/* ============================================================
   HSOTA - Historic Sites on the Air
   Identidad visual calibrada desde el logo oficial:
   vino tinto (#5C1530) + terracota (#B0562F) + dorado (#A8823C)
   sobre fondo claro neutro. Look moderno, no "vintage".
   ============================================================ */

:root {
    --paper:        #FAFAF9;
    --paper-deep:   #F1EEEA;
    --ink:          #241A1D;
    --ink-soft:     #5C5250;
    --wine:         #5C1530;
    --wine-dark:    #3D0E20;
    --terracotta:   #B0562F;
    --gold:         #A8823C;
    --verdigris:    #5C7259;
    --brick:        #A33D2E;
    --line:         #E3DCD3;

    --font-display: 'Playfair Display', Georgia, serif;
    --font-body:    'Source Sans 3', 'Segoe UI', sans-serif;
    --font-mono:    'JetBrains Mono', 'Courier New', monospace;

    --radius:    10px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 2px rgba(36,26,29,0.07);
    --shadow-md: 0 6px 20px rgba(36,26,29,0.09);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background-color: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
}

a {
    color: var(--terracotta);
    text-decoration: none;
    border-bottom: 1px solid transparent;
}

a:hover, a:focus {
    border-bottom-color: var(--terracotta);
}

a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
    outline: 2px solid var(--verdigris);
    outline-offset: 2px;
    border-radius: 2px;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.005em;
    margin: 0 0 0.4em 0;
    color: var(--wine);
}

h1 { font-size: 2.5rem; line-height: 1.15; }
h2 { font-size: 1.65rem; }
h3 { font-size: 1.2rem; }

.mono {
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
}

/* --- Estructura general --- */

.site-header {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.6rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

.site-header-inner {
    max-width: 1120px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.brand {
    display: flex;
    align-items: center;
}

.brand-link {
    display: flex;
    align-items: center;
    border-bottom: none !important;
}

.brand-logo {
    height: 80px;
    width: auto;
    display: block;
}

nav.main-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.92rem;
}

/* Fallback solo para navegadores muy antiguos sin soporte de "gap"
   en flexbox (ej. motores WebKit viejos usados por algunas
   herramientas de captura de pantalla). Los navegadores modernos
   usan el "gap" de arriba y nunca activan esta regla. */
@supports not (gap: 1px) {
    nav.main-nav a {
        margin-left: 1.5rem;
    }
    nav.main-nav a:first-child {
        margin-left: 0;
    }
}

nav.main-nav a {
    color: var(--ink-soft);
    border-bottom: none;
    font-weight: 600;
    transition: color 0.15s ease;
}

nav.main-nav a:hover {
    color: var(--terracotta);
}

nav.main-nav a.btn {
    color: var(--paper);
}

.lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    margin-left: 0.4rem;
}

.lang-switch a {
    color: var(--ink-soft);
    font-weight: 600;
    border-bottom: none;
    padding: 0.15rem 0.3rem;
}

.lang-switch a.active {
    color: var(--terracotta);
    background: rgba(176,86,47,0.1);
    border-radius: var(--radius-sm);
}

.lang-switch .lang-sep {
    color: var(--line);
}

main.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 4rem;
}

main.container.narrow {
    max-width: 640px;
}

.narrow-wrap {
    max-width: 520px;
    margin: 0 auto;
}

.site-footer {
    border-top: 1px solid var(--line);
    text-align: center;
    padding: 1.8rem;
    font-size: 0.8rem;
    color: var(--ink-soft);
    font-family: var(--font-mono);
}

/* --- Placa / tarjeta de sitio historico (elemento de firma) ---
   Tarjeta moderna con esquinas redondeadas y sombra suave,
   con una etiqueta de referencia a modo de sello. */

.plaque {
    background: #FFFFFF;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem 1.7rem;
    margin: 0 0 1.4rem 0;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.plaque:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.plaque-ref {
    display: inline-block;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    color: var(--paper);
    background: var(--terracotta);
    border-radius: var(--radius-sm);
    padding: 0.2rem 0.6rem;
    margin-bottom: 0.7rem;
}

.plaque h3 {
    margin-bottom: 0.3rem;
    color: var(--ink);
}

.plaque-meta {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--ink-soft);
}

/* --- Tarjetas genericas / paneles --- */

.panel {
    background: #FFFFFF;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem 1.7rem;
    margin-bottom: 1.4rem;
}

.panel-tight {
    padding: 1rem 1.2rem;
}

/* --- Hero / portada --- */

.hero {
    background: linear-gradient(135deg, var(--wine) 0%, var(--wine-dark) 100%);
    color: var(--paper);
    border-radius: var(--radius);
    padding: 2.4rem 2rem;
    margin-bottom: 1.8rem;
    box-shadow: var(--shadow-md);
}

.hero h1 {
    color: var(--paper);
}

.hero p {
    color: #EADCD9;
}

.hero .mono {
    color: #E3B98C;
}

/* --- Formularios --- */

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin: 0.9rem 0 0.35rem;
    color: var(--ink-soft);
}

label .opt {
    font-weight: 400;
    color: var(--ink-soft);
    opacity: 0.7;
}

input[type=text], input[type=email], input[type=password],
input[type=date], input[type=number], input[type=file],
select, textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: #FFFFFF;
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color 0.15s ease;
}

input.mono-input {
    font-family: var(--font-mono);
    text-transform: uppercase;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--terracotta);
}

.field-hint {
    font-size: 0.78rem;
    color: var(--ink-soft);
    margin-top: 0.3rem;
}

.btn {
    display: inline-block;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.92rem;
    padding: 0.65rem 1.4rem;
    border: 1px solid var(--wine);
    border-radius: var(--radius-sm);
    background: var(--wine);
    color: var(--paper);
    cursor: pointer;
    text-align: center;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.btn:hover {
    background: var(--terracotta);
    border-color: var(--terracotta);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--wine);
    border: 1px solid var(--wine);
}

.btn-outline:hover {
    background: var(--wine);
    color: var(--paper);
}

.btn-on-hero {
    background: transparent;
    color: var(--paper);
    border: 1px solid var(--paper);
}

.btn-on-hero:hover {
    background: var(--paper);
    color: var(--wine);
}

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

/* --- Tablas --- */

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    background: #FFFFFF;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

table caption {
    text-align: left;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--ink-soft);
    margin-bottom: 0.5rem;
}

th, td {
    text-align: left;
    padding: 0.65rem 0.8rem;
    border-bottom: 1px solid var(--line);
}

th {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-soft);
    background: var(--paper-deep);
    border-bottom: 2px solid var(--terracotta);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: rgba(176,86,47,0.05);
}

.callsign {
    font-family: var(--font-mono);
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--wine);
}

/* --- Alertas / mensajes --- */

.alert {
    padding: 0.85rem 1.1rem;
    margin-bottom: 1.2rem;
    border-left: 4px solid;
    border-radius: var(--radius-sm);
    font-size: 0.92rem;
}

.alert-error {
    background: rgba(163,61,46,0.07);
    border-color: var(--brick);
    color: var(--brick);
}

.alert-success {
    background: rgba(92,114,89,0.09);
    border-color: var(--verdigris);
    color: #445744;
}

.alert ul {
    margin: 0.3rem 0 0 1.1rem;
    padding: 0;
}

/* --- Utilidades --- */

.muted { color: var(--ink-soft); }
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}
.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--ink-soft);
    font-style: italic;
    background: #FFFFFF;
    border: 1px dashed var(--line);
    border-radius: var(--radius);
}

@media (max-width: 640px) {
    h1 { font-size: 1.9rem; }
    .site-header-inner { flex-direction: column; align-items: flex-start; }
    nav.main-nav { gap: 1rem; flex-wrap: wrap; }
    .brand-logo { height: 56px; }
}