* {
    box-sizing: border-box;
}

:root {
    /* Base Colors - Red (Default) */
    --accent-color: #ff5252;
    --accent-hover: #ff7b7b;
}

[data-color="blue"] {
    --accent-color: #38bdf8;
    --accent-hover: #7dd3fc;
}

[data-color="chocolate"] {
    --accent-color: #d97706;
    --accent-hover: #f59e0b;
}

/* Base Modes - Dark (Default) */
:root {
    --bg-color: #1a1a1a;
    --container-bg: #2d2d2d;
    --text-color: #e0e0e0;
    --border-color: #404040;
    --input-bg: #3d3d3d;
}

[data-color="chocolate"]:root,
[data-color="chocolate"][data-mode="dark"] {
    --bg-color: #2b1d1d;
    --container-bg: #3d2b1f;
    --input-bg: #4a3728;
}

[data-mode="light"] {
    --bg-color: #f8fafc;
    --container-bg: #ffffff;
    --text-color: #1e293b;
    --border-color: #e2e8f0;
    --input-bg: #f1f5f9;
}

[data-mode="light"][data-color="chocolate"] {
    --bg-color: #fffaf0;
    --container-bg: #fffbf1;
    --text-color: #43302b;
    --accent-color: #92400e;
    --accent-hover: #b45309;
    --border-color: #ebd9c6;
    --input-bg: #fdf5e6;
}

[data-mode="paper"] {
    --bg-color: #e8e4d9;
    --container-bg: #fdfcf0;
    --text-color: #2c3e50;
    --accent-color: #34495e;
    --accent-hover: #1abc9c;
    --border-color: #dcdde1;
    --input-bg: #fffef5;
}

body[data-mode="paper"] {
    font-family: "Georgia", "Times New Roman", serif;
}

body[data-mode="paper"] .container {
    box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.05), 10px 10px 0 rgba(0, 0, 0, 0.02);
    border: 1px solid #d1d1d1;
}

body[data-mode="paper"] .card {
    background-color: #fffef9;
    background-image: radial-gradient(#d1d1d1 0.5px, transparent 0.5px);
    background-size: 20px 20px;
    border: 1px solid #e0e0e0;
    border-left: 5px solid #34495e;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.05);
}

body[data-mode="paper"] button {
    border-radius: 2px;
    box-shadow: 2px 2px 0 rgba(0,0,0,0.1);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.8rem;
}

body[data-mode="paper"] input, body[data-mode="paper"] textarea {
    border: none;
    border-bottom: 1px dashed #bdc3c7;
    background-color: transparent;
    border-radius: 0;
}

body[data-mode="paper"] input:focus, body[data-mode="paper"] textarea:focus {
    border-bottom: 1px solid var(--accent-color);
}

body[data-mode="paper"] .nav-btn.active {
    background-color: transparent;
    color: var(--text-color);
    border-bottom: 2px solid var(--accent-color);
    border-radius: 0;
}

body[data-mode="paper"] .timer-display {
    background: #f1f2f6;
    border: 1px solid #dfe4ea;
    color: #2f3542;
}

[data-mode="cyber"] {
    --bg-color: #0b0e14;
    --container-bg: #0f121a;
    --text-color: #00ff9f;
    --accent-color: #ff003c;
    --accent-hover: #ff0055;
    --border-color: #323232;
    --input-bg: #1a1f29;
}

body[data-mode="cyber"] {
    font-family: "Courier New", Courier, monospace;
    text-shadow: 0 0 5px rgba(0, 255, 159, 0.5);
}

body[data-mode="cyber"] .container {
    background-color: var(--container-bg);
    border: 2px solid var(--accent-color);
    box-shadow: 0 0 20px rgba(255, 0, 60, 0.2), inset 0 0 10px rgba(255, 0, 60, 0.1);
    clip-path: polygon(0 0, 98% 0, 100% 2%, 100% 100%, 2% 100%, 0 98%);
}

body[data-mode="cyber"] .card {
    background-color: rgba(26, 31, 41, 0.8);
    border: 1px solid #00ff9f;
    border-left: 10px solid var(--accent-color);
    box-shadow: 5px 5px 0px #00ff9f;
    position: relative;
    overflow: hidden;
}

body[data-mode="cyber"] .card::after {
    content: "SYSTEM_ACTIVE";
    position: absolute;
    top: 2px;
    right: 5px;
    font-size: 0.5rem;
    color: var(--accent-color);
    opacity: 0.5;
}

body[data-mode="cyber"] button {
    background-color: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    text-transform: uppercase;
    font-style: italic;
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
    transition: all 0.2s;
}

body[data-mode="cyber"] button:hover {
    background-color: var(--accent-color);
    color: #000;
    box-shadow: 0 0 15px var(--accent-color);
}

body[data-mode="cyber"] .nav-btn.active {
    background-color: var(--accent-color);
    color: white;
    box-shadow: 0 0 10px var(--accent-color);
}

body[data-mode="cyber"] input, body[data-mode="cyber"] textarea {
    background-color: #0b0e14;
    border: 1px solid #00ff9f;
    color: #00ff9f;
    box-shadow: inset 0 0 5px rgba(0, 255, 159, 0.2);
}

body[data-mode="cyber"] .timer-display {
    background: transparent;
    border: 2px solid #00ff9f;
    color: #00ff9f;
    font-size: 1.5rem;
    text-shadow: 0 0 10px #00ff9f;
}

body[data-mode="cyber"] h1, body[data-mode="cyber"] h2 {
    color: #fcee0a;
    text-transform: uppercase;
    letter-spacing: 4px;
    text-shadow: 2px 2px 0px var(--accent-color);
}

[data-mode="terminal"] {
    --bg-color: #000000;
    --container-bg: #000000;
    --text-color: #00ff00;
    --accent-color: #00ff00;
    --accent-hover: #00cc00;
    --border-color: #00ff00;
    --input-bg: #000000;
}

body[data-mode="terminal"] {
    font-family: "Courier New", Courier, monospace;
    background-image: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    background-size: 100% 2px, 3px 100%;
}

body[data-mode="terminal"] .container {
    border: 1px solid #00ff00;
    box-shadow: 0 0 10px #00ff00;
    border-radius: 0;
}

body[data-mode="terminal"] .card {
    border: 1px solid #00ff00;
    background-color: #000;
    border-radius: 0;
    box-shadow: none;
}

body[data-mode="terminal"] h1::before, body[data-mode="terminal"] h2::before {
    content: "> ";
}

body[data-mode="terminal"] button {
    background-color: #000;
    color: #00ff00;
    border: 1px solid #00ff00;
    border-radius: 0;
    text-transform: uppercase;
}

body[data-mode="terminal"] button:hover {
    background-color: #00ff00;
    color: #000;
}

body[data-mode="terminal"] button.active {
    background-color: #00ff00;
    color: #000;
}

body[data-mode="terminal"] input, body[data-mode="terminal"] textarea {
    border: 1px solid #00ff00;
    background-color: #000;
    color: #00ff00;
    border-radius: 0;
}

body[data-mode="terminal"] .timer-display {
    background: transparent;
    color: #00ff00;
    border: 1px solid #00ff00;
}

.animate-in {
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}
body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 2rem 1rem;
    line-height: 1.6;
}
h1,
h2 {
    color: var(--accent-color);
    text-align: center;
}
.container {
    background-color: var(--container-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    margin: 0 auto 2rem auto;
    max-width: 900px;
    transition: max-width 0.3s ease;
}

.container.wide-layout {
    max-width: 1400px;
}
.card {
    background-color: var(--input-bg);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid var(--accent-color);
}
input {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.75rem;
    border-radius: 6px;
    font-size: 1rem;
    outline: none;
}
input:focus {
    border-color: var(--accent-color);
}

input.validation-error {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 1px var(--accent-color);
}

/* Accessibility & Keyboard Navigation */
:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

[role="button"]:focus {
    outline: none;
}

[role="button"]:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: -2px;
}
button {
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    transition:
        background-color 0.2s,
        transform 0.1s;
}
button:hover {
    background-color: var(--accent-hover);
}
button:active {
    transform: scale(0.98);
}
button:disabled {
    background-color: var(--border-color);
    cursor: not-allowed;
}
.flex {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}
.justify-center {
    justify-content: center;
}
/* Ergänzt die aus dem Pomodoro-Timer übernommenen Utilities: beide Klassen
   werden im Markup verwendet, waren dort aber nie definiert. */
.justify-end {
    justify-content: flex-end;
}
.justify-between {
    justify-content: space-between;
}
.items-center {
    align-items: center;
}
ul {
    list-style: none;
    padding: 0;
}
li {
    margin-bottom: 0.75rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
}
.status-msg {
    margin-top: 1rem;
    text-align: center;
    font-weight: bold;
}
.timer-display {
    font-family: "Courier New", Courier, monospace;
    font-weight: bold;
    color: var(--accent-color);
    background: rgba(255, 82, 82, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    margin-left: 0.5rem;
}

/* Expandable Section */
.expand-btn {
    width: 100%;
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    margin-bottom: 0.5rem;
}
.expand-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
}
.expand-content {
    display: none;
    margin-top: 1rem;
}
.expand-content.open {
    display: block;
}

/* Table Styles */
.table-container {
    width: 100%;
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
th,
td {
    text-align: left;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}
th {
    color: var(--accent-color);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}
.text-nowrap {
    white-space: nowrap;
}

/* State Tags */
.state-tag {
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: bold;
    text-transform: uppercase;
}
.state-tag.running {
    background-color: #2196f3;
    color: white;
}
.state-tag.done {
    background-color: #4caf50;
    color: white;
}
.state-tag.deleted {
    background-color: #f44336;
    color: white;
}
.state-tag.canceled {
    background-color: #ff9800;
    color: white;
}

/* Login & Auth */
.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}
.header-flex h1 {
    margin: 0;
}
.logout-btn {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    background-color: var(--border-color);
}
.logout-btn:hover {
    background-color: var(--accent-color);
}
.user-display {
    font-size: 0.85rem;
    color: #888;
    font-weight: bold;
}
.login-form {
    max-width: 400px;
    margin: 0 auto;
}
.flex-col {
    display: flex;
    flex-direction: column;
}
.items-end {
    align-items: flex-end;
}
.gap-2 {
    gap: 0.5rem;
}
.auth-switch {
    text-align: center;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}
.auth-switch a {
    color: var(--accent-color);
    text-decoration: none;
}
.auth-switch a:hover {
    text-decoration: underline;
}
.hint {
    font-size: 0.8rem;
    color: #888;
    text-align: center;
    margin-top: 1rem;
}

/* Filters */
.filters-container {
    padding: 1rem;
    margin-bottom: 1rem;
    background-color: rgba(255, 255, 255, 0.02);
    border-left: 2px solid var(--border-color);
}

.filter-search {
    flex: 1;
    min-width: 150px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.checkbox-label input {
    width: auto;
    margin: 0;
}

.wrap {
    flex-wrap: wrap;
}

.mb-1 {
    margin-bottom: 1rem;
}

/* Navigation Tabs */
.nav-tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE 10+ */
    -webkit-overflow-scrolling: touch;
}

.nav-tabs::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.nav-btn {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: transparent;
    border: 1px solid transparent;
    color: #888;
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
    border-radius: 6px;
    transition: all 0.2s;
}

.nav-btn:hover {
    color: var(--text-color);
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-btn.active {
    background-color: var(--accent-color);
    color: white;
    font-weight: bold;
}

.filter-preset-btn {
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
    background-color: var(--border-color);
    border: 1px solid transparent;
    color: var(--text-color);
    border-radius: 4px;
}

.filter-preset-btn:hover {
    background-color: var(--accent-color);
    color: white;
}

.filter-preset-btn.active {
    background-color: var(--accent-color);
    color: white;
}

.stats-bar {
    display: flex;
    gap: 1.5rem;
    padding: 0.6rem 1rem;
    margin-bottom: 1rem;
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: 6px;
    font-size: 0.85rem;
    color: #888;
    border: 1px solid var(--border-color);
    align-items: center;
}

.stats-item {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
}

.stats-value {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 1rem;
}

.stats-label {
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    color: #666;
}

/* Stats View Layout */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.stats-card {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 1.2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.stats-card h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    color: #888;
    letter-spacing: 1px;
}

.stats-card.full-width {
    grid-column: 1 / -1;
}

.stats-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stats-row:last-child {
    border-bottom: none;
}

.stats-desc-label {
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.stats-list-scroll {
    max-height: 200px;
    overflow-y: auto;
}

/* Timeline/Bar Chart */
.stats-timeline {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 140px;
    padding-top: 20px;
    overflow-x: auto;
}

/* Heatmap Styles */
.heatmap-container {
    overflow-x: auto;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 0.5rem;
}

.heatmap-header {
    display: flex;
    margin-bottom: 4px;
}

.heatmap-grid {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.heatmap-row {
    display: flex;
    gap: 2px;
    align-items: center;
}

.day-label {
    width: 50px;
    font-size: 0.7rem;
    color: #666;
    text-align: right;
    margin-right: 8px;
}

.day-label-empty {
    width: 58px;
}

.hour-label {
    width: 14px;
    font-size: 0.6rem;
    color: #666;
    text-align: center;
    margin-right: 2px;
}

.heatmap-cell {
    width: 14px;
    height: 14px;
    border-radius: 2px;
    transition: transform 0.1s;
}

.heatmap-cell:hover {
    transform: scale(1.2);
    z-index: 10;
}

.heatmap-cell.empty {
    background-color: rgba(255, 255, 255, 0.03);
}

.heatmap-cell.low {
    background-color: #ffdada; /* Sehr helles rot */
}

.heatmap-cell.medium {
    background-color: #ff7b7b; /* Mittleres rot */
}

.heatmap-cell.high {
    background-color: var(--accent-color); /* Kräftiges rot */
}

.heatmap-legend {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: flex-end;
    font-size: 0.7rem;
    color: #666;
    margin-top: 0.5rem;
}

.heatmap-legend .heatmap-cell {
    width: 10px;
    height: 10px;
}

/* Calendar View Styles */
.calendar-view {
    display: flex;
    overflow-x: auto;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    position: relative;
    max-height: 2700px;
    overflow-y: auto;
}

.calendar-time-axis {
    width: 60px;
    flex-shrink: 0;
    border-right: 1px solid var(--border-color);
    background-color: rgba(0, 0, 0, 0.3);
    padding-top: 40px; /* Header offset */
}

.time-mark {
    height: 320px;
    font-size: 0.7rem;
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.calendar-days {
    display: flex;
    flex-grow: 1;
}

.calendar-day-col {
    flex: 1;
    min-width: 150px;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.calendar-day-header {
    height: 40px;
    background-color: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--accent-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 5;
}

.calendar-day-body {
    position: relative;
    height: 7680px; /* 24 hours * 320px */
    background-image: linear-gradient(
        rgba(255, 255, 255, 0.03) 1px,
        transparent 1px
    );
    background-size: 100% 320px;
}

.calendar-session-block {
    position: absolute;
    left: 4px;
    right: 4px;
    background-color: var(--accent-color);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 0.75rem;
    color: white;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    border-left: 3px solid rgba(255, 255, 255, 0.3);
    z-index: 2;
}

.session-block-desc {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    min-width: 25px;
}

.timeline-bar {
    width: 100%;
    background-color: var(--accent-color);
    border-radius: 3px 3px 0 0;
    position: relative;
    min-height: 2px;
}

.timeline-count {
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    color: #888;
}

.timeline-count {
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    color: #888;
}

.timeline-date {
    font-size: 0.65rem;
    color: #666;
    margin-top: 0.5rem;
}

/* Inline Editor & List Styles */
.sessions-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.session-item-container {
    background-color: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: border-color 0.2s;
}

.session-item-container.expanded {
    border-color: var(--accent-color);
    background-color: rgba(255, 255, 255, 0.05);
}

.active-session-item {
    border-left: 4px solid var(--accent-color);
    background-color: rgba(255, 82, 82, 0.05);
}

.active-session-item .session-desc {
    font-size: 1.1rem;
    color: var(--accent-color);
}

.session-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    cursor: pointer;
    user-select: none;
    outline: none;
}

.session-summary:focus {
    background-color: rgba(255, 255, 255, 0.08);
}

.session-main-info {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.session-time {
    font-size: 0.75rem;
    color: #888;
}

.session-desc {
    font-weight: 500;
}

.session-meta-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.session-duration {
    font-size: 0.85rem;
    color: #aaa;
}

.expand-icon {
    font-size: 0.7rem;
    color: #666;
    width: 1rem;
    text-align: center;
}

.inline-editor {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    background-color: rgba(0, 0, 0, 0.2);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 0.8rem;
}

.form-group label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #888;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.form-row .form-group {
    margin-bottom: 0;
}

textarea {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
    outline: none;
    font-family: inherit;
    resize: vertical;
}

textarea:focus {
    border-color: var(--accent-color);
}

.editor-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
}

.save-btn {
    padding: 0.5rem 1.5rem;
}

.quick-delete-btn {
    background-color: transparent;
    border: 1px solid #f44336;
    color: #f44336;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quick-delete-btn:hover {
    background-color: #f44336;
    color: white;
}

.quick-clone-btn {
    background-color: transparent;
    border: 1px solid #4caf50;
    color: #4caf50;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quick-clone-btn:hover {
    background-color: #4caf50;
    color: white;
}

.delete-btn-subtle {
    background: transparent;
    color: #666;
    border: 1px solid #444;
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

.delete-btn-subtle:hover {
    background-color: #f44336;
    border-color: #f44336;
    color: white;
}

.btn-delete {
    background-color: transparent;
    color: #ff5252;
    border: 1px solid #ff5252;
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-delete:hover {
    background-color: #ff5252;
    color: white;
}

.badge {
    background-color: #444;
    color: #eee;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: normal;
}

.btn-import {
    background-color: transparent;
    color: #999;
    border: 1px solid #444;
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-import:hover {
    background-color: #555;
    color: white;
}

.error-msg {
    color: var(--accent-color);
    font-size: 0.85rem;
    margin: 0.5rem 0;
}

/* Mobile Adjustments */
@media (max-width: 600px) {
    .container {
        padding: 1rem;
    }
    .session-summary {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    .session-meta-info {
        width: 100%;
        justify-content: space-between;
    }
    .ratings-inline-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Evaluation View */
.evaluation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.evaluation-card {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    transition:
        transform 0.2s,
        box-shadow 0.2s;
    border-left-width: 6px;
}

.evaluation-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
}

.evaluation-card-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: #888;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.4rem;
}

.evaluation-title {
    margin: 0;
    font-size: 1.2rem;
    color: var(--text-color);
}

.evaluation-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tag-label {
    background-color: rgba(255, 255, 255, 0.1);
    color: #aaa;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    border: 1px solid var(--border-color);
}

.evaluation-notes {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 0.6rem;
    border-radius: 6px;
    font-size: 0.9rem;
}

.evaluation-notes strong {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    color: #666;
    margin-bottom: 0.2rem;
}

.evaluation-notes p {
    margin: 0;
    color: #ccc;
    white-space: pre-wrap;
}

.evaluation-ratings {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    margin-top: auto;
    padding-top: 0.8rem;
    border-top: 1px solid var(--border-color);
}

/* Evaluation Card Inputs */

.evaluation-title-input {
    background-color: transparent;
    border: none;
    border-bottom: 1px solid transparent;
    color: var(--accent-color);
    font-size: 1.2rem;
    font-weight: bold;
    padding: 0.2rem 0;
    width: 100%;
    margin-bottom: 0.5rem;
    transition: border-bottom-color 0.2s;
}

.evaluation-title-input:focus {
    border-bottom-color: var(--accent-color);
}

.evaluation-field {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    margin-bottom: 0.5rem;
}

.evaluation-field label {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: #666;
    letter-spacing: 0.5px;
}

.evaluation-notes-input {
    background-color: rgba(0, 0, 0, 0.2) !important;
    border: 1px solid var(--border-color) !important;
    font-size: 0.85rem !important;
    padding: 0.4rem !important;
}

.evaluation-save-btn {
    margin-top: 1rem;
    width: 100%;
    padding: 0.5rem;
    font-size: 0.9rem;
}

/* Footer Styles */
.app-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: #666;
}

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

.footer-link-btn {
    background: transparent;
    border: none;
    color: #888;
    padding: 0;
    font-size: 0.8rem;
    font-weight: normal;
    text-decoration: underline;
    cursor: pointer;
}

.footer-link-btn:hover {
    color: var(--accent-color);
    background: transparent;
}

.footer-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.build-info {
    font-family: monospace;
    font-size: 0.7rem;
    opacity: 0.6;
}

/* Impressum Overlay */
.impressum-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 1rem;
}

.impressum-card {
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    border-left: 6px solid var(--accent-color);
    background-color: var(--container-bg);
}

.impressum-content {
    margin: 1.5rem 0;
    text-align: left;
    font-size: 0.9rem;
    color: var(--text-color);
}

.impressum-content p {
    margin-bottom: 1rem;
}

.impressum-content strong {
    color: var(--accent-color);
}

.manual-about h2 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.manual-about h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Settings Page Styles */
.settings-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.settings-section {
    background-color: rgba(255, 255, 255, 0.03);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.settings-section h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.language-options, .theme-color-options, .theme-mode-options {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.theme-options {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.theme-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.group-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: #666;
    letter-spacing: 1px;
}

.theme-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--border-color);
    color: var(--text-color);
    padding: 0.6rem 1rem;
    border: 1px solid transparent;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s;
}

.theme-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.theme-btn.active {
    background-color: var(--accent-color);
    color: white;
}

.color-preview {
    display: inline-block;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.gap-1 {
    gap: 0.4rem;
}

/* Sprachauswahl im Header */
.lang-select {
    width: auto;
    min-width: 0;
    margin: 0;
    padding: 0.25rem 1.4rem 0.25rem 0.5rem;
    font-size: 1.1rem;
    line-height: 1.4;
    background-color: var(--border-color);
    color: var(--text-color);
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
        linear-gradient(135deg, currentColor 50%, transparent 50%);
    background-position: right 0.6rem center, right 0.35rem center;
    background-size: 4px 4px, 4px 4px;
    background-repeat: no-repeat;
}

.lang-select:hover {
    border-color: var(--accent-color);
}

.lang-select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.lang-select option {
    font-size: 1.1rem;
    background-color: var(--bg-color);
    color: var(--text-color);
}

/* Eigener Sound Upload */
.custom-sound-upload {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.custom-sound-upload label.theme-btn {
    cursor: pointer;
}

.custom-sound-name {
    font-size: 0.85rem;
    color: #888;
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.hint-text {
    font-size: 0.75rem;
    color: #666;
}

.error-message {
    font-size: 0.85rem;
    color: #ff5252;
}

/* Zen Mode Overlay */
.zen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-color);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.zen-exit-btn {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.zen-exit-btn:hover {
    background-color: var(--accent-color);
    color: white;
}

.zen-content {
    text-align: center;
    max-width: 800px;
    width: 100%;
}

.zen-session-desc {
    font-size: 3rem;
    margin-bottom: 3rem;
    color: var(--text-color);
}

.zen-timer-container {
    cursor: pointer;
    transition: transform 0.2s;
}

.zen-timer-container:hover {
    transform: scale(1.02);
}

.zen-timer-container .timer-display {
    font-size: 12rem;
    padding: 1.5rem 4rem;
    border-radius: 40px;
    background: rgba(var(--accent-color-rgb, 255, 82, 82), 0.05);
    line-height: 1;
    display: inline-block;
}

@media (max-width: 1200px) {
    .zen-timer-container .timer-display {
        font-size: 10rem;
    }
}

@media (max-width: 768px) {
    .zen-timer-container .timer-display {
        font-size: 6rem;
    }
    .zen-session-desc {
        font-size: 2rem;
    }
}

/* Cyberpunk specific Zen tweaks */
body[data-mode="cyber"] .zen-timer-container .timer-display {
    border-width: 5px;
    box-shadow: 0 0 30px var(--accent-color);
}

body[data-mode="paper"] .zen-session-desc {
    font-family: Georgia, serif;
    font-style: italic;
}

.hide-on-mobile {
    display: inline-block;
}

@media (max-width: 768px) {
    .hide-on-mobile {
        display: none !important;
    }
}

/* Datalist Styling (Best Effort across browsers) */
datalist {
    background-color: var(--container-bg);
    color: var(--text-color);
}

option {
    background-color: var(--container-bg);
    color: var(--text-color);
}


/* ==========================================================================
   Kicker-Turniere
   ========================================================================== */


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

.btn-danger {
    background-color: var(--accent-color);
    color: #fff;
}

/* Inline-SVG-Symbole erben Farbe und Größe vom umgebenden Button. */
.icon {
    width: 1.1em;
    height: 1.1em;
    vertical-align: -0.18em;
    flex: 0 0 auto;
}

/* Button, dessen Beschriftung erst beim Überfahren erscheint. Der Text wird
   nicht ausgeblendet, sondern aufgeklappt – so bleibt er für Screenreader
   lesbar, und der Tastaturfokus zeigt ihn ebenfalls. */
.hover-label-btn {
    display: inline-flex;
    align-items: center;
}

.hover-label-btn .btn-label {
    max-width: 0;
    margin-left: 0;
    opacity: 0;
    overflow: hidden;
    white-space: nowrap;
    transition: max-width 0.18s ease, opacity 0.18s ease, margin-left 0.18s ease;
}

.hover-label-btn:hover .btn-label,
.hover-label-btn:focus-visible .btn-label {
    max-width: 12rem;
    margin-left: 0.4rem;
    opacity: 1;
}

/* Reine Symbol-Buttons: quadratisch, ohne Textbreite. Beschriftung steckt in
   title und aria-label. */
.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.3rem 0.45rem;
    line-height: 1;
}

.mono {
    font-family: monospace;
    font-size: 0.75rem;
    opacity: 0.7;
}

.hint-text {
    font-size: 0.8rem;
    opacity: 0.7;
    margin: 0.35rem 0;
}

.error-msg {
    color: var(--accent-color);
    margin: 0.5rem 0;
}

.status-msg.success {
    color: #4caf50;
}

/* -- Turnierliste -------------------------------------------------------- */

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

.tournament-card {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--container-bg);
}

.tournament-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.tournament-header h2,
.tournament-header h3 {
    margin: 0;
    margin-right: auto;
}


.tournament-meta {
    opacity: 0.7;
    font-size: 0.8rem;
    margin: 0.25rem 0 0.75rem 0;
}

.tournament-detail > .footer-link-btn {
    margin-bottom: 0.5rem;
}

/* -- Spieler ------------------------------------------------------------- */

.player-section,
.teams-section,
.matches-section,
.standings-section {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.player-section h4,
.teams-section h4,
.matches-section h4,
.standings-section h4 {
    margin: 0 0 0.25rem 0;
}

/* Einklappbare Abschnitts-Überschrift (Spielerliste) */
.collapse-toggle {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    width: 100%;
    padding: 0;
    background: none;
    border: none;
    box-shadow: none;
    color: var(--text-color);
    cursor: pointer;
    text-align: left;
}

.collapse-toggle:hover {
    background: none;
    color: var(--accent-color);
}

.collapse-toggle h4 {
    margin: 0;
    font-size: 1rem;
}

.collapse-caret {
    font-size: 0.75rem;
    width: 0.9rem;
    opacity: 0.7;
}

.player-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.player-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.35rem 0;
    border-bottom: 1px solid var(--border-color);
}

.player-item:last-child {
    border-bottom: none;
}

.player-name {
    font-weight: 500;
}

/* Spieler aus dem Pool: kompakte Chips über dem Eingabefeld. */
.pool-picker {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-top: 0.75rem;
}

.pool-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.pool-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.6rem;
    font-size: 0.85rem;
    border-radius: 999px;
    background-color: var(--input-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.pool-chip:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.player-rename {
    flex: 1;
    min-width: 0;
    margin-right: 0.5rem;
}

.players-view .player-item {
    gap: 0.5rem;
}

.add-player-form {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-top: 0.5rem;
}

.add-player-form input {
    flex: 1;
    min-width: 0;
}

/* -- Teams --------------------------------------------------------------- */

.teams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.5rem;
}

.team-card {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--input-bg);
}

.team-members {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* -- Spielplan ----------------------------------------------------------- */

.schedule-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.matches-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.match-card {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--input-bg);
}

.match-card.match-completed {
    border-left: 3px solid var(--accent-color);
}

.match-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.35rem;
}

.match-number {
    font-weight: 600;
    font-size: 0.85rem;
    opacity: 0.8;
}

.match-body {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 0.5rem;
    align-items: center;
}

.match-team {
    font-size: 0.9rem;
}

/* Aufstellung: vorne oben, hinten unten – wie am Tisch gesehen.
   Die Positionen werden über Spielkarten kommuniziert (Karo, Herz, Pik, Kreuz). */
.match-lineup {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.lineup-row {
    display: grid;
    grid-template-columns: 1.2rem 3.5rem 1fr;
    align-items: baseline;
    gap: 0.4rem;
}

.lineup-suit {
    font-size: 1.1rem;
    line-height: 1;
    text-align: center;
    cursor: help;
}

.lineup-suit.suit-red {
    color: #e5393a;
}

.lineup-position {
    font-size: 0.75rem;
    opacity: 0.65;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.lineup-player {
    font-weight: 500;
}

.team-name {
    font-weight: 500;
}

.match-score {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
}

/* Ergebniseingabe über Schieberegler: pro Team eine Zeile aus Regler und Wert. */
.score-sliders {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    min-width: 140px;
}

.score-slider-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.score-slider-row input[type="range"] {
    flex: 1;
    min-width: 90px;
    margin: 0;
    accent-color: var(--accent-color);
}

.score-value {
    min-width: 1.25rem;
    text-align: right;
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}

.score-readonly {
    font-size: 1.1rem;
    font-weight: 600;
    white-space: nowrap;
}

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

/* -- Hauptrunde (KO-Baum) ------------------------------------------------ */

.bracket-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.bracket-section > h4 {
    margin: 0;
}

.round-label {
    margin: 0 0 0.35rem 0;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.75;
}

.champion-banner {
    margin: 0;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--accent-color);
    border-radius: 6px;
    background-color: var(--input-bg);
}

.team-pending {
    opacity: 0.6;
    font-style: italic;
}

.team-card-header {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
}

.team-seed {
    font-size: 0.75rem;
    padding: 0.05rem 0.35rem;
    border-radius: 999px;
    background-color: var(--accent-color);
    color: #fff;
}

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

.standings-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.standings-table th,
.standings-table td {
    padding: 0.35rem 0.5rem;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
}

.standings-table .standings-num,
.standings-table th.standings-num {
    text-align: right;
    white-space: nowrap;
}

.standings-rank {
    width: 2rem;
    opacity: 0.7;
}

.standings-name {
    font-weight: 500;
}

.standings-points {
    font-weight: 700;
}

/* -- Teilen & Löschen ---------------------------------------------------- */

.share-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.share-row input {
    flex: 1;
    min-width: 0;
    font-family: monospace;
    font-size: 0.8rem;
}

.delete-confirmation {
    padding: 0.75rem;
    border: 1px solid var(--accent-color);
    border-radius: 6px;
}

.delete-confirmation p {
    margin: 0 0 0.5rem 0;
}

/* -- Admin --------------------------------------------------------------- */

.feature-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border-color);
}

/* -- Öffentliche Ansicht ------------------------------------------------- */

.public-view .tournament-header h2 {
    margin-right: auto;
}