/* Webkalender - Modernes CSS Layout */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --danger-color: #dc2626;
    --danger-hover: #b91c1c;
    --success-color: #16a34a;
    --warning-color: #d97706;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --calendar-cell-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --today-bg: #dbeafe;
    --weekend-bg: #f1f5f9;
    --has-events-bg: #fef3c7;
    --input-bg: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

/* Dark Mode */
[data-theme="dark"] {
    --primary-color: #3b82f6;
    --primary-hover: #60a5fa;
    --danger-color: #ef4444;
    --danger-hover: #f87171;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --calendar-cell-bg: #1e293b;
    --border-color: #334155;
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --today-bg: #1e3a5f;
    --weekend-bg: #1e293b;
    --has-events-bg: #422006;
    --input-bg: #1e293b;
    --shadow-color: rgba(0, 0, 0, 0.3);
}

/* System-Präferenz Dark Mode */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --primary-color: #3b82f6;
        --primary-hover: #60a5fa;
        --danger-color: #ef4444;
        --danger-hover: #f87171;
        --success-color: #22c55e;
        --warning-color: #f59e0b;
        --bg-color: #0f172a;
        --card-bg: #1e293b;
        --calendar-cell-bg: #1e293b;
        --border-color: #334155;
        --text-color: #f1f5f9;
        --text-muted: #94a3b8;
        --today-bg: #1e3a5f;
        --weekend-bg: #1e293b;
        --has-events-bg: #422006;
        --input-bg: #1e293b;
        --shadow-color: rgba(0, 0, 0, 0.3);
    }
}

/* Farbschemas */
[data-color-scheme="green"] {
    --primary-color: #16a34a;
    --primary-hover: #15803d;
    --today-bg: #dcfce7;
}
[data-color-scheme="green"][data-theme="dark"] {
    --primary-color: #22c55e;
    --primary-hover: #4ade80;
    --today-bg: #14532d;
}

[data-color-scheme="purple"] {
    --primary-color: #7c3aed;
    --primary-hover: #6d28d9;
    --today-bg: #ede9fe;
}
[data-color-scheme="purple"][data-theme="dark"] {
    --primary-color: #8b5cf6;
    --primary-hover: #a78bfa;
    --today-bg: #3b0764;
}

[data-color-scheme="red"] {
    --primary-color: #dc2626;
    --primary-hover: #b91c1c;
    --today-bg: #fee2e2;
}
[data-color-scheme="red"][data-theme="dark"] {
    --primary-color: #ef4444;
    --primary-hover: #f87171;
    --today-bg: #7f1d1d;
}

[data-color-scheme="teal"] {
    --primary-color: #0d9488;
    --primary-hover: #0f766e;
    --today-bg: #ccfbf1;
}
[data-color-scheme="teal"][data-theme="dark"] {
    --primary-color: #14b8a6;
    --primary-hover: #2dd4bf;
    --today-bg: #134e4a;
}

[data-color-scheme="orange"] {
    --primary-color: #ea580c;
    --primary-hover: #c2410c;
    --today-bg: #ffedd5;
}
[data-color-scheme="orange"][data-theme="dark"] {
    --primary-color: #f97316;
    --primary-hover: #fb923c;
    --today-bg: #7c2d12;
}

/* Site Header */
.site-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    padding: 1.5rem 2rem;
    text-align: center;
}

.site-header-content {
    max-width: 1200px;
    margin: 0 auto;
}

.site-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.025em;
}

.site-subtitle {
    font-size: 1rem;
    margin: 0.25rem 0 0;
    opacity: 0.9;
    font-weight: 400;
}

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

html {
    overflow-x: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    overflow-x: hidden;
    min-width: 320px;
}

/* Navigation */
.navbar {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand a {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
}

.navbar-menu {
    display: flex;
    gap: 1.5rem;
}

.navbar-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
}

.navbar-menu a:hover {
    color: var(--primary-color);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-user span {
    color: var(--text-muted);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem;
    box-sizing: border-box;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: var(--card-bg);
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

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

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

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

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

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

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* Calendar Header */
.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.calendar-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    flex: 1;
    min-width: 200px;
}

.calendar-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

/* Calendar Table */
.calendar-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.calendar {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.calendar th {
    background-color: var(--bg-color);
    padding: 0.75rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

.calendar td {
    border: 1px solid var(--border-color);
    vertical-align: top;
    height: 120px;
    width: 14.28%;
    padding: 0.25rem;
    background-color: var(--calendar-cell-bg);
}

.calendar td.other-month {
    background-color: var(--bg-color);
}

.calendar td.today {
    background-color: var(--today-bg);
}

.calendar td.weekend {
    background-color: var(--weekend-bg);
}

.calendar td.has-events {
    background-color: var(--has-events-bg);
}

.calendar td.today.has-events {
    background-color: var(--today-bg);
}

.day-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.25rem;
}

.day-number {
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
}

.day-number:hover {
    background-color: var(--primary-color);
    color: white;
}

.add-event {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1.25rem;
    line-height: 1;
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
}

.add-event:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Calendar Events */
.day-events {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.event {
    display: block;
    padding: 0.125rem 0.25rem;
    background-color: var(--bg-color);
    border-radius: 0.25rem;
    text-decoration: none;
    font-size: 0.75rem;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-left: 3px solid var(--primary-color);
}

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

.event-time {
    color: var(--text-muted);
    margin-right: 0.25rem;
}

.more-events {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.125rem;
}

.more-events:hover {
    color: var(--primary-color);
}

/* Day View */
.day-view {
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

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

.entry-card {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-color);
    border-radius: 0.375rem;
    border-left: 4px solid var(--primary-color);
}

.entry-time {
    min-width: 80px;
    font-weight: 600;
    color: var(--text-muted);
}

.entry-time .duration {
    display: block;
    font-weight: 400;
    font-size: 0.8125rem;
}

.entry-content {
    flex: 1;
}

.entry-content h3 {
    margin-bottom: 0.25rem;
}

.entry-content h3 a {
    color: var(--text-color);
    text-decoration: none;
}

.entry-content h3 a:hover {
    color: var(--primary-color);
}

.entry-location,
.entry-description {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.entry-category {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    color: white;
    margin-top: 0.5rem;
}

.entry-actions {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
}

.no-entries {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.no-entries p {
    margin-bottom: 1rem;
}

/* Entry Detail */
.entry-detail {
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.entry-detail-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.entry-detail-header h1 {
    font-size: 1.75rem;
}

.entry-detail-meta {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.meta-item strong {
    display: inline-block;
    min-width: 120px;
}

.entry-detail-description {
    margin-bottom: 1.5rem;
}

.entry-detail-description h2 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.entry-detail-actions {
    display: flex;
    gap: 0.5rem;
}

/* Forms */
.form-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.form-container h1 {
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group input[type="number"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    width: 100%;
    max-width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 1rem;
    font-family: inherit;
    background-color: var(--input-bg);
    color: var(--text-color);
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input:disabled {
    background-color: var(--bg-color);
    color: var(--text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
    gap: 1rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
}

.form-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

/* Login */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-color);
}

.login-box {
    width: 100%;
    max-width: 400px;
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.login-box h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.login-box h2 {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Utilities */
.inline {
    display: inline;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        gap: 0.5rem;
        padding: 0.5rem 1rem;
    }

    .navbar-brand a {
        font-size: 1rem;
    }

    .navbar-menu {
        order: 3;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .navbar-menu a {
        font-size: 0.875rem;
    }

    .navbar-user {
        gap: 0.5rem;
    }

    .navbar-user span {
        display: none;
    }

    .container {
        padding: 1rem;
    }

    .calendar td {
        height: 80px;
        font-size: 0.75rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .entry-card {
        flex-direction: column;
    }

    .entry-actions {
        flex-wrap: wrap;
    }

    .site-header {
        padding: 1rem;
    }

    .site-title {
        font-size: 1.25rem;
    }

    .site-subtitle {
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .navbar-menu {
        gap: 0.5rem;
    }

    .navbar-menu a {
        font-size: 0.8125rem;
    }

    .calendar-header {
        flex-direction: column;
        text-align: center;
    }

    .calendar-header h1 {
        font-size: 1.25rem;
        order: -1;
        width: 100%;
    }

    .calendar td {
        height: 60px;
        padding: 0.125rem;
    }

    .day-number {
        font-size: 0.75rem;
        padding: 0.125rem 0.25rem;
    }

    .add-event {
        font-size: 1rem;
    }
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.375rem 0.625rem;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background-color: var(--bg-color);
    border-color: var(--primary-color);
}

/* UI Verbesserungen */
.btn {
    transition: all 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px var(--shadow-color);
}

.btn:active {
    transform: translateY(0);
}

.calendar td {
    transition: background-color 0.15s ease;
}

.calendar td:hover {
    filter: brightness(0.97);
}

[data-theme="dark"] .calendar td:hover {
    filter: brightness(1.1);
}

.entry-card {
    transition: all 0.2s ease;
}

.entry-card:hover {
    transform: translateX(4px);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.navbar-menu a {
    transition: color 0.15s ease;
}

/* Alert Farben für Dark Mode */
[data-theme="dark"] .alert-success {
    background-color: #14532d;
    color: #86efac;
    border-color: #166534;
}

[data-theme="dark"] .alert-danger {
    background-color: #7f1d1d;
    color: #fca5a5;
    border-color: #991b1b;
}

[data-theme="dark"] .alert-warning {
    background-color: #78350f;
    color: #fcd34d;
    border-color: #92400e;
}

[data-theme="dark"] .alert-info {
    background-color: #1e3a5f;
    color: #93c5fd;
    border-color: #1e40af;
}