/* ═══════════════════════════════════════════════════
   MeuSistema - CSS Framework
   Bootstrap 5.3 + Custom Design System
   ═══════════════════════════════════════════════════ */

:root {
    --sidebar-w: 260px;
    --navbar-h: 60px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --primary: #667eea;
    --primary-hover: #5a6fe0;
    --success: #2ecc71;
    --warning: #f39c12;
    --danger: #e74c3c;
    --info: #3498db;
    --radius: 10px;
    --radius-sm: 6px;
    --transition: 0.25s ease;
}

/* Light */
[data-bs-theme="light"] {
    --bg: #f0f2f5;
    --surface: #ffffff;
    --surface-hover: #f8f9fa;
    --sidebar-bg: #1e1e2e;
    --sidebar-text: #cdd6f4;
    --sidebar-dim: #6c7086;
    --sidebar-hover: rgba(255,255,255,.08);
    --sidebar-active: rgba(137,180,250,.15);
    --navbar-bg: #ffffff;
    --text: #1e1e2e;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --border: #e9ecef;
    --shadow: 0 1px 3px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 40px rgba(0,0,0,.08);
}

/* Dark */
[data-bs-theme="dark"] {
    --bg: #11111b;
    --surface: #1e1e2e;
    --surface-hover: #313244;
    --sidebar-bg: #181825;
    --navbar-bg: #1e1e2e;
    --text: #cdd6f4;
    --text-secondary: #a6adc8;
    --text-muted: #585b70;
    --border: #313244;
    --shadow: 0 1px 3px rgba(0,0,0,.2);
    --shadow-lg: 0 10px 40px rgba(0,0,0,.3);
}

* { box-sizing: border-box; }
body { font-family: var(--font); background: var(--bg); color: var(--text); margin: 0; font-size: .875rem; -webkit-font-smoothing: antialiased; }

/* ── LAYOUT ────────────────────────────────────── */
.app-wrapper { display: flex; min-height: 100vh; }
.app-sidebar {
    width: var(--sidebar-w); background: var(--sidebar-bg); color: var(--sidebar-text);
    display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0;
    z-index: 1040; transition: transform var(--transition); box-shadow: 2px 0 10px rgba(0,0,0,.1);
}
.app-main { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; min-height: 100vh; transition: margin-left var(--transition); }
.app-navbar {
    height: var(--navbar-h); background: var(--navbar-bg); border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between; padding: 0 24px;
    position: sticky; top: 0; z-index: 1020; box-shadow: var(--shadow);
}
.app-content { flex: 1; padding: 24px; }
.app-footer { height: 40px; background: var(--surface); border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 24px; font-size: .75rem; color: var(--text-muted); }
.app-footer strong { color: var(--primary); }

/* ── SIDEBAR ───────────────────────────────────── */
.sidebar-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,.06); min-height: var(--navbar-h); }
.sidebar-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
.sidebar-brand img { width: 36px; height: 36px; border-radius: 8px; }
.sidebar-brand span { font-size: 1.05rem; font-weight: 700; letter-spacing: -.02em; }
.sidebar-close { background: none; border: none; color: var(--sidebar-dim); font-size: 1.2rem; cursor: pointer; display: none; }
.sidebar-menu { flex: 1; overflow-y: auto; padding: 8px 12px; }
.sidebar-menu::-webkit-scrollbar { width: 4px; }
.sidebar-menu::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 4px; }

.menu-section { font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--sidebar-dim); padding: 16px 12px 6px; }
.menu-item { margin-bottom: 2px; }
.menu-link {
    display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--radius-sm);
    color: var(--sidebar-text); text-decoration: none; font-size: .84rem; font-weight: 500; transition: all .15s; cursor: pointer;
}
.menu-link:hover { background: var(--sidebar-hover); color: var(--sidebar-text); }
.menu-link.active { background: var(--sidebar-active); color: var(--primary); }
.menu-link i { width: 20px; text-align: center; font-size: 1rem; opacity: .8; }
.menu-sub { padding-left: 20px; }
.menu-sub .menu-link { padding: 8px 14px; font-size: .82rem; color: var(--sidebar-dim); }
.menu-sub .menu-link:hover { color: var(--sidebar-text); }
.menu-toggle::after { content: ''; display: inline-block; width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid var(--sidebar-dim); margin-left: auto; transition: transform .2s; }
.menu-toggle[aria-expanded="true"]::after { transform: rotate(180deg); }

.sidebar-footer { padding: 12px 16px; border-top: 1px solid rgba(255,255,255,.06); }
.theme-toggle { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius-sm); color: var(--sidebar-dim); cursor: pointer; font-size: .82rem; transition: all .15s; background: none; border: none; width: 100%; }
.theme-toggle:hover { background: var(--sidebar-hover); color: var(--sidebar-text); }

/* ── NAVBAR ────────────────────────────────────── */
.navbar-left { display: flex; align-items: center; gap: 16px; }
.navbar-right { display: flex; align-items: center; gap: 8px; }
.hamburger { background: none; border: none; font-size: 1.3rem; color: var(--text-secondary); cursor: pointer; padding: 6px; border-radius: var(--radius-sm); display: none; }
.hamburger:hover { background: var(--surface-hover); color: var(--text); }
.nav-btn { background: none; border: none; width: 38px; height: 38px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--text-secondary); cursor: pointer; transition: all .15s; font-size: 1.05rem; }
.nav-btn:hover { background: var(--surface-hover); color: var(--text); }

/* ── USER DROPDOWN ─────────────────────────────── */
.user-dropdown { position: relative; }
.user-btn { display: flex; align-items: center; gap: 8px; padding: 6px 12px; background: none; border: 1px solid var(--border); border-radius: var(--radius); cursor: pointer; color: var(--text); font-size: .82rem; }
.user-btn:hover { background: var(--surface-hover); }
.user-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .75rem; }
.user-menu { position: absolute; right: 0; top: 100%; margin-top: 6px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg); min-width: 180px; z-index: 1050; display: none; }
.user-menu.open { display: block; }
.user-menu a { display: flex; align-items: center; gap: 8px; padding: 10px 16px; color: var(--text); text-decoration: none; font-size: .82rem; transition: background .1s; }
.user-menu a:hover { background: var(--surface-hover); }
.user-menu a.danger { color: var(--danger); }
.user-menu hr { margin: 4px 0; border-color: var(--border); }

/* ── CARDS ──────────────────────────────────────── */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-header { background: transparent; border-bottom: 1px solid var(--border); padding: 16px 20px; font-weight: 600; font-size: .9rem; }
.card-body { padding: 20px; }

/* ── STAT CARDS ─────────────────────────────────── */
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; display: flex; align-items: center; gap: 16px; box-shadow: var(--shadow); transition: transform .15s, box-shadow .15s; cursor: pointer; text-decoration: none; color: var(--text); }
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); color: var(--text); }
.stat-icon { width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; flex-shrink: 0; }
.stat-value { font-size: 1.5rem; font-weight: 700; display: block; line-height: 1; }
.stat-label { font-size: .78rem; color: var(--text-secondary); margin-top: 2px; display: block; }

/* ── ACTION CARDS ──────────────────────────────── */
.action-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; text-align: center; text-decoration: none; color: var(--text); transition: all .15s; display: flex; flex-direction: column; align-items: center; gap: 8px; box-shadow: var(--shadow); }
.action-card:hover { border-color: var(--primary); background: rgba(102,126,234,.04); color: var(--primary); transform: translateY(-2px); }
.action-card i { font-size: 1.5rem; }
.action-card span { font-size: .82rem; font-weight: 500; }

/* ── TABLES ────────────────────────────────────── */
.table { font-size: .84rem; }
.table th { background: var(--surface-hover); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--text-secondary); border-bottom: 2px solid var(--border); white-space: nowrap; }
.table td { vertical-align: middle; }
.table-hover tbody tr:hover { background: var(--surface-hover); }

/* ── BUTTONS ───────────────────────────────────── */
.btn { font-family: var(--font); font-weight: 500; border-radius: var(--radius-sm); font-size: .84rem; }
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-sm { padding: 4px 12px; font-size: .78rem; }
.btn-icon { width: 32px; height: 32px; padding: 0; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); }

/* ── FORMS ──────────────────────────────────────── */
.form-control, .form-select { font-family: var(--font); border-radius: var(--radius-sm); border: 1px solid var(--border); font-size: .84rem; padding: 8px 12px; }
.form-control:focus, .form-select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(102,126,234,.15); }
.form-label { font-weight: 500; font-size: .82rem; color: var(--text-secondary); margin-bottom: 4px; }

/* ── BADGES ────────────────────────────────────── */
.badge { font-weight: 500; font-size: .72rem; border-radius: 20px; padding: 4px 10px; }
.badge-active { background: rgba(46,204,113,.15); color: var(--success); }
.badge-inactive { background: rgba(231,76,60,.15); color: var(--danger); }

/* ── ALERTS ────────────────────────────────────── */
.alert { border-radius: var(--radius-sm); border: none; font-size: .84rem; padding: 12px 16px; display: flex; align-items: center; gap: 10px; }
.alert-dismissible { padding-right: 40px; }

/* ── TOAST ──────────────────────────────────────── */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 9999; }
.toast { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 14px 20px; margin-bottom: 10px; font-size: .84rem; display: flex; align-items: center; gap: 10px; animation: slideIn .3s ease; min-width: 300px; }
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--info); }
.toast.warning { border-left: 4px solid var(--warning); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes fadeOut { to { opacity: 0; transform: translateY(-10px); } }

/* ── PAGINATION ─────────────────────────────────── */
.pagination { gap: 4px; }
.page-link { border-radius: var(--radius-sm); font-size: .82rem; padding: 6px 12px; color: var(--text); border: 1px solid var(--border); }
.page-link:hover { background: var(--surface-hover); color: var(--primary); }
.page-item.active .page-link { background: var(--primary); border-color: var(--primary); }

/* ── LOGIN PAGE ─────────────────────────────────── */
.login-bg { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); position: relative; overflow: hidden; }
.login-bg::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 30px 30px; animation: bgMove 60s linear infinite; }
@keyframes bgMove { 0% { transform: translate(0,0); } 100% { transform: translate(30px,30px); } }
.login-card { position: relative; z-index: 1; background: rgba(255,255,255,.95); backdrop-filter: blur(20px); border-radius: 20px; padding: 48px 40px; box-shadow: 0 25px 60px rgba(0,0,0,.15); width: 100%; max-width: 420px; }
[data-bs-theme="dark"] .login-card { background: rgba(30,30,46,.95); }
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo .icon { width: 64px; height: 64px; border-radius: 16px; background: linear-gradient(135deg, #667eea, #764ba2); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 1.8rem; margin-bottom: 16px; }
.login-logo h1 { font-size: 1.4rem; font-weight: 700; margin-bottom: 4px; }
.login-logo p { font-size: .85rem; color: var(--text-secondary); margin: 0; }

/* ── OVERLAY MOBILE ─────────────────────────────── */
.sidebar-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,.5); z-index: 1035; }

/* ── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 991.98px) {
    .app-sidebar { transform: translateX(calc(var(--sidebar-w) * -1)); }
    .app-main { margin-left: 0; }
    .hamburger { display: flex; }
    .sidebar-close { display: block; }
    body.sidebar-open .app-sidebar { transform: translateX(0); }
    body.sidebar-open .sidebar-overlay { display: block; }
}

@media (max-width: 575.98px) {
    .app-content { padding: 16px; }
    .app-navbar { padding: 0 16px; }
    .stat-card { padding: 16px; }
}

/* ── ANIMATIONS ─────────────────────────────────── */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.app-content > * { animation: fadeIn .2s ease-out; }

/* ── MODAL CONFIRM ──────────────────────────────── */
.modal-confirm .modal-body { text-align: center; padding: 32px 24px; }
.modal-confirm .modal-body i { font-size: 3rem; color: var(--warning); margin-bottom: 16px; }