/* ═══════════════════════════════════════════════════════════════
   Abfuhrkalender – Styles
   Premium dark-mode design with glassmorphism
   ═══════════════════════════════════════════════════════════════ */

/* ── Design Tokens ──────────────────────────────────────────── */
:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: rgba(26, 29, 39, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.04);
    --bg-hover: rgba(255, 255, 255, 0.06);
    --border: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(99, 132, 255, 0.5);

    --text-primary: #e8eaf0;
    --text-secondary: #8b8fa3;
    --text-muted: #5c6070;

    --accent: #6384ff;
    --accent-hover: #7b9aff;
    --accent-glow: rgba(99, 132, 255, 0.15);
    --success: #4ade80;
    --warning: #fbbf24;
    --danger: #f87171;

    /* Waste type colors */
    --color-bio: #795548;
    --color-restmuell: #616161;
    --color-wertstoff: #FFB300;
    --color-papier: #1976D2;
    --color-laub: #43A047;
    --color-weihnachtsbaum: #2E7D32;

    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);

    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

a { color: var(--accent); }

/* ── App Shell ──────────────────────────────────────────────── */
#app {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 16px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Header ─────────────────────────────────────────────────── */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.header-icon {
    color: var(--accent);
}

.header-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 6px rgba(99, 132, 255, 0.25));
}

.login-logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    filter: drop-shadow(0 4px 16px rgba(99, 132, 255, 0.3));
}

.header-actions {
    display: flex;
    gap: 8px;
}

.header-btn {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.header-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-focus);
}

/* ── Views ──────────────────────────────────────────────────── */
.view { display: none; flex: 1; }
.view.active { display: block; }

/* ── Login ──────────────────────────────────────────────────── */
.login-card {
    max-width: 400px;
    margin: 80px auto;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px 32px;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow);
}

.login-icon {
    color: var(--accent);
    margin-bottom: 16px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.login-card h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.login-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.login-error {
    background: rgba(248, 113, 113, 0.1);
    border: 1px solid rgba(248, 113, 113, 0.3);
    color: var(--danger);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 0.85rem;
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-glass);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--border-focus);
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn-accent {
    background: rgba(74, 222, 128, 0.1);
    border-color: rgba(74, 222, 128, 0.3);
    color: var(--success);
}

.btn-accent:hover:not(:disabled) {
    background: rgba(74, 222, 128, 0.2);
}

.btn-secondary {
    background: var(--bg-glass);
    border-color: var(--border);
    color: var(--text-secondary);
    font-size: 0.8rem;
    padding: 8px 14px;
    margin-bottom: 16px;
}

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

.btn-oidc {
    display: flex;
    width: 100%;
    justify-content: center;
    padding: 14px 24px;
    background: var(--accent);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    gap: 10px;
}

.btn-oidc:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: none;
    border: none;
    color: var(--accent);
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    margin-bottom: 20px;
    padding: 4px 0;
    transition: var(--transition);
}

.btn-back:hover { opacity: 0.8; }

.btn-icon {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

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

/* ── Calendar Controls ──────────────────────────────────────── */
.calendar-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.year-selector {
    display: flex;
    align-items: center;
    gap: 12px;
}

.year-selector h2 {
    font-size: 1.5rem;
    font-weight: 800;
    min-width: 60px;
    text-align: center;
    background: linear-gradient(135deg, var(--accent), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.calendar-actions {
    display: flex;
    gap: 10px;
}

/* ── Loading / Empty ────────────────────────────────────────── */
.loading-state, .empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.empty-state svg {
    color: var(--text-muted);
    margin-bottom: 12px;
}

/* ── Calendar Web Preview ───────────────────────────────────── */
.calendar-web-preview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

@media (max-width: 768px) {
    .calendar-web-preview {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .calendar-web-preview {
        grid-template-columns: 1fr;
    }
}

.month-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    backdrop-filter: blur(12px);
}

.month-card h3 {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 8px;
    text-align: center;
    color: var(--accent);
}

.month-card table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.7rem;
}

.month-card thead th {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.6rem;
    text-transform: uppercase;
    padding: 2px;
    text-align: center;
}

.month-card tbody td {
    text-align: center;
    padding: 1px;
    vertical-align: top;
    height: 28px;
    position: relative;
}

.day-num {
    font-size: 0.65rem;
    color: var(--text-secondary);
    display: block;
    line-height: 1;
    margin-bottom: 1px;
}

.day-icons {
    display: flex;
    justify-content: center;
    gap: 1px;
    flex-wrap: wrap;
}

.day-icons .waste-icon {
    width: 10px;
    height: 10px;
}

.day-today {
    background: var(--accent-glow);
    border-radius: 4px;
}

.day-weekend .day-num {
    color: var(--text-muted);
}

/* ── Admin ──────────────────────────────────────────────────── */
.admin-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
    backdrop-filter: blur(12px);
}

.admin-card h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.admin-card h2 svg {
    color: var(--accent);
    flex-shrink: 0;
}

.admin-card h3 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 16px 0 10px;
}

.admin-card p,
.admin-card .hint {
    color: var(--text-secondary);
    font-size: 0.82rem;
    margin-bottom: 16px;
    line-height: 1.5;
}

.admin-status {
    margin-bottom: 12px;
    font-size: 0.85rem;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.form-group input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-row {
    display: flex;
    gap: 12px;
}

.flex-1 { flex: 1; }
.flex-3 { flex: 3; }

/* ── Waste Type Selector ────────────────────────────────────── */
.waste-type-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.waste-type-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--bg-glass);
    cursor: pointer;
    font-size: 0.78rem;
    color: var(--text-secondary);
    transition: var(--transition);
    user-select: none;
}

.waste-type-chip:hover {
    background: var(--bg-hover);
}

.waste-type-chip.active {
    border-color: currentColor;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.waste-type-chip .chip-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.waste-type-chip .chip-check {
    width: 14px;
    height: 14px;
    border: 1.5px solid var(--text-muted);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.waste-type-chip.active .chip-check {
    background: var(--accent);
    border-color: var(--accent);
}

.waste-type-chip.active .chip-check svg {
    display: block;
}

.waste-type-chip .chip-check svg {
    display: none;
    color: #fff;
}

.btn-save-settings {
    width: 100%;
    justify-content: center;
    padding: 14px;
    font-size: 0.95rem;
    margin-bottom: 40px;
}

/* ── Footer ─────────────────────────────────────────────────── */
.app-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-top: 1px solid var(--border);
    margin-top: auto;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.build-info {
    font-size: 0.7rem;
}

/* ── Toast ──────────────────────────────────────────────────── */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    box-shadow: var(--shadow);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ═══════════════════════════════════════════════════════════════
   PRINT / PDF CALENDAR STYLES (DIN A4)
   ═══════════════════════════════════════════════════════════════ */

.calendar-print {
    width: 210mm;
    min-height: 297mm;
    padding: 10mm 12mm;
    background: #ffffff;
    color: #1a1a1a;
    font-family: 'Inter', sans-serif;
    box-sizing: border-box;
}

.cal-header {
    text-align: center;
    margin-bottom: 6mm;
    padding-bottom: 4mm;
    border-bottom: 2px solid #e0e0e0;
}

.cal-header h1 {
    font-size: 18pt;
    font-weight: 800;
    color: #1a237e;
    margin-bottom: 2mm;
    letter-spacing: 0.5px;
}

.cal-header h2 {
    font-size: 12pt;
    font-weight: 600;
    color: #424242;
}

.cal-address {
    font-size: 9pt;
    color: #757575;
    margin-top: 1mm;
}

/* Calendar Grid – 3 columns x 4 rows */
.cal-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3mm;
    margin-bottom: 5mm;
}

.cal-month {
    border: 1px solid #e0e0e0;
    border-radius: 3mm;
    padding: 2mm 2.5mm;
}

.cal-month-title {
    font-size: 8.5pt;
    font-weight: 700;
    text-align: center;
    color: #1a237e;
    margin-bottom: 1.5mm;
    padding-bottom: 1mm;
    border-bottom: 1px solid #eeeeee;
}

.cal-month table {
    width: 100%;
    border-collapse: collapse;
}

.cal-month thead th {
    font-size: 5.5pt;
    font-weight: 600;
    color: #9e9e9e;
    text-align: center;
    padding: 0.5mm 0;
}

.cal-month tbody td {
    text-align: center;
    vertical-align: top;
    padding: 0.3mm;
    height: 5.2mm;
    font-size: 6pt;
    position: relative;
}

.cal-day-num {
    font-size: 6pt;
    color: #424242;
    line-height: 1;
}

.cal-day-weekend .cal-day-num {
    color: #bdbdbd;
}

.cal-day-icons {
    display: flex;
    justify-content: center;
    gap: 0.3mm;
    margin-top: 0.2mm;
}

.cal-day-icons .waste-icon-print {
    width: 2.5mm;
    height: 2.5mm;
}

/* Legend */
.cal-legend {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4mm;
    padding: 3mm 0;
    border-top: 1px solid #e0e0e0;
    border-bottom: 1px solid #e0e0e0;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 2mm;
    font-size: 7.5pt;
    color: #424242;
}

.legend-item .waste-icon-print {
    width: 4mm;
    height: 4mm;
}

/* Footer */
.cal-footer {
    text-align: center;
    font-size: 7pt;
    color: #9e9e9e;
    margin-top: 3mm;
    padding-top: 2mm;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 600px) {
    .calendar-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .year-selector {
        justify-content: center;
    }

    .calendar-actions {
        justify-content: stretch;
    }

    .calendar-actions .btn {
        flex: 1;
        justify-content: center;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    header h1 {
        font-size: 1.05rem;
    }
}