:root {
    --navy: #0a1628;
    --navy2: #0f2040;
    --blue: #004a99;
    --blue-light: #1a6bcc;
    --accent: #f0a500;
    --accent2: #e05c1a;
    --surface: #131f35;
    --surface2: #1a2a45;
    --border: rgba(255,255,255,0.08);
    --text: #e8edf5;
    --muted: #7a90b0;
}

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

body {
    background: var(--navy);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    min-height: 100vh;
}

/* ── PANEL ── */
.panel {
    max-width: 960px;
    margin: 0 auto 2rem;
    padding: 2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.panel-title {
    font-family: 'Syne', sans-serif;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 0.04em;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.panel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 640px) { .panel-grid { grid-template-columns: 1fr; } }

label.field-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.5rem;
}

textarea.ctrl {
    width: 100%;
    background: var(--navy2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    resize: vertical;
    outline: none;
    transition: border-color 0.2s;
    height: 90px;
}
textarea.ctrl:focus { border-color: var(--blue-light); background: #0d1e38; }
input.logo-tag-input.ctrl {
    width: 100%;
    height: 42px;
    background: var(--navy2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.45rem 0.65rem;
    color: var(--text);
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 0.88rem;
    text-align: center;
    outline: none;
    transition: border-color 0.2s, background 0.2s;
}
input.logo-tag-input.ctrl:focus {
    border-color: var(--blue-light);
    background: #0d1e38;
}

.logo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.logo-drop {
    background: var(--navy2);
    border: 2px dashed rgba(255,255,255,0.15);
    border-radius: 12px;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}
.logo-drop:hover { border-color: var(--blue-light); background: #0d1e38; }
.logo-drop img { width: 100%; height: 100%; object-fit: contain; }
.logo-drop input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.logo-placeholder { font-family: 'Syne', sans-serif; font-size: 2rem; font-weight: 800; color: rgba(255,255,255,0.12); line-height: 1; }
.logo-drop-hint { font-size: 0.62rem; color: rgba(255,255,255,0.28); font-weight: 500; letter-spacing: 0.05em; margin-top: 0.4rem; text-align: center; padding: 0 0.5rem; line-height: 1.25; }

.panel-stack {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.panel-section {
    padding: 1.15rem 1.25rem 1.2rem;
    background: rgba(0, 0, 0, 0.14);
    border: 1px solid var(--border);
    border-radius: 14px;
}

.panel-section-title {
    font-family: 'Syne', sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0 0 0.95rem;
    line-height: 1.3;
}

.panel-colors-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem 1.5rem;
    align-items: start;
}

@media (max-width: 720px) {
    .panel-colors-grid {
        grid-template-columns: 1fr;
    }
}

.color-field .field-label {
    margin-bottom: 0.45rem;
}

.field-hint {
    font-size: 0.68rem;
    color: var(--muted);
    line-height: 1.45;
    margin: 0.4rem 0 0;
    max-width: 42ch;
}

.field-hint code {
    color: var(--text);
    font-size: 0.95em;
}

.field-hint--tight {
    margin-top: 0.75rem;
    max-width: none;
}

.field-hint--small {
    font-size: 0.62rem;
    margin: 0.65rem 0 0;
    max-width: 56ch;
    opacity: 0.95;
}

.panel-actions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
}

.panel-actions-grid .btn {
    width: 100%;
    min-height: 2.65rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    line-height: 1.25;
    padding-left: 0.65rem;
    padding-right: 0.65rem;
}

.panel-backup-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 0.65rem;
}

.panel-backup-buttons .btn {
    flex: 1 1 7.5rem;
    min-height: 2.5rem;
    justify-content: center;
}

.backup-strong {
    color: var(--text);
    font-weight: 700;
}

.btn {
    padding: 0.55rem 1.2rem;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.15s;
}
.btn-ghost { background: var(--surface2); color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--navy2); color: var(--text); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-light); }
.btn-accent { background: var(--accent); color: #1a0d00; font-weight: 700; }
.btn-accent:hover { background: #ffb52b; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-danger-outline {
    border-color: rgba(220, 100, 100, 0.35);
    color: #e8a0a0;
}
.btn-danger-outline:hover {
    background: rgba(180, 40, 40, 0.2);
    color: #fff;
    border-color: rgba(255, 120, 120, 0.45);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.color-picker-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.color-picker-row input[type="color"] {
    width: 48px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    padding: 2px;
    background: var(--navy2);
}
.color-picker-row input.hex-input.ctrl {
    flex: 1;
    min-width: 140px;
    height: 42px;
    text-align: left;
    font-family: ui-monospace, 'Cascadia Code', monospace;
    letter-spacing: 0.04em;
}

/* ── DOCUMENT ── */
.doc-wrap {
    --sched-primary: #004a99;
    --sched-dark: #003a7a;
    --sched-light: #0060c0;
    --sched-hour-bg: rgba(232, 240, 251, 0.5);
    --sched-hour-text: #003a7a;
    --sched-focus-bg: #dbeeff;
    --sched-zebra: rgba(245, 248, 252, 0.45);
    --sched-zebra-hover: rgba(232, 240, 251, 0.55);
    --sched-merge-border: rgba(138, 163, 190, 0.4);
    --sched-grid: #8aa3be;
    --sched-footer-border: #c5d2e0;
    max-width: 960px;
    margin: 0 auto;
    background: #fff;
    color: #1a1a2e;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}

/* Header */
.doc-header {
    background: linear-gradient(135deg, var(--sched-dark) 0%, var(--sched-primary) 50%, var(--sched-light) 100%);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 104px;
    gap: 0.65rem;
    position: relative;
    overflow: hidden;
}
.doc-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        -45deg,
        transparent,
        transparent 14px,
        rgba(255,255,255,0.03) 14px,
        rgba(255,255,255,0.03) 15px
    );
}

.logo-circle {
    width: 88px; height: 88px;
    border-radius: 10px;
    background: rgba(255,255,255,0.12);
    border: 1.5px solid rgba(255,255,255,0.25);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
    backdrop-filter: blur(4px);
}
.logo-circle img { max-width: 90%; max-height: 90%; object-fit: contain; }

.logo-square {
    width: 88px; height: 88px;
    border-radius: 10px;
    background: rgba(255,255,255,0.12);
    border: 1.5px solid rgba(255,255,255,0.25);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
    backdrop-filter: blur(4px);
}
.logo-square img { max-width: 90%; max-height: 90%; object-fit: contain; }

/* Marcador cuando aún no hay logo (evita icono de imagen rota) */
.doc-logo-fallback {
    width: 54%;
    height: 54%;
    max-width: 52px;
    max-height: 52px;
    border: 2px dashed rgba(255,255,255,0.38);
    border-radius: 10px;
    box-sizing: border-box;
    position: relative;
    z-index: 1;
}

.header-center { flex: 1; text-align: center; padding: 0 0.6rem; position: relative; }
.header-center h2 {
    font-family: 'Syne', sans-serif;
    font-size: 1.02rem;
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1.25;
    white-space: pre-line;
    text-shadow: 0 1px 6px rgba(0,0,0,0.28);
}

.header-center textarea {
    width: 100%;
    background: rgba(255,255,255,0.1);
    border: 1px dashed rgba(255,255,255,0.3);
    border-radius: 6px;
    color: #fff;
    font-family: 'Syne', sans-serif;
    font-size: 0.92rem;
    font-weight: 800;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.35rem 0.45rem;
    resize: none;
    outline: none;
    line-height: 1.35;
}

.logo-tag { font-family: 'Syne', sans-serif; font-weight: 800; color: #fff; font-size: 0.72rem; text-align: center; margin-top: 2px; opacity: 0.9; }

/* Body */
.doc-body {
    padding: 1.5rem 1.8rem 1.2rem;
    background: #fff;
    position: relative;
}

.watermark {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 0;
    opacity: 0.1;
}
.watermark img { width: 420px; filter: grayscale(1); }
.watermark-text {
    font-family: 'Syne', sans-serif;
    font-size: 10rem;
    font-weight: 900;
    transform: rotate(-30deg);
    color: var(--sched-primary);
    opacity: 0.04;
}

/* Tables */
.doc-wrap .section-title {
    font-family: 'Syne', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--sched-primary);
    padding: 0 0 0.5rem;
    margin-bottom: 0.5rem;
    border-bottom: 2px solid var(--sched-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.doc-wrap .section-title::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--sched-light);
    border-radius: 50%;
}

table.doc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
    position: relative;
    z-index: 1;
}

.doc-wrap table.doc-table thead tr {
    background: var(--sched-primary);
    color: #fff;
}
table.doc-table th {
    padding: 0.55rem 0.7rem;
    font-family: 'Syne', sans-serif;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 2px solid var(--sched-grid);
    text-align: center;
}
table.doc-table td {
    border: 2px solid var(--sched-grid);
    padding: 0;
    text-align: center;
    vertical-align: middle;
}
.doc-wrap table.doc-table tbody tr:nth-child(even) td { background: var(--sched-zebra); }
.doc-wrap table.doc-table tbody tr:hover td { background: var(--sched-zebra-hover); }

table.doc-table input,
table.doc-table textarea {
    width: 100%;
    padding: 0.4rem 0.55rem;
    border: none;
    outline: none;
    background: transparent;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    color: #1a1a2e;
    text-align: center;
}
.doc-wrap table.doc-table input:focus,
.doc-wrap table.doc-table textarea:focus {
    background: var(--sched-focus-bg);
}
table.doc-table textarea {
    resize: none;
    height: 48px;
    display: block;
    line-height: 1.35;
}

.doc-wrap .hora-cell {
    background: var(--sched-hour-bg) !important;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 0.78rem;
    color: var(--sched-hour-text);
}
.hora-cell input {
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    font-size: 0.78rem;
}

.del-btn {
    background: none;
    border: none;
    color: #cc3333;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    line-height: 1;
    opacity: 0.5;
    transition: opacity 0.15s;
}
.del-btn:hover { opacity: 1; background: #ffeeee; }

.ta-merge-cell {
    vertical-align: middle;
    padding: 0;
}
.schedule-cell-stack {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    height: 100%;
}
.schedule-cell-text-wrap {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.3rem 0.35rem;
    min-height: 0;
}
table.doc-table .schedule-cell-text-wrap textarea {
    height: auto !important;
    min-height: 2.25rem;
    display: block;
    margin: 0 auto;
}
.merge-bar {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.25rem 0.45rem;
    padding: 0.25rem 0.35rem 0.35rem;
    border-top: 2px solid var(--sched-merge-border);
    background: rgba(255, 255, 255, 0.55);
}
.merge-bar label { font-size: 0.62rem; color: #5a6f88; font-weight: 600; }
.merge-bar select {
    font-size: 0.65rem;
    font-family: 'DM Sans', sans-serif;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    border: 2px solid var(--sched-grid);
    background: #fff;
    color: #1a1a2e;
    cursor: pointer;
}

/* Footer */
.doc-footer {
    background: #f5f8fc;
    border-top: 2px solid var(--sched-footer-border);
    padding: 0.6rem 1.5rem;
    text-align: center;
    font-size: 0.72rem;
    color: #8899aa;
    font-style: italic;
}

.gap-section { margin-bottom: 1.4rem; }

.about-app {
    max-width: 960px;
    margin: 0 auto;
    padding: 0.5rem 1rem 0;
    text-align: center;
}
.about-app .about-trigger {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
    color: var(--muted);
    border: none;
    background: transparent;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
}
.about-app .about-trigger:hover { color: var(--text); }
.about-inline {
    margin-top: 0.35rem;
    font-size: 0.7rem;
    color: var(--muted);
    line-height: 1.45;
}
.about-inline a {
    color: var(--blue-light);
    text-decoration: none;
}
.about-inline a:hover { color: var(--accent); text-decoration: underline; }

/* Print: mismo aspecto que en pantalla (incl. fondos). En el diálogo de impresión activa "Gráficos de fondo" si aún faltan colores. */
@media print {
    html { height: auto !important; }
    .app-shell { padding: 0 !important; }
    .no-print { display: none !important; }
    body {
        background: #fff !important;
        margin: 0 !important;
        padding: 0 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    .panel { display: none !important; }
    .doc-wrap,
    .doc-wrap * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    .doc-wrap {
        border-radius: 12px;
        box-shadow: none !important;
        max-width: 960px;
        width: 100%;
        margin: 0 auto;
        overflow: visible !important;
    }
    .doc-header { break-inside: avoid; page-break-inside: avoid; }
    .schedule-cell-stack {
        min-height: 100% !important;
        height: 100%;
    }
    table.doc-table input,
    table.doc-table textarea {
        background: transparent !important;
    }
    @page { margin: 12mm; size: auto; }
}

input:focus, textarea:focus { background-color: #dbeeff; }
textarea.ctrl:focus { background-color: #0d1e38; }