/* ══════════════════════════════════════════════════════════════════════
   Qontesta Admin — Dark Theme
   Brand: Deep #0B2B3C, Primary #0E4D64, Teal #1A7F8E,
          Light-teal #2BB5B0, Accent #C8975A, Dorado #D4A96A
   ══════════════════════════════════════════════════════════════════════ */

:root {
    --deep: #0B2B3C;
    --primary: #0E4D64;
    --teal: #1A7F8E;
    --light-teal: #2BB5B0;
    --accent: #C8975A;
    --dorado: #D4A96A;

    --bg-body: #060F14;
    --bg-card: #0B1E29;
    --bg-sidebar: #081820;
    --bg-input: #0D2533;
    --bg-hover: #112E3E;
    --bg-modal: rgba(0, 0, 0, 0.7);

    --text-primary: #E8EDF0;
    --text-secondary: #8FA5B2;
    --text-muted: #5A7A8A;

    --border: #15384A;
    --border-focus: var(--teal);

    --success: #2ECC71;
    --danger: #E74C3C;
    --warning: #F39C12;

    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);

    --sidebar-width: 240px;
    --transition: 0.2s ease;
}

/* ── Reset ──────────────────────────────────────────────────────────── */

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

html {
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

/* ── Login Screen ───────────────────────────────────────────────────── */

.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--deep) 0%, var(--bg-body) 100%);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--light-teal), var(--dorado));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.login-help {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* ── Forms ──────────────────────────────────────────────────────────── */

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="number"],
select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color var(--transition);
}

input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px rgba(26, 127, 142, 0.2);
}

select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px rgba(26, 127, 142, 0.2);
}

input::placeholder {
    color: var(--text-muted);
}

/* ── Buttons ────────────────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--light-teal);
    border-color: var(--light-teal);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border);
}

.btn-outline:hover:not(:disabled) {
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

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

.btn-danger:hover:not(:disabled) {
    background: #c0392b;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
}

.grid-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.muted {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ── App Layout ─────────────────────────────────────────────────────── */

.app {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    min-height: 100vh;
}

/* ── Sidebar ────────────────────────────────────────────────────────── */

.sidebar {
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 0 1.25rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--light-teal), var(--dorado));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-badge {
    background: var(--accent);
    color: var(--deep);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-list {
    list-style: none;
    flex: 1;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1.25rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition);
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-link.active {
    color: var(--light-teal);
    background: rgba(43, 181, 176, 0.08);
    border-left-color: var(--light-teal);
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.admin-email {
    font-size: 0.75rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ── Main Content ───────────────────────────────────────────────────── */

.main-content {
    padding: 2rem;
    overflow-y: auto;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

/* ── KPI Cards ──────────────────────────────────────────────────────── */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.kpi-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--light-teal);
}

/* ── Dashboard insights ───────────────────────────────────────────── */

.insight-list {
    display: grid;
    gap: 0.85rem;
}

.insight-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.95rem 1rem;
    border: 1px solid rgba(21, 56, 74, 0.7);
    border-radius: var(--radius);
    background: rgba(13, 37, 51, 0.42);
}

.insight-bullet {
    width: 0.7rem;
    height: 0.7rem;
    margin-top: 0.35rem;
    border-radius: 999px;
    background: var(--light-teal);
    flex-shrink: 0;
}

.insight-text {
    color: var(--text-secondary);
    line-height: 1.6;
}

.insight-text strong {
    color: var(--text-primary);
}

/* ── Card ───────────────────────────────────────────────────────────── */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.card h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.section-copy {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    max-width: 720px;
}

/* ── Tables ─────────────────────────────────────────────────────────── */

.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table th {
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: 0.75rem 0.65rem;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 0.65rem;
    border-bottom: 1px solid rgba(21, 56, 74, 0.5);
    color: var(--text-primary);
    white-space: nowrap;
}

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

/* ── Toolbar ────────────────────────────────────────────────────────── */

.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    gap: 0.5rem;
    flex: 1;
    max-width: 400px;
    flex-wrap: wrap;
}

.search-box input {
    flex: 1;
}

.search-box-wide {
    max-width: none;
}

.search-box-wide input,
.search-box-wide select {
    min-width: 160px;
}

/* ── Pagination ─────────────────────────────────────────────────────── */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ── Modals ──────────────────────────────────────────────────────────── */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-lg);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-lg {
    max-width: 720px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal form,
.modal .table-wrapper {
    padding: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

/* ── Utility ────────────────────────────────────────────────────────── */

.status-text {
    font-size: 0.85rem;
    margin-top: 0.75rem;
}

.status-text.error {
    color: var(--danger);
}

.status-text.info {
    color: var(--text-secondary);
}

.result-text {
    font-size: 0.85rem;
    margin-top: 0.75rem;
}

.result-text.success {
    color: var(--success);
}

.result-text.error {
    color: var(--danger);
}

.code-editor {
    width: 100%;
    min-height: 18rem;
    resize: vertical;
    margin-top: 0.75rem;
    padding: 1rem;
    border-radius: 14px;
    border: 1px solid rgba(26, 127, 142, 0.18);
    background: rgba(11, 43, 60, 0.82);
    color: var(--text-primary);
    font-family: "JetBrains Mono", monospace;
    font-size: 0.82rem;
    line-height: 1.5;
}

.code-editor:focus {
    outline: none;
    border-color: rgba(43, 181, 176, 0.45);
    box-shadow: 0 0 0 4px rgba(43, 181, 176, 0.08);
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-success { background: rgba(46, 204, 113, 0.15); color: var(--success); }
.badge-warning,
.badge-warn    { background: rgba(200, 151, 90, 0.18); color: #C8975A; }
.badge-danger  { background: rgba(231, 76, 60, 0.15); color: var(--danger); }
.badge-info    { background: rgba(43, 181, 176, 0.15); color: var(--light-teal); }
.badge-muted   { background: rgba(122, 117, 108, 0.18); color: #7A756C; }

/* Cobros y facturación: filtros, feedback, tabla */
.payments-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    margin: 0.5rem 0 1rem;
    align-items: flex-end;
}
.payments-filter {
    display: flex;
    flex-direction: column;
    min-width: 140px;
}
.payments-filter label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #7A756C;
    margin-bottom: 0.25rem;
}
.payments-filter input,
.payments-filter select {
    padding: 0.4rem 0.55rem;
    border: 1px solid #E8E4DC;
    border-radius: 6px;
    background: #FFFFFF;
    font: inherit;
    color: #1A1815;
}
.payments-filter input:focus,
.payments-filter select:focus {
    outline: 2px solid #2BB5B0;
    outline-offset: 1px;
    border-color: #2BB5B0;
}
.payments-filter-actions {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
}
.payments-feedback {
    margin: 0.25rem 0 0.75rem;
    padding: 0.6rem 0.85rem;
    border-radius: 6px;
    font-size: 0.85rem;
}
.payments-feedback-success { background: rgba(46, 204, 113, 0.12); color: #1f8a4c; border: 1px solid rgba(46, 204, 113, 0.35); }
.payments-feedback-danger  { background: rgba(231, 76, 60, 0.10); color: #b3382b; border: 1px solid rgba(231, 76, 60, 0.30); }
.payments-feedback-info    { background: rgba(43, 181, 176, 0.10); color: #14787a; border: 1px solid rgba(43, 181, 176, 0.25); }
.payments-table th.num,
.payments-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.payments-table .mono { font-family: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace; font-size: 0.78rem; }
.payments-reissue-btn:disabled { opacity: 0.6; cursor: progress; }

/* ── Responsive ─────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .app {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: fixed;
        left: -100%;
        width: 260px;
        z-index: 900;
        transition: left var(--transition);
    }

    .sidebar.open {
        left: 0;
    }

    .main-content {
        padding: 1rem;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ── Cortesías y Códigos ─────────────────────────────────── */
.chip {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    line-height: 1.4;
}
.chip-teal { background: #2BB5B0; color: #FAF7F2; }
.chip-gold { background: #C8975A; color: #0E4D64; }
.chip-red { background: #c0392b; color: #FAF7F2; }
.chip-muted { background: #cbd5e1; color: #0E4D64; }

.form-group-wide { grid-column: 1 / -1; }

#codes-table-body code {
    font-family: 'JetBrains Mono', monospace;
    background: rgba(14, 77, 100, 0.08);
    padding: 2px 6px;
    border-radius: 4px;
}

.result-text.success { color: #0E4D64; }
.result-text.error { color: #c0392b; }