/* ---------------------------------------------------
   Grundlayout
--------------------------------------------------- */

:root {
    --bg: #f4f7fb;
    --surface: #ffffff;
    --surface-strong: #f8fbff;
    --text: #1f2937;
    --text-muted: #667085;
    --border: rgba(148, 163, 184, 0.25);
    --primary: #4a6cf7;
    --primary-dark: #3d5be0;
    --success: #22c55e;
    --danger: #ef4444;
    --shadow-soft: 0 20px 45px rgba(15, 23, 42, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top left, rgba(74, 108, 247, 0.12), transparent 26%),
                radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.08), transparent 22%),
                var(--bg);
    color: var(--text);
    margin: 0;
    min-height: 100vh;
}

html {
    scroll-behavior: smooth;
}

#app {
    max-width: 1080px;
    margin: 0 auto;
    padding: 32px 24px 48px;
}

h1 {
    margin-bottom: 8px;
    font-size: clamp(2rem, 2.6vw, 2.6rem);
}

h3 {
    margin: 0 0 28px;
    color: var(--text-muted);
    font-weight: 500;
}

button,
input,
select {
    font: inherit;
}


/* ---------------------------------------------------
   Tabs
--------------------------------------------------- */

#tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
}

.tab-btn {
    padding: 12px 18px;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text);
    transition: all 160ms ease;
    cursor: pointer;
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--primary);
    color: white;
    border-color: rgba(74, 108, 247, 0.35);
}


/* ---------------------------------------------------
   Search & Upload Panel
--------------------------------------------------- */

#search-panel {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    align-items: center;
}

#search-input {
    flex: 1;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    background: var(--surface);
    color: var(--text);
    font-size: 1rem;
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

#search-input::placeholder {
    color: var(--text-muted);
}

#search-input:focus {
    outline: none;
    border-color: rgba(74, 108, 247, 0.45);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.1);
}


/* ---------------------------------------------------
   Upload Button
--------------------------------------------------- */

#upload-btn {
    padding: 12px 22px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 999px;
    cursor: pointer;
    box-shadow: 0 18px 40px rgba(74, 108, 247, 0.18);
    transition: transform 160ms ease, box-shadow 160ms ease;
    white-space: nowrap;
}

#upload-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 22px 50px rgba(74, 108, 247, 0.24);
}

#upload-panel {
    margin-bottom: 26px;
}


/* ---------------------------------------------------
   Card + Forms
--------------------------------------------------- */

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow-soft);
    padding: 24px;
    margin-bottom: 24px;
}

#upload-options,
#track-table,
#detail-modal {
    border-radius: 24px;
}

#upload-options {
    display: grid;
    gap: 18px;
    padding: 24px;
    border: 1px solid var(--border);
    background: var(--surface);
    margin-top: 16px;
}

.upload-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

label {
    font-weight: 600;
    color: var(--text-muted);
}

input,
select {
    width: 100%;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    background: #f8fbff;
    color: var(--text);
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

input:focus,
select:focus {
    outline: none;
    border-color: rgba(74, 108, 247, 0.45);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.1);
}

#upload-stream-box,
#upload-category-box {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
    gap: 12px;
}

.upload-category-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 18px;
    background: #f7f9ff;
}

.upload-category-group strong {
    color: var(--text);
    font-size: 0.95rem;
}

#upload-hint {
    font-size: 0.95rem;
    color: var(--text-muted);
    padding: 14px 16px;
    background: #f8fbff;
    border-radius: 16px;
    border: 1px solid rgba(74, 108, 247, 0.12);
}

.upload-checkbox,
.category-badge,
.stream-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    background: #f8fbff;
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 16px;
    cursor: pointer;
    transition: transform 120ms ease, border-color 160ms ease, background 160ms ease;
}

.upload-checkbox:hover,
.category-badge:hover,
.stream-badge:hover {
    transform: translateY(-1px);
    border-color: rgba(74, 108, 247, 0.28);
    background: #eef4ff;
}

.upload-checkbox input,
.category-badge input,
.stream-badge input {
    transform: scale(1.15);
    cursor: pointer;
}


/* ---------------------------------------------------
   Track-Tabelle
--------------------------------------------------- */

#track-table {
    overflow-x: auto;
}

#track-table table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}

#track-table th,
#track-table td {
    padding: 16px 18px;
    text-align: left;
    border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

#track-table th {
    font-size: 0.95rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

#track-table tr {
    background: var(--surface);
}

#track-table tr:hover {
    background: #f4f7ff;
}

#track-table tr.hot-row {
    background: #f0fdf4;
}

#track-table tr.hot-row:hover {
    background: #dcfce7;
}

#track-table td {
    color: var(--text);
}

.track-title {
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.track-artist {
    font-size: 0.9rem;
    color: var(--text-muted);
}


/* ---------------------------------------------------
   Modal
--------------------------------------------------- */

#detail-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255,255,255,0.95);
    padding: 26px;
    border-radius: 24px;
    box-shadow: 0 35px 80px rgba(15, 23, 42, 0.15);
    width: min(520px, calc(100vw - 40px));
    z-index: 1000;
    max-height: 92vh;
    overflow-y: auto;
}

#detail-modal.hot-modal {
    background: rgba(240, 253, 244, 0.95);
}

#detail-modal input,
#detail-modal select {
    width: 100%;
    margin-bottom: 12px;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    background: #f8fbff;
}

#modal-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    margin-top: 24px;
}

#modal-buttons button {
    padding: 12px 18px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    transition: transform 120ms ease, box-shadow 120ms ease;
}

#modal-buttons button:hover {
    transform: translateY(-1px);
}

#delete-btn {
    background: var(--danger);
    color: white;
    box-shadow: 0 18px 32px rgba(239, 68, 68, 0.18);
}

#save-btn {
    background: var(--success);
    color: white;
    box-shadow: 0 18px 32px rgba(34, 197, 94, 0.18);
}

#close-btn {
    background: #f8fafc;
    color: var(--text);
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.hidden {
    display: none;
}


/* ---------------------------------------------------
   Stream-Badges
--------------------------------------------------- */

#stream-box {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
    margin-bottom: 12px;
}

.add-stream {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    padding: 12px 14px;
    background: #f4f7ff;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.18);
}

.add-stream input {
    padding: 12px 14px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 16px;
    flex: 1;
    background: white;
}

.add-stream button {
    padding: 12px 16px;
    border-radius: 999px;
    border: none;
    background: var(--primary);
    color: white;
}

.add-stream button:hover {
    background: var(--primary-dark);
}

.stream-badge {
    gap: 10px;
    padding: 14px 18px;
}

/* ---------------------------------------------------
   Planung Seite
--------------------------------------------------- */

#datetime-display {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.datetime-item {
    background: var(--surface);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    text-align: center;
}

.datetime-item label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.datetime-value {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text);
}

/* ---------------------------------------------------
   Feiertage
--------------------------------------------------- */

#holidays-display {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.holiday-item {
    background: var(--surface);
    padding: 16px;
    border-radius: 8px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.holiday-item.upcoming {
    border-color: #22c55e;
    background: rgba(34, 197, 94, 0.05);
}

.holiday-item.today {
    border-color: #f59e0b;
    background: rgba(245, 158, 11, 0.05);
}

.holiday-item.past {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.05);
}

.holiday-name {
    font-weight: 600;
    color: var(--text);
}

.holiday-date {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.holiday-countdown {
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.85rem;
}

.holiday-item.upcoming .holiday-countdown {
    background: #dcfce7;
    color: #166534;
}

.holiday-item.today .holiday-countdown {
    background: #fef3c7;
    color: #92400e;
}

.holiday-item.past .holiday-countdown {
    background: #fef2f2;
    color: #991b1b;
}


/* ---------------------------------------------------
   Kategorie-Badges
--------------------------------------------------- */

#category-box {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 10px;
}

.add-category {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 10px;
    padding: 12px 14px;
    background: #f4f7ff;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.18);
}

.add-category input,
.add-category select {
    padding: 12px 14px;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    background: white;
}

.add-category button {
    padding: 12px 16px;
    border-radius: 999px;
    background: var(--success);
    color: white;
    border: none;
}

.add-category button:hover {
    background: #16a34a;
}

.category-group {
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 18px;
    padding: 18px;
    background: #f8fbff;
}

.category-group h4 {
    margin: 0 0 12px 0;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
}

.category-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.category-badge {
    gap: 10px;
    padding: 12px 16px;
}

.language-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    background: #f8fbff;
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 16px;
    cursor: pointer;
    transition: transform 120ms ease, border-color 160ms ease, background 160ms ease;
}

.language-badge:hover {
    transform: translateY(-1px);
    border-color: rgba(74, 108, 247, 0.28);
    background: #eef4ff;
}

.language-badge input {
    transform: scale(1.15);
    cursor: pointer;
}

#language-box {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
    margin-bottom: 12px;
    margin-top: 12px;
}

#language-box {
    padding: 18px;
    background: #f8fbff;
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
    margin-top: 12px;
}