@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700;800&family=Crimson+Text:wght@400;600&display=swap');

:root {
    --primary: #1a3a52;
    --primary-dark: #0f2344;
    --primary-light: #2d5a7f;
    --celeste: #a8d8ea;
    --on-primary: #ffffff;
    --secondary: #2d5a7f;
    --success: #27ae60;
    --danger: #c0392b;
    --warning: #f39c12;

    --bg: #faf8f6;
    --bg-secondary: #ffffff;
    --text: #1a1a1a;
    --text-secondary: #666666;
    --border: #e8e8e8;
    --shadow: 0 1px 3px rgba(15, 35, 68, 0.08);
    --shadow-lg: 0 10px 25px rgba(15, 35, 68, 0.12);
    --header-gradient: linear-gradient(135deg, #1a3a52 0%, #0f2344 100%);

    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Crimson Text', Georgia, serif;
}

[data-theme="dark"] {
    --primary: #a8d8ea;
    --primary-dark: #7ec2dd;
    --primary-light: #2d5a7f;
    --on-primary: #0f2344;
    --secondary: #a8d8ea;
    --success: #2ecc71;
    --danger: #e57373;
    --warning: #f5b041;

    --bg: #0f2344;
    --bg-secondary: #1a3a52;
    --text: #faf8f6;
    --text-secondary: #a8d8ea;
    --border: #2d5a7f;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.4);
    --header-gradient: linear-gradient(135deg, #2d5a7f 0%, #1a3a52 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    /* Sin esto, una pantalla con poco contenido (el login es el caso más chico)
       sólo ocupa lo que mide su contenido -- en un monitor grande queda pegada
       arriba con un vacío del color de fondo del navegador (no el de la app) por
       debajo. min-height garantiza que el fondo de la app llegue siempre hasta
       abajo del todo, incluso cuando el contenido en sí es corto. */
    min-height: 100vh;
    font-family: var(--font-body);
    font-size: 17px;
    background-color: var(--bg);
    color: var(--text);
    transition: background-color 0.3s, color 0.3s;
    line-height: 1.6;
}

h1, h2, h3, .btn {
    font-family: var(--font-display);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Logo — mismo isotipo que indelaftech.com */
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.brand-mark {
    position: relative;
    width: 38px;
    height: 38px;
    flex-shrink: 0;
}

.brand-mark svg { position: absolute; inset: 0; animation: orbit 20s linear infinite; }

@keyframes orbit {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.brand-mark .center {
    position: absolute;
    top: 13px;
    left: 13px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--celeste);
}

.brand-mark .dot {
    position: absolute;
    top: 4px;
    left: 28px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.85);
}

.brand-text .name {
    font-family: var(--font-body);
    font-weight: 800;
    font-size: 15px;
    letter-spacing: 0.5px;
    line-height: 1;
    color: inherit;
}

.brand-text .sub {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 10px;
    letter-spacing: 1.5px;
    color: var(--celeste);
    line-height: 1.4;
}

/* Header */
.header {
    background: var(--header-gradient);
    color: white;
    padding: 20px 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo h1 {
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 800;
    margin: 0;
}

.logo p {
    font-size: 12px;
    opacity: 0.85;
    margin: 0;
    font-style: italic;
}

.nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.theme-toggle {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    font-size: 16px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background 0.3s;
}

.theme-toggle:hover {
    background: rgba(255,255,255,0.25);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 22px;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.2px;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 15px 30px;
    font-size: 17px;
}

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

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text);
    border: 1px solid var(--border);
}

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

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

.btn-danger:hover {
    filter: brightness(0.9);
}

/* Borrado DEFINITIVO (hard delete, irreversible) -- distinto a propósito de
   .btn-danger (que en DEVOS es "desactivar", reversible): fondo oscuro sólido +
   borde, para que no se pueda confundir un click con el de desactivar. */
.btn-peligro {
    background-color: #7a0000;
    color: white;
    border: 1px solid #ff5252;
}

.btn-peligro:hover {
    background-color: #a50000;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, rgba(26, 58, 82, 0.06) 0%, rgba(168, 216, 234, 0.12) 100%);
    border-radius: 12px;
    margin: 40px 0;
}

.hero h2 {
    font-family: var(--font-display);
    font-size: 42px;
    margin-bottom: 20px;
    color: var(--text);
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 60px 0;
}

.feature-card {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--primary);
}

/* Login Section */
.login-section {
    padding: 40px 20px;
    margin: 40px 0;
}

.login-container {
    max-width: 400px;
    margin: 0 auto;
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.login-container h2 {
    font-family: var(--font-display);
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary);
}

.login-form {
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text);
}

.form-group small {
    display: block;
    margin-top: 6px;
    color: var(--text-secondary);
    font-size: 13px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 16px;
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    transition: border 0.3s;
}

.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(26, 58, 82, 0.12);
}

.error-message {
    color: var(--danger);
    font-size: 14px;
    margin-top: 10px;
    padding: 10px;
    background: rgba(192, 57, 43, 0.08);
    border-radius: 6px;
    display: none;
}

.error-message.show {
    display: block;
}

.success-message {
    color: var(--success);
    font-size: 14px;
    margin-top: 10px;
    padding: 10px;
    background: rgba(39, 174, 96, 0.1);
    border-radius: 6px;
    display: none;
}

.success-message.show {
    display: block;
}

.login-info {
    background: var(--bg);
    padding: 20px;
    border-radius: 6px;
    border-left: 4px solid var(--celeste);
    font-size: 14px;
    color: var(--text-secondary);
}

.login-info p {
    margin: 5px 0;
}

/* Dashboard */
.dashboard {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 30px;
    padding: 30px 0;
}

.sidebar {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 12px;
    height: fit-content;
    border: 1px solid var(--border);
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin: 6px 0;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    text-decoration: none;
    color: var(--text);
    border-radius: 6px;
    transition: all 0.2s;
    cursor: pointer;
    font-weight: 600;
}

.sidebar-menu a svg { flex-shrink: 0; opacity: 0.75; }

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: var(--primary);
    color: var(--on-primary);
}

.sidebar-menu a:hover svg,
.sidebar-menu a.active svg { opacity: 1; }

.main-content {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.main-content h2 {
    font-family: var(--font-display);
    margin-bottom: 20px;
    color: var(--primary);
}

/* Stat cards */
.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin: 20px 0;
}

.stat-card h3 {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
}

.stat-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

/* Table */
.table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.table thead {
    background: var(--bg);
    border-bottom: 2px solid var(--border);
}

.table th {
    padding: 12px;
    text-align: left;
    font-weight: 700;
    color: var(--text);
}

.table td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
}

.table tr:hover {
    background: var(--bg);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 35, 68, 0.55);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h3 {
    font-family: var(--font-display);
    margin: 0;
    color: var(--primary);
}

.close-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
    margin-top: 40px;
    font-size: 14px;
}

.footer a { color: var(--primary); }

/* RESPONSIVE — Mobile First */

/* Tablet (640px - 1023px) */
@media (min-width: 640px) {
    .container {
        padding: 0 24px;
    }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
    .container {
        padding: 0 40px;
    }
}

/* Login card — quedaba fijo en max-width:400px sin importar cuán ancha fuera
   la pantalla ("sigue viéndose chico para la pantalla web" — feedback de
   Bianca). Escala en los mismos cortes que el resto del sitio en vez de
   quedar del mismo tamaño en un celular que en un monitor de escritorio. */
@media (min-width: 640px) {
    .login-container {
        max-width: 440px;
        padding: 44px;
    }
}

@media (min-width: 1024px) {
    .login-container {
        max-width: 480px;
        padding: 56px;
    }

    .login-container h2 {
        font-size: 1.6rem;
    }
}

/* Mobile & Tablet (< 1024px) */
@media (max-width: 1023px) {
    body { font-size: 15px; }

    .header-content {
        flex-wrap: wrap;
    }

    .nav {
        width: 100%;
        justify-content: flex-end;
    }

    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        width: 280px;
        height: 100vh;
        background: var(--bg-secondary);
        box-shadow: var(--shadow-lg);
        z-index: 100;
        transition: left 0.3s;
        border-right: 1px solid var(--border);
    }

    .sidebar.open {
        left: 0;
    }

    .main-content {
        width: 100%;
        padding: 16px;
    }

    .dashboard {
        grid-template-columns: 1fr;
    }

    .dashboard-grid { grid-template-columns: 1fr !important; }

    .stats {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .stat-card {
        padding: 16px;
    }

    .table {
        font-size: 14px;
        overflow-x: auto;
    }

    .table th,
    .table td {
        padding: 10px 8px;
    }

    .form-group {
        margin-bottom: 12px;
    }

    .modal {
        width: 90% !important;
        max-width: 100% !important;
    }

    [style*="flex"] {
        flex-direction: column;
    }
}

/* Mobile (< 640px) */
@media (max-width: 639px) {
    body { font-size: 14px; }

    .container {
        padding: 0 16px;
    }

    h1 { font-size: 24px; }
    h2 { font-size: 20px; }
    h3 { font-size: 16px; }

    .header {
        padding: 12px 0;
    }

    .header-content {
        padding: 0 16px;
        flex-direction: row;
        justify-content: space-between;
    }

    .brand-text .name {
        font-size: 16px;
    }

    .brand-text .sub {
        font-size: 10px;
    }

    .nav {
        gap: 8px;
    }

    .btn {
        padding: 8px 12px;
        font-size: 14px;
    }

    .btn-block {
        width: 100%;
    }

    .sidebar {
        width: 100%;
        max-width: 280px;
        border-radius: 0 8px 8px 0;
    }

    .main-content {
        padding: 12px;
    }

    .sidebar-menu li {
        margin: 0;
    }

    .sidebar-menu .menu-item {
        padding: 10px 12px;
    }

    .content-section {
        padding: 16px 0;
    }

    .stats {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .stat-card {
        padding: 12px;
    }

    .stat-card h3 {
        font-size: 20px;
    }

    .stat-card p {
        font-size: 12px;
    }

    .table {
        font-size: 12px;
    }

    .table th,
    .table td {
        padding: 8px 4px;
    }

    .form-group {
        margin-bottom: 10px;
    }

    .form-group label {
        font-size: 14px;
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 8px;
        font-size: 16px;
    }

    input[type="text"],
    input[type="email"],
    input[type="password"],
    textarea,
    select {
        max-width: 100%;
    }

    .modal {
        padding: 16px !important;
        width: 95% !important;
    }

    .modal-header {
        font-size: 18px;
    }

    .alert {
        padding: 12px;
        font-size: 13px;
    }

    .login-container {
        width: 100%;
        padding: 16px;
    }

    .login-form {
        gap: 12px;
    }
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Alert */
.alert {
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(39, 174, 96, 0.1);
    color: var(--success);
    border-left-color: var(--success);
}

.alert-danger {
    background: rgba(192, 57, 43, 0.08);
    color: var(--danger);
    border-left-color: var(--danger);
}

.alert-info {
    background: rgba(26, 58, 82, 0.06);
    color: var(--primary);
    border-left-color: var(--celeste);
}