/* ══════════════════════════════════════════════
   FacturasTotalPassAF — Design System
   Brand: Turquesa #00B4AD + Carbón #2D2D2D
   ══════════════════════════════════════════════ */

:root {
    --turquesa: #00B4AD;
    --turquesa-dark: #009A94;
    --turquesa-light: #33C5BF;
    --turquesa-pale: #E6F8F7;
    --carbon: #2D2D2D;
    --carbon-light: #4A4A4A;
    --carbon-lighter: #6B6B6B;
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-700: #374151;
    --red: #DC2626;
    --red-light: #FEF2F2;
    --green: #059669;
    --green-light: #ECFDF5;
    --yellow: #D97706;
    --yellow-light: #FFFBEB;
    --blue: #2563EB;
    --blue-light: #EFF6FF;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
    --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
    --radius: 8px;
    --radius-lg: 12px;
}

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

html { font-size: 15px; -webkit-font-smoothing: antialiased; }

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gray-50);
    color: var(--carbon);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--turquesa-dark); text-decoration: none; transition: color .2s; }
a:hover { color: var(--turquesa); }

/* ── LAYOUT ── */
.layout {
    min-height: 100vh;
}

/* ── SIDEBAR ── */
.sidebar {
    background: var(--carbon);
    color: var(--white);
    padding: 0;
    display: flex;
    flex-direction: column;
    position: fixed;
    width: 260px;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-logo {
    padding: 24px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo img {
    height: 32px;
    width: auto;
}

.sidebar-logo span {
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--turquesa-light);
    line-height: 1.3;
}

.sidebar-user {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    font-size: .82rem;
}

.sidebar-user .club-name {
    font-weight: 700;
    color: var(--turquesa-light);
    font-size: .9rem;
}

.sidebar-user .club-rfc {
    color: var(--gray-400);
    font-size: .75rem;
    margin-top: 2px;
    font-family: 'DM Mono', monospace;
}

.sidebar-user .user-role {
    color: var(--gray-400);
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-top: 4px;
}

.sidebar-nav { padding: 12px 0; flex: 1; }

.nav-section {
    padding: 8px 20px 4px;
    font-size: .65rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--gray-500);
    font-weight: 600;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--gray-300);
    font-size: .88rem;
    font-weight: 500;
    transition: all .15s;
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background: rgba(255,255,255,.06);
    color: var(--white);
    border-left-color: var(--turquesa);
}

.nav-link.active {
    background: rgba(0,180,173,.1);
    color: var(--turquesa-light);
    border-left-color: var(--turquesa);
}

.nav-link svg {
    width: 18px;
    height: 18px;
    opacity: .7;
    flex-shrink: 0;
}

.nav-link.active svg { opacity: 1; }

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,.08);
}

/* ── MAIN CONTENT ── */
.main-content {
    margin-left: 260px;
    padding: 32px 40px;
    min-height: 100vh;
    min-width: 0;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--carbon);
    letter-spacing: -.02em;
}

.page-subtitle {
    font-size: .88rem;
    color: var(--gray-500);
    margin-top: 2px;
}

/* ── CARDS ── */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-200);
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--carbon);
}

/* ── STAT CARDS ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--turquesa);
}

.stat-card .stat-label {
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--gray-500);
}

.stat-card .stat-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--carbon);
    margin-top: 4px;
    line-height: 1.1;
}

.stat-card .stat-value.money::before { content: '$'; font-weight: 600; }

.stat-card.accent { border-left-color: var(--green); }
.stat-card.warning { border-left-color: var(--yellow); }
.stat-card.info { border-left-color: var(--blue); }

/* ── TABLES ── */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: .88rem;
}

thead th {
    background: var(--gray-50);
    padding: 12px 16px;
    text-align: left;
    font-weight: 700;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--gray-500);
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

tbody tr:hover { background: var(--turquesa-pale); }

/* ── BADGES / STATUS ── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .03em;
    white-space: nowrap;
}

.badge-validada, .badge-programada_pago {
    background: var(--green-light);
    color: var(--green);
}

.badge-rechazada {
    background: var(--red-light);
    color: var(--red);
}

.badge-pagada {
    background: var(--blue-light);
    color: var(--blue);
}

.badge-reemplazada {
    background: var(--gray-100);
    color: var(--gray-500);
}

.badge-abierta {
    background: var(--turquesa-pale);
    color: var(--turquesa-dark);
}

.badge-cerrada {
    background: var(--yellow-light);
    color: var(--yellow);
}

/* ── BUTTONS ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: .88rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all .15s;
    text-decoration: none;
    line-height: 1.4;
}

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

.btn-primary:hover {
    background: var(--turquesa-dark);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--carbon);
}

.btn-secondary:hover {
    background: var(--gray-200);
}

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

.btn-danger:hover { background: #B91C1C; color: var(--white); }

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

.btn-sm { padding: 6px 14px; font-size: .8rem; }

.btn-outline {
    background: transparent;
    border: 2px solid var(--turquesa);
    color: var(--turquesa);
}

.btn-outline:hover {
    background: var(--turquesa);
    color: var(--white);
}

/* ── FORMS ── */
.form-group { margin-bottom: 18px; }

.form-group label {
    display: block;
    font-size: .82rem;
    font-weight: 600;
    color: var(--carbon-light);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: .9rem;
    font-family: inherit;
    color: var(--carbon);
    background: var(--white);
    transition: border-color .15s;
}

/* Ensure ALL Django-rendered form widgets inside .form-group get styled */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="file"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: .9rem;
    font-family: inherit;
    color: var(--carbon);
    background: var(--white);
    transition: border-color .15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--turquesa);
    box-shadow: 0 0 0 3px rgba(0,180,173,.15);
}

.form-input:focus {
    outline: none;
    border-color: var(--turquesa);
    box-shadow: 0 0 0 3px rgba(0,180,173,.15);
}

.form-input::placeholder { color: var(--gray-400); }

.form-help {
    font-size: .75rem;
    color: var(--gray-500);
    margin-top: 4px;
    line-height: 1.5;
}

/* Django password validator help text list */
.form-group .helptext,
.form-group ul.helptext {
    font-size: .75rem;
    color: var(--gray-500);
    margin-top: 6px;
    padding-left: 18px;
    line-height: 1.6;
}

/* Django form error lists */
.form-group .errorlist {
    list-style: none;
    padding: 0;
    margin: 6px 0 0;
}

.form-group .errorlist li {
    color: var(--red);
    font-size: .8rem;
    font-weight: 500;
    padding: 2px 0;
}

.form-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--turquesa);
}

/* ── ALERTS / MESSAGES ── */
.messages {
    list-style: none;
    margin-bottom: 20px;
}

.messages li {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: .88rem;
    margin-bottom: 8px;
    font-weight: 500;
}

.messages .success {
    background: var(--green-light);
    color: #065F46;
    border-left: 4px solid var(--green);
}

.messages .error {
    background: var(--red-light);
    color: #991B1B;
    border-left: 4px solid var(--red);
}

.messages .warning {
    background: var(--yellow-light);
    color: #92400E;
    border-left: 4px solid var(--yellow);
}

.messages .info {
    background: var(--blue-light);
    color: #1E40AF;
    border-left: 4px solid var(--blue);
}

/* ── UPLOAD AREA ── */
.upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
    transition: all .2s;
    background: var(--white);
    cursor: pointer;
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--turquesa);
    background: var(--turquesa-pale);
}

.upload-area svg { width: 48px; height: 48px; color: var(--turquesa); margin-bottom: 12px; }

.upload-area p {
    font-size: .95rem;
    color: var(--gray-500);
    margin-top: 8px;
}

/* ── FILTERS ── */
.filters {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.filters select, .filters input {
    padding: 8px 14px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: .85rem;
    font-family: inherit;
    background: var(--white);
}

.filters select:focus, .filters input:focus {
    border-color: var(--turquesa);
    outline: none;
}

/* ── ERROR LIST ── */
.error-list {
    background: var(--red-light);
    border: 1px solid #FECACA;
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 20px;
}

.error-list h4 {
    color: var(--red);
    font-size: .9rem;
    margin-bottom: 8px;
}

.error-list ul {
    list-style: none;
    font-size: .85rem;
    color: #991B1B;
}

.error-list ul li { padding: 3px 0; }
.error-list ul li::before { content: '✕ '; font-weight: bold; color: var(--red); }

/* ── DETAIL GRID ── */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.detail-item {
    padding: 12px 0;
}

.detail-item .label {
    font-size: .72rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--gray-500);
    font-weight: 600;
}

.detail-item .value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--carbon);
    margin-top: 2px;
    word-break: break-all;
}

.detail-item .value.mono {
    font-family: 'DM Mono', monospace;
    font-size: .9rem;
}

/* ── LOGIN PAGE ── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--carbon) 0%, #1a1a2e 100%);
}

.login-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
}

.login-card .logo-area {
    text-align: center;
    margin-bottom: 28px;
}

.login-card .logo-area img {
    height: 40px;
    margin-bottom: 12px;
}

.login-card .logo-area h1 {
    font-size: 1.1rem;
    color: var(--carbon);
    font-weight: 700;
}

.login-card .logo-area p {
    font-size: .82rem;
    color: var(--gray-500);
    margin-top: 4px;
}

/* ── EMPTY STATES ── */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--gray-400);
}

.empty-state svg { width: 64px; height: 64px; margin-bottom: 12px; }
.empty-state p { font-size: 1rem; margin-bottom: 16px; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
    .sidebar {
        position: fixed;
        transform: translateX(-100%);
        transition: transform .25s;
    }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; padding: 20px 16px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .mobile-toggle {
        display: flex !important;
        position: fixed;
        top: 12px;
        left: 12px;
        z-index: 200;
        background: var(--carbon);
        color: var(--white);
        border: none;
        border-radius: var(--radius);
        padding: 10px;
        cursor: pointer;
    }
    .page-title { font-size: 1.3rem; }
}

@media (min-width: 901px) {
    .mobile-toggle { display: none !important; }
    .sidebar-overlay { display: none !important; }
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.4);
    z-index: 99;
}

.sidebar-overlay.show { display: block; }

/* ── UTILITY ── */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--gray-500); }
.text-sm { font-size: .82rem; }
.text-mono { font-family: 'DM Mono', monospace; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 180px; }