-header {
    padding: 3.5rem 1.5rem 0;
    text-align: center;
}

.page-header .eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 0.4rem;
}

.page-header h1 {
    font-size: 1.6rem;
    color: var(--color-ink);
}

/* Signature element: the Croxario brand mark.
   Same logo (includes/logo-croxario.php) and spacing on every page
   (login/register included). includes/logo-croxario.php renders the
   SVG live in the admin-configured primary color, so a color change
   in the configuration updates the whole site consistently - no
   asset swap needed. */
.brand-mark {
    display: block;
    height: 100px;
    width: auto;
    margin: 0 auto 0.5rem;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1.5rem 0.25rem;
}

.container--narrow {
    max-width: 420px;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: 2rem;
}

/* ============================================================
   Forms
   ============================================================ */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-ink-muted);
    margin-bottom: 0.4rem;
}

.form-group input {
    width: 100%;
    padding: 0.65rem 0.75rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-ink);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color 0.15s ease, background 0.15s ease;
}

.form-group input[type="checkbox"],
.form-group input[type="radio"] {
    width: auto;
}

.form-group input:focus {
    background: var(--color-surface);
    border-color: var(--color-primary);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-block;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    line-height: 1.3;
    padding: 0.7rem 1.4rem;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    white-space: normal; /* Browser setzen bei <button> sonst automatisch nowrap */
    transition: background 0.15s ease, transform 0.05s ease;
}
.btn:hover { text-decoration: none; }

.btn-primary {
    background: var(--color-primary);
    color: #FFFFFF;
    width: 100%;
}
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-primary:active { transform: translateY(1px); }

/* ============================================================
   Alerts
   ============================================================ */
.alert {
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    font-size: 0.92rem;
    margin-bottom: 1.25rem;
    border: 1px solid transparent;
}

.alert-error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border-color: rgba(178, 58, 46, 0.25);
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border-color: rgba(47, 125, 79, 0.25);
}

/* ============================================================
   Helper links / footer text under cards
   ============================================================ */
.helper-links {
    text-align: center;
    margin-top: 1.25rem;
    font-size: 0.9rem;
    color: var(--color-ink-muted);
}

.helper-links a { color: var(--color-primary); }

/* ============================================================
   Dashboard-specific
   ============================================================ */
/* ============================================================
   Admin area
   ============================================================ */
.admin-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin: 1.5rem 0 0;
}

.admin-nav a {
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-ink);
    font-size: 0.88rem;
    font-weight: 500;
}
.admin-nav a.active,
.admin-nav a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    text-decoration: none;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.search-input {
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.95rem;
    min-width: 240px;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

input:disabled,
select:disabled,
textarea:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

input[type="file"]::file-selector-button,
input[type="file"]::-webkit-file-upload-button {
    font-family: var(--font-body);
    font-size: 0.9rem;
    padding: 0.4rem 0.9rem;
    margin-right: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
    color: var(--color-ink);
    cursor: pointer;
}

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

.btn-danger {
    background: var(--color-surface);
    color: var(--color-error);
    border: 1px solid var(--color-error);
    width: auto;
}
.btn-danger:hover { background: var(--color-error-bg); }

.btn-small {
    padding: 0.35rem 0.75rem;
    font-size: 0.82rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

/* Wrapper um jede .data-table: ermöglicht horizontales Scrollen bei
   jeder Displaybreite, sobald die Tabelle (z.B. wegen vieler Buttons
   in der Aktionsspalte) breiter als der verfügbare Platz ist - nicht
   nur auf sehr kleinen Handy-Bildschirmen, sondern auch auf Tablets. */
.table-scroll {
    width: 100%;
    overflow-x: auto;
}

.data-table th,
.data-table td {
    text-align: left;
    padding: 0.7rem 0.9rem;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.92rem;
    vertical-align: middle;
}

.data-table th {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-ink-muted);
    background: var(--color-bg);
    white-space: nowrap;
}

.data-table tr:last-child td { border-bottom: none; }

.sort-arrows {
    display: inline-flex;
    flex-direction: column;
    margin-left: 0.35rem;
    line-height: 0.75;
    vertical-align: middle;
}

.sort-arrow {
    font-size: 0.8rem;
    padding: 0.1rem 0.15rem;
    color: var(--color-border);
    text-decoration: none;
}
.sort-arrow:hover { color: var(--color-primary-dark); text-decoration: none; }
.sort-arrow.active { color: var(--color-primary); }

.row-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: nowrap;
    justify-content: flex-start;
}

.row-actions form { display: flex; }

.btn-fixed {
    width: 108px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    flex: 0 0 auto;
}

.badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-active { background: var(--color-success-bg); color: var(--color-success); }
.badge-inactive { background: var(--color-error-bg); color: var(--color-error); }
.badge-role-user { background: var(--color-success-bg); color: var(--color-success); }
.badge-role-mod { background: var(--color-accent-bg); color: var(--color-accent); }
.badge-role-admin { background: var(--color-error-bg); color: var(--color-error); }
.badge-pending { background: var(--color-accent-bg); color: var(--color-accent); }

.checkbox-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.6rem 0;
}
.checkbox-group label {
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    text-transform: none;
    font-family: var(--font-body);
    font-size: 0.92rem;
    color: var(--color-ink);
}
.checkbox-group input[type="radio"],
.checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.empty-hint {
    color: var(--color-ink-muted);
    font-size: 0.9rem;
    font-style: italic;
}

.drag-handle {
    width: 2rem;
    text-align: center;
    cursor: grab;
    user-select: none;
}
.drag-handle:active { cursor: grabbing; }
tr.dragging { opacity: 0.4; }

.grip-icon {
    display: inline-grid;
    grid-template-columns: repeat(2, 4px);
    grid-template-rows: repeat(3, 4px);
    gap: 3px;
    vertical-align: middle;
}
.grip-icon span {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-ink-muted);
}

/* ============================================================
   Training / practice session
   ============================================================ */
.session-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--color-ink-muted);
}

.flag-toggle {
    display: inline-flex;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    color: var(--color-border);
}
.flag-toggle.is-flagged { color: var(--color-accent); }

.question-text {
    font-size: 1.15rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.answer-options {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    margin-bottom: 1.5rem;
}

.answer-option {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    padding: 0.8rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}
.answer-option:hover { border-color: var(--color-primary); }
.answer-option input { margin-top: 0.2rem; }
.answer-option .answer-letter {
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--color-ink-muted);
}

.answer-option.chosen-correct {
    border-color: var(--color-success);
    background: var(--color-success-bg);
}
.answer-option.chosen-wrong {
    border-color: var(--color-error);
    background: var(--color-error-bg);
}
.answer-option.reveal-correct {
    border-color: var(--color-success);
}

.feedback-banner {
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    font-weight: 600;
    margin-bottom: 1rem;
}
.feedback-banner.correct { background: var(--color-success-bg); color: var(--color-success); }
.feedback-banner.wrong { background: var(--color-error-bg); color: var(--color-error); }

.explanation-box {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem;
    font-size: 0.92rem;
    margin-bottom: 1.5rem;
}
.explanation-box .label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-ink-muted);
    display: block;
    margin-bottom: 0.4rem;
}

.session-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.session-actions form { display: inline; }
.session-actions .btn { width: auto; }

.resume-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}

.exam-progress {
    display: flex;
    position: relative;
    height: 10px;
    border-radius: 999px;
    overflow: visible;
    background: var(--color-border);
    margin-bottom: 1.75rem;
}
.exam-progress .segment {
    flex: 1;
    display: block;
    background: var(--color-border);
    border-right: 1px solid var(--color-surface);
    cursor: pointer;
}
.exam-progress .segment:first-child { border-radius: 999px 0 0 999px; }
.exam-progress .segment:last-child { border-right: none; border-radius: 0 999px 999px 0; }
.exam-progress .segment:hover { filter: brightness(0.9); }
.exam-progress .segment.correct { background: var(--color-success); }
.exam-progress .segment.wrong { background: var(--color-error); }
.exam-progress .segment.answered { background: var(--color-primary); }
.exam-progress-marker {
    position: absolute;
    top: -8px;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--color-ink-muted);
    transform: translateX(-50%);
    pointer-events: none;
}

.pie-legend {
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.92rem;
}
.pie-legend li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}
.pie-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ============================================================
   Dashboard (Startseite)
   ============================================================ */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 0 0 1.5rem;
}
@media (max-width: 620px) {
    .dashboard-grid { grid-template-columns: 1fr; }
}

.dashboard-card {
    display: block;
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: 1.4rem 3rem 1.4rem 1.5rem;
    text-decoration: none;
    color: var(--color-ink);
    transition: border-color 0.15s ease, transform 0.1s ease;
}
.dashboard-card:hover {
    border-color: var(--color-primary);
    text-decoration: none;
    transform: translateY(-2px);
}
.dashboard-card-icon {
    position: absolute;
    top: 1.1rem;
    right: 1.1rem;
    width: 26px;
    height: 26px;
    color: var(--color-primary);
    opacity: 0.85;
}
.dashboard-card-icon svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.dashboard-card-eyebrow {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}
.dashboard-card-title {
    display: block;
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 0.4rem;
}
.dashboard-card-desc {
    display: block;
    font-size: 0.87rem;
    color: var(--color-ink-muted);
    line-height: 1.4;
}

.dashboard-secondary {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
}
.dashboard-secondary a {
    padding: 0.55rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-ink);
}
.dashboard-secondary a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    text-decoration: none;
}

/* ============================================================
   Modal (z.B. Bestätigungsdialog beim Fragenimport)
   ============================================================ */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 1000;
}
.modal-overlay.is-open {
    display: flex;
}
.modal-box {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: 1.75rem;
    max-width: 440px;
    width: 100%;
}
.modal-box h2 {
    margin-top: 0;
    font-size: 1.2rem;
}
.modal-box p {
    color: var(--color-ink-muted);
    font-size: 0.92rem;
    margin-bottom: 0;
}
.modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}
.modal-actions .btn { width: auto; }

/* ============================================================
   Responsive - medium screens (tablets)
   ============================================================ */
@media (max-width: 800px) {
    .row-actions { flex-wrap: wrap; justify-content: center; }
}

/* ============================================================
   Responsive - mobile
   ============================================================ */
@media (max-width: 480px) {
    .container { padding: 1.25rem 1rem 3rem; }
    .card { padding: 1.5rem 1.25rem; }
    .page-header { padding: 1.5rem 1rem 0; }
    .page-header h1 { font-size: 1.35rem; }
}

/* Respect reduced-motion preferences (no motion currently used,
   kept here as a baseline for future additions) */
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
}