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

:root {
    --bg:         #f5f6f8;
    --surface:    #ffffff;
    --border:     #e2e5ea;
    --text:       #1a1d23;
    --text-muted: #6b7280;
    --primary:    #2563eb;
    --primary-bg: #eff6ff;
    --holiday:    #dc2626;
    --holiday-bg: #fef2f2;
    --weekend-bg: #e8edf5;
    --today-ring: #10b981;
    --radius:     6px;
    --shadow:     0 1px 3px rgba(0,0,0,.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 13px;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

/* ── Header ─────────────────────────────────────────── */
.app-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 6px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-left h1 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

.header-left .subtitle {
    font-size: 11px;
    color: var(--text-muted);
    display: block;
    margin-top: 1px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
    padding: 6px 14px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.4;
    transition: background .15s, opacity .15s;
    white-space: nowrap;
}

.btn-primary   { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: #1d4ed8; }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg); }
.btn-danger    { background: #fef2f2; color: var(--holiday); border-color: #fecaca; }
.btn-danger:hover  { background: #fee2e2; }

select {
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    font-size: 12px;
    cursor: pointer;
}

/* ── Calendar container ──────────────────────────────── */
.calendar-container {
    padding: 12px;
    overflow-x: auto;
}

/* ── Year grid: 12 columns side-by-side ─────────────── */
.year-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(90px, 1fr));
    gap: 6px;
    min-width: 1080px;
}

@media (max-width: 1079px) {
    .year-grid { grid-template-columns: repeat(6, 1fr); min-width: 0; }
}

@media (max-width: 599px) {
    .year-grid { grid-template-columns: repeat(2, 1fr); min-width: 0; }
}

/* ── Month block ─────────────────────────────────────── */
.month-block {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.month-header {
    background: #6b7280;
    color: #fff;
    text-align: center;
    font-weight: 700;
    font-size: 12px;
    padding: 6px 4px;
    letter-spacing: .03em;
}

/* ── Day row ─────────────────────────────────────────── */
.day-row {
    display: grid;
    grid-template-columns: 20px 1fr 18px;
    padding: 3px 4px;
    min-height: 28px;
    align-items: start;
    border-bottom: 1px solid #f3f4f6;
    border-left: 3px solid transparent;
    cursor: pointer;
    transition: background .1s;
    gap: 2px;
}

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

.day-row:hover { background: var(--primary-bg) !important; }

.day-row.weekend          { background: var(--weekend-bg); border-left: 3px solid #a5b4d4; }
.day-row.span-continuation{ background: linear-gradient(to right, #bfdbfe 40px, transparent 40px); border-left: 3px solid #93c5fd; }
.day-row.span-continuation.weekend { background: linear-gradient(to right, #93c5fd 40px, var(--weekend-bg) 40px); }
.day-row.today     { outline: 2px solid var(--today-ring); outline-offset: -2px; border-radius: 2px; }

/* KW column */
.day-kw {
    font-size: 9px;
    color: #9ca3af;
    text-align: right;
    line-height: 1;
    padding-left: 2px;
}

/* Weekday abbreviation */
.day-wd {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-muted);
    text-align: center;
}

.day-row.weekend .day-wd  { color: #4a6fa5; font-weight: 700; }
.day-row.weekend .day-num { color: #4a6fa5; font-weight: 700; }

/* Day number + event text combined */
.day-content {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    justify-content: center;
}

.day-top {
    display: flex;
    align-items: baseline;
    gap: 3px;
    overflow: hidden;
}

.day-location {
    font-size: 9px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-left: 17px;
    line-height: 1.2;
}

.day-num {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-muted);
    min-width: 14px;
    flex-shrink: 0;
}

.day-event {
    font-size: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.day-row .day-event              { color: var(--text); }
.day-row.holiday                 { background: var(--holiday-bg); }
.day-row.holiday .day-event      { color: var(--holiday); }

.day-note-icon {
    font-size: 9px;
    color: #9ca3af;
    flex-shrink: 0;
    margin-left: 2px;
    line-height: 1;
}

/* ── Color picker ────────────────────────────────────── */
.color-picker-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 4px;
}

.color-swatch {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    transition: transform .1s, border-color .1s;
    flex-shrink: 0;
}

.color-swatch:hover   { transform: scale(1.2); }
.color-swatch.active  { border-color: var(--text) !important; box-shadow: 0 0 0 2px #fff inset; }

.swatch-none {
    background: var(--bg);
    border-color: var(--border);
    color: var(--text-muted);
    font-size: 10px;
}

.swatch-custom {
    background: var(--bg);
    border-color: var(--border);
    position: relative;
    cursor: pointer;
}

.swatch-custom input[type="color"] {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    padding: 0;
    border: none;
}

/* ── Modal ───────────────────────────────────────────── */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.modal-overlay.open {
    display: flex;
}

.modal {
    background: var(--surface);
    border-radius: 10px;
    padding: 24px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,.25);
    animation: modal-in .15s ease;
}

@keyframes modal-in {
    from { opacity: 0; transform: scale(.95); }
    to   { opacity: 1; transform: scale(1); }
}

.modal h2 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

.modal p {
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.5;
    font-size: 13px;
}

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

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 4px;
    color: var(--text-muted);
}

.form-group input[type="text"],
.form-group input[type="file"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    font-family: inherit;
    background: var(--surface);
    color: var(--text);
}

.form-group-dates {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}

.form-group textarea { resize: vertical; }

.modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 20px;
    flex-wrap: wrap;
}

.modal-actions .btn-danger { margin-right: auto; }

/* ── Settings modal ─────────────────────────────────── */
.modal-wide { max-width: 560px; }

.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.settings-header h2 { margin-bottom: 0; }

.btn-close {
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px 8px;
    border-radius: var(--radius);
}
.btn-close:hover { background: var(--bg); }

/* ── Tabs ────────────────────────────────────────────── */
.tab-bar {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--border);
    margin-bottom: 16px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 8px 16px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    border-radius: var(--radius) var(--radius) 0 0;
    transition: color .15s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ── Ferien list ─────────────────────────────────────── */
.ferien-list { display: flex; flex-direction: column; gap: 8px; }

.ferien-row {
    display: grid;
    grid-template-columns: 1fr 110px 110px 28px 28px 28px;
    gap: 6px;
    align-items: center;
}

.ferien-row input[type="text"],
.ferien-row input[type="date"] {
    width: 100%;
    padding: 5px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 12px;
    font-family: inherit;
}

.ferien-color-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--border);
    cursor: pointer;
    position: relative;
}
.ferien-color-btn input[type="color"] {
    position: absolute;
    width: 0; height: 0; opacity: 0; padding: 0; border: none;
}

.ferien-save-btn {
    width: 28px; height: 28px;
    padding: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px;
}

/* ── API Doku ────────────────────────────────────────── */
.api-doc { font-size: 13px; }
.api-doc h3 { font-size: 12px; font-weight: 700; margin: 14px 0 6px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; }
.api-doc h3:first-child { margin-top: 0; }
.api-entry { margin-bottom: 10px; }
.api-entry p { margin: 4px 0 2px; color: var(--text-muted); }
.api-entry code { background: var(--bg); padding: 2px 6px; border-radius: 4px; font-size: 12px; font-family: monospace; }
.api-entry pre { background: var(--bg); padding: 8px 10px; border-radius: var(--radius); font-size: 11px; font-family: monospace; margin: 4px 0 0; overflow-x: auto; line-height: 1.6; }
.api-doc > code { display: inline-block; background: var(--bg); padding: 4px 10px; border-radius: var(--radius); font-family: monospace; font-size: 12px; margin-bottom: 4px; }
.api-method { display: inline-block; font-size: 10px; font-weight: 700; padding: 2px 6px; border-radius: 3px; margin-right: 6px; font-family: monospace; vertical-align: middle; }
.api-method.get    { background: #dbeafe; color: #1d4ed8; }
.api-method.post   { background: #dcfce7; color: #15803d; }
.api-method.put    { background: #fef9c3; color: #a16207; }
.api-method.delete { background: #fee2e2; color: #dc2626; }

/* ── Import status ───────────────────────────────────── */
.import-status {
    padding: 10px 12px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 12px;
}

.import-status.success { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }
.import-status.error   { background: var(--holiday-bg); color: var(--holiday); border: 1px solid #fecaca; }

/* ── Loading ─────────────────────────────────────────── */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

.print-title { display: none; }

/* ── Print / PDF ─────────────────────────────────────── */
@media print {
    @page { size: A4 landscape; margin: 6mm; }

    body { background: #fff; }

    .app-header,
    .modal-overlay { display: none !important; }

    .print-title {
        display: block;
        text-align: center;
        font-size: 11px;
        font-weight: 700;
        margin-bottom: 3mm;
        color: #333;
    }

    .calendar-container {
        padding: 0;
        height: calc(100vh - 10mm);
        display: flex;
    }

    .year-grid {
        grid-template-columns: repeat(6, 1fr);
        grid-template-rows: repeat(2, 1fr);
        gap: 3px;
        min-width: 0;
        width: 100%;
        height: 100%;
        align-content: stretch;
    }

    .month-block {
        box-shadow: none;
        border: 1px solid #ccc;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

    .month-header {
        font-size: 7px;
        padding: 2px;
        background: #555 !important;
        flex-shrink: 0;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .day-row {
        flex: 1;
        min-height: 0;
        padding: 0 2px;
        border-bottom: 1px solid #f0f0f0;
        align-items: center;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .day-top { gap: 1px; }
    .day-wd, .day-num, .day-event, .day-kw { font-size: 6px; line-height: 1; }
    .day-location { display: none; }
    .day-note-icon { display: none !important; }

    .day-row.weekend {
        background: #e8edf5 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .day-row.holiday {
        background: #fef2f2 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}