:root {
    --accent: #1a73e8;
    --text: #202124;
    --muted: #5f6368;
    --border: #dadce0;
    --bg: #f2f3f5;
    --ok: #188038;
    --error: #c5221f;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
}

.topbar-brand { font-weight: 600; display: flex; align-items: center; }
.topbar-logo { max-height: 32px; display: block; }

.topbar-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 16px; flex: 1; }
.topbar-nav a { color: var(--muted); text-decoration: none; padding: 6px 10px; border-radius: 6px; white-space: nowrap; }
.topbar-nav a.active, .topbar-nav a:hover { background: var(--bg); color: var(--text); }

.nav-dropdown { position: relative; }
.nav-dropdown-toggle {
    display: inline-block; color: var(--muted); text-decoration: none; padding: 6px 10px;
    border-radius: 6px; cursor: default; user-select: none; white-space: nowrap;
}
.nav-dropdown-toggle.active, .nav-dropdown:hover .nav-dropdown-toggle, .nav-dropdown-toggle:hover {
    background: var(--bg); color: var(--text);
}
/* Se oculta con visibility (no display) para poder retrasar el cierre:
   así el menú no desaparece si el ratón se sale un instante al bajar
   en diagonal hacia una opción. */
.nav-dropdown-menu {
    display: flex; visibility: hidden; opacity: 0;
    transition: opacity 0.12s ease, visibility 0s linear 0.3s;
    flex-direction: column; position: absolute; top: 100%; left: 0; margin-top: 4px;
    background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 6px;
    min-width: 190px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12); z-index: 20;
}
/* Puente invisible que cubre el hueco de margin-top entre el botón y el
   menú, para que el hover no se pierda al cruzarlo. */
.nav-dropdown-menu::before { content: ''; position: absolute; left: 0; right: 0; top: -10px; height: 10px; }
.nav-dropdown-menu a { display: block; white-space: nowrap; padding: 8px 12px; }
.nav-dropdown:hover .nav-dropdown-menu, .nav-dropdown:focus-within .nav-dropdown-menu {
    visibility: visible; opacity: 1; transition-delay: 0s;
}

.topbar-user { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 14px; }
.logout-link { color: var(--accent); text-decoration: none; }
.settings-link { display: flex; align-items: center; color: var(--muted); padding: 6px; border-radius: 6px; }
.settings-link:hover, .settings-link.active { background: var(--bg); color: var(--text); }

.content { max-width: 960px; margin: 0 auto; padding: 32px 24px 80px; }
.content.content-wide { max-width: 1320px; }

h1 { margin-bottom: 4px; }
.subtitle { color: var(--muted); margin-top: 0; margin-bottom: 20px; font-size: 14px; }
.subtitle code, .subtitle a { color: var(--accent); }
code { background: var(--bg); padding: 1px 5px; border-radius: 4px; font-size: 12px; }

.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 24px;
}

.card.hidden { display: none; }

.card > summary {
    cursor: pointer; font-size: 20px; font-weight: 700; list-style: none;
    display: flex; align-items: center; gap: 8px;
}
.card > summary::-webkit-details-marker { display: none; }
.card > summary::before { content: '\25B8'; font-size: 14px; color: var(--muted); transition: transform 0.15s ease; }
.card[open] > summary::before { transform: rotate(90deg); }
.card > summary ~ * { margin-top: 16px; }
.card > summary:first-child { margin-top: 0; }

label { display: block; font-weight: 600; font-size: 13px; margin: 16px 0 6px; }
label:first-child { margin-top: 0; }

input[type="text"], input[type="email"], input[type="password"], input[type="file"], select, textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
}

textarea { resize: vertical; }

button {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
}
button:hover { filter: brightness(0.95); }
button:disabled { opacity: 0.6; cursor: not-allowed; }

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

.search-row { display: flex; gap: 8px; margin-bottom: 16px; }
.search-row input { flex: 1; }

.filters-row { display: flex; gap: 16px; margin-bottom: 8px; }
.filters-row > div { flex: 1; }
.filters-row label { margin-top: 0; }

.table-scroll { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table-compact th, .table-compact td { padding: 7px 6px; font-size: 13px; }
.table .empty { text-align: center; color: var(--muted); padding: 24px; }
.table tfoot td { border-top: 2px solid var(--border); border-bottom: none; }
.table .actions-cell { display: flex; gap: 5px; white-space: nowrap; }
.table .actions-cell button { padding: 6px 10px; font-size: 12px; }
.table .cell-client {
    max-width: 140px; overflow: hidden; text-overflow: ellipsis;
}
.table .pvp-name-cell {
    max-width: 25ch; overflow: hidden; text-overflow: ellipsis;
}

.pager { display: flex; align-items: center; justify-content: center; gap: 16px; padding: 16px 0 4px; }
.pager span { color: var(--muted); font-size: 13px; }
.pager button { background: #fff; color: var(--text); border: 1px solid var(--border); padding: 6px 14px; font-size: 13px; }
.pager button:disabled { opacity: 0.4; cursor: not-allowed; }

.badge { padding: 3px 10px; border-radius: 12px; font-size: 12px; font-weight: 600; }
.badge-ok { background: #e6f4ea; color: var(--ok); }
.badge-error { background: #fce8e6; color: var(--error); cursor: help; }
.badge-open { background: #e8f0fe; color: var(--accent); cursor: help; margin-top: 4px; display: inline-block; }

.status-chip {
    display: inline-flex; align-items: center; gap: 3px;
    padding: 2px 7px; border-radius: 12px; font-size: 12px; font-weight: 600;
    cursor: help; margin: 1px 3px 1px 0;
}
.status-chip svg { flex-shrink: 0; }
.status-chip-none { background: var(--bg); color: var(--muted); }
.status-chip-ok { background: #e6f4ea; color: var(--ok); }
.status-chip-open { background: #e8f0fe; color: var(--accent); }
.status-chip-error { background: #fce8e6; color: var(--error); }
.status-chip-reminder { background: #f3e8fd; color: #8430ce; }

.chip-open-icon { display: inline-flex; margin-left: 2px; color: var(--accent); cursor: help; }

.pay-dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; cursor: help; vertical-align: middle; }
.pay-dot-paid { background: var(--ok); }
.pay-dot-unpaid { background: var(--error); }
.pay-dot-unknown { background: var(--border); }

.pay-pending-amount { font-size: 12px; color: var(--error); cursor: help; }

.invoice-summary {
    display: flex; flex-wrap: wrap; gap: 16px 32px; margin-bottom: 20px; padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.invoice-summary > div { display: flex; flex-direction: column; gap: 2px; flex: 0 0 auto; white-space: nowrap; }
.invoice-summary strong { font-size: 20px; }
.invoice-summary .sum-unpaid { color: var(--error); }

.amount-pos { color: var(--ok); }
.amount-neg { color: var(--error); }

.details-plain { margin: 12px 0 20px; }
.details-plain > summary {
    cursor: pointer; color: var(--accent); font-size: 13px; font-weight: 600;
    list-style: none;
}
.details-plain > summary::-webkit-details-marker { display: none; }
.details-plain > summary::before { content: '\25B8 '; }
.details-plain[open] > summary::before { content: '\25BE '; }
.details-plain > .table-scroll { margin-top: 10px; }

.summary-stat {
    cursor: pointer; padding: 8px 12px; margin: -8px -12px; border-radius: 8px;
    border: 1px solid transparent;
}
.summary-stat:hover { background: var(--bg); }
.summary-stat:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.summary-stat-active { border-color: var(--border); background: var(--bg); }
.summary-stat-disabled { cursor: default; }
.summary-stat-disabled:hover { background: none; }

.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.4);
    display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal-overlay.hidden { display: none; }
.modal {
    background: #fff; border-radius: 10px; padding: 28px; width: 480px; max-width: 90vw;
}

.editor-toolbar { display: flex; gap: 6px; margin-bottom: 6px; }
.editor-toolbar button {
    background: #fff; color: var(--text); border: 1px solid var(--border);
    padding: 6px 10px; font-size: 13px;
}
.editor {
    min-height: 180px; border: 1px solid var(--border); border-radius: 6px;
    padding: 12px; font-size: 14px; line-height: 1.6;
}
.editor:focus { outline: 2px solid var(--accent); }

.preview-frame { width: 100%; height: 480px; border: 1px solid var(--border); border-radius: 6px; }

.progress-bar { background: var(--bg); border-radius: 8px; height: 14px; overflow: hidden; }
.progress-fill { background: var(--accent); height: 100%; width: 0%; transition: width 0.3s ease; }

.alert { padding: 10px 14px; border-radius: 6px; font-size: 14px; margin: 12px 0; }
.alert-error { background: #fce8e6; color: var(--error); }
.alert-ok { background: #e6f4ea; color: var(--ok); }
.alert-open { background: #e8f0fe; color: var(--accent); }

.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 32px; }
.kpi-card {
    background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 18px 20px;
    display: flex; flex-direction: column; gap: 4px; text-decoration: none; color: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.kpi-card:hover { border-color: var(--accent); box-shadow: 0 1px 6px rgba(26, 115, 232, 0.15); }
.kpi-card .kpi-label { font-size: 13px; color: var(--muted); font-weight: 600; display: flex; align-items: center; gap: 6px; }
.kpi-icon { font-size: 15px; line-height: 1; }
.kpi-card .kpi-value { font-size: 24px; font-weight: 700; }
.kpi-card .kpi-sub { font-size: 12px; color: var(--muted); }
.kpi-card.kpi-loading .kpi-value { color: var(--muted); font-size: 15px; font-weight: 400; }
.kpi-value-empty { color: var(--muted); }

.kpi-footer {
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border);
}
.kpi-updated { font-size: 11px; color: var(--muted); }
.kpi-updated-today { color: var(--ok); font-weight: 600; }
.kpi-updated-never { font-style: italic; }
.kpi-refresh-btn {
    background: #fff; color: var(--text); border: 1px solid var(--border);
    padding: 4px 10px; font-size: 11px; border-radius: 6px; cursor: pointer; white-space: nowrap;
    flex-shrink: 0;
}
.kpi-refresh-btn:hover { border-color: var(--accent); }
.kpi-refresh-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.login-body { display: flex; align-items: center; justify-content: center; height: 100vh; }
.login-box {
    background: #fff; border-radius: 10px; padding: 32px; width: 340px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.login-box h1 { font-size: 20px; margin-bottom: 16px; }
.login-box button { width: 100%; margin-top: 20px; }

.cp-model-heading { color: var(--accent); }

@media (prefers-color-scheme: dark) {
    :root { --bg: #202124; --text: #e8eaed; --border: #3c4043; --muted: #9aa0a6; }
    .card, .kpi-card, .topbar, .modal, .login-box, .nav-dropdown-menu { background: #292a2d; }
    input, select, textarea, .editor { background: #202124; color: var(--text); border-color: var(--border); }
    .btn-secondary { background: #292a2d; color: var(--text); }
    .kpi-refresh-btn { background: #292a2d; color: var(--text); }
    .editor-toolbar button { background: #292a2d; color: var(--text); }
    .pager button { background: #292a2d; color: var(--text); }
}