/* ─────────────────────────────────────────────
   Prudens Registro — Main Stylesheet
   ───────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&family=DM+Mono:wght@400;500&display=swap');

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; }

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-hover); }

img { max-width: 100%; display: block; }

/* ── App Layout ── */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--primary);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-brand {
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-brand .brand-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-text);
    letter-spacing: 0.02em;
}

.sidebar-brand .brand-sub {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.55);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-top: 2px;
}

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

.nav-section-label {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    padding: 12px 20px 4px;
    margin-top: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 20px;
    color: rgba(255,255,255,0.75);
    font-size: 0.875rem;
    font-weight: 400;
    cursor: pointer;
    transition: var(--transition);
    border-left: 3px solid transparent;
    text-decoration: none;
}

.nav-item:hover {
    background: rgba(255,255,255,0.08);
    color: var(--primary-text);
    border-left-color: rgba(255,255,255,0.3);
}

.nav-item.active {
    background: rgba(255,255,255,0.12);
    color: var(--primary-text);
    font-weight: 600;
    border-left-color: var(--primary-light);
}

.nav-item .nav-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.85;
}

.nav-sub {
    padding-left: 48px;
}

.nav-sub .nav-item {
    font-size: 0.825rem;
    padding: 7px 20px 7px 0;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.sidebar-footer .user-name {
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255,255,255,0.8);
}

.sidebar-footer .logout-link {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.45);
    display: inline-block;
    margin-top: 4px;
}

.sidebar-footer .logout-link:hover {
    color: rgba(255,255,255,0.8);
}

/* ── Main Content ── */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ── Top Bar ── */
.topbar {
    height: var(--topbar-height);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow);
}

.topbar-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ── Page Content ── */
.page-content {
    padding: 28px;
    flex: 1;
}

/* ── Cards ── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}

.card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ── KPI Cards ── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px 22px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.kpi-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.kpi-value.amber { color: var(--primary-mid); }
.kpi-value.danger { color: var(--danger); }
.kpi-value.success { color: var(--success); }
.kpi-value.warning { color: var(--warning); }

.kpi-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 6px;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 18px;
    border-radius: var(--radius);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-mid);
    color: #fff;
}
.btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
}

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
}
.btn-secondary:hover {
    background: var(--surface-alt);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover {
    background: #8a2424;
    color: #fff;
}

.btn-sm {
    padding: 5px 12px;
    font-size: 0.8rem;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-ghost:hover {
    background: var(--surface-alt);
    color: var(--text-primary);
}

/* ── Tables ── */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

thead {
    background: var(--surface-alt);
}

thead th {
    padding: 11px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

tbody tr {
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

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

tbody tr:hover { background: var(--surface-alt); }

tbody td {
    padding: 11px 16px;
    color: var(--text-primary);
    vertical-align: middle;
}

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

.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-control {
    width: 100%;
    padding: 9px 13px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--surface);
    transition: var(--transition);
    outline: none;
}

.form-control::placeholder { color: var(--text-placeholder); }

.form-control:focus {
    border-color: var(--primary-mid);
    box-shadow: 0 0 0 3px rgba(133, 79, 11, 0.12);
}

select.form-control { cursor: pointer; }

textarea.form-control { resize: vertical; min-height: 90px; }

.form-hint {
    font-size: 0.75rem;
    color: var(--text-placeholder);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

/* ── Badges / Status Pills ── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 99px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.badge-amber    { background: var(--primary-light); color: var(--primary); }
.badge-success  { background: var(--success-light); color: var(--success); }
.badge-warning  { background: var(--warning-light); color: var(--warning); }
.badge-danger   { background: var(--danger-light);  color: var(--danger); }
.badge-info     { background: var(--info-light);    color: var(--info); }
.badge-neutral  { background: var(--surface-alt);   color: var(--text-secondary); }

/* ── Alerts ── */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 13px 16px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    margin-bottom: 20px;
    border: 1px solid transparent;
}

.alert-success { background: var(--success-light); color: var(--success); border-color: #a8d5b5; }
.alert-error   { background: var(--danger-light);  color: var(--danger);  border-color: #e8b4b4; }
.alert-warning { background: var(--warning-light); color: var(--warning); border-color: #f0c899; }
.alert-info    { background: var(--info-light);    color: var(--info);    border-color: #a8ccdf; }

/* ── Page Header ── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

.page-header p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ── Mono (for numbers, codes) ── */
.mono {
    font-family: 'DM Mono', monospace;
    font-size: 0.85rem;
}

/* ── Utility ── */
.text-right  { text-align: right; }
.text-center { text-align: center; }
.text-muted  { color: var(--text-secondary); }
.text-small  { font-size: 0.8rem; }
.text-danger { color: var(--danger); }
.text-success{ color: var(--success); }
.text-amber  { color: var(--primary-mid); }
.fw-600      { font-weight: 600; }
.mt-4        { margin-top: 4px; }
.mt-8        { margin-top: 8px; }
.mt-16       { margin-top: 16px; }
.mt-24       { margin-top: 24px; }
.mb-16       { margin-bottom: 16px; }
.mb-24       { margin-bottom: 24px; }
.gap-12      { gap: 12px; }
.flex        { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.grid-2      { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3      { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

/* ── Login Page ── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background);
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 40px 36px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

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

.login-logo .brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.01em;
}

.login-logo .sub {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 3px;
}

/* ── Empty State ── */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}

.empty-state svg {
    margin: 0 auto 16px;
    opacity: 0.35;
}

.empty-state h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.empty-state p {
    font-size: 0.85rem;
}

/* ── Divider ── */
.divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 20px 0;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-placeholder); }

/* ── Responsive ── */
@media (max-width: 900px) {
    .sidebar { transform: translateX(-100%); }
    .main-content { margin-left: 0; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}