/* ============================================================
   DEXON PAINEL - Stylesheet
   Visual escuro profissional inspirado em dashboards modernos
   ============================================================ */
:root {
    --bg-0: #0a0a12;
    --bg-1: #11111c;
    --bg-2: #16162a;
    --bg-3: #1c1c33;
    --bg-4: #232342;
    --line: rgba(255,255,255,0.08);
    --line-2: rgba(255,255,255,0.04);
    --text-0: #ffffff;
    --text-1: #d8d8e8;
    --text-2: #9a9ab0;
    --text-3: #5e5e75;
    --primary: #e10600;
    --primary-d: #b30500;
    --primary-l: #ff3838;
    --accent: #7c5cff;
    --success: #4caf50;
    --warning: #ffb300;
    --danger: #f44336;
    --info: #2196f3;
    --shadow: 0 18px 40px rgba(0,0,0,0.45);
    --radius: 10px;
    --r-sm: 6px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
    height: 100%;
    background: var(--bg-0);
    color: var(--text-1);
    font-family: -apple-system, "SF Pro Text", "Segoe UI", Roboto, Inter, sans-serif;
    -webkit-font-smoothing: antialiased;
    font-size: 14px;
    line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }

/* ===================== LAYOUT SHELL ===================== */
.app-shell {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

/* ===================== SIDEBAR ===================== */
.sidebar {
    background: linear-gradient(180deg, var(--bg-1), var(--bg-0));
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
}
.sidebar-brand {
    padding: 22px 24px 18px;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-mark {
    width: 34px; height: 34px;
    background: linear-gradient(135deg, var(--primary), var(--primary-d));
    color: #fff;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-weight: 900; font-size: 18px;
    box-shadow: 0 8px 18px rgba(225,6,0,0.4);
}
.brand-name { font-weight: 800; letter-spacing: 1px; color: var(--text-0); }
.brand-sub { font-size: 12px; color: var(--text-3); margin-left: 6px; padding: 2px 6px; background: var(--bg-3); border-radius: 4px; }

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 10px 20px;
}
.sidebar-nav::-webkit-scrollbar { width: 6px; }
.sidebar-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
.nav-group {
    padding: 14px 12px 6px;
    font-size: 11px;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px;
    margin: 1px 0;
    border-radius: var(--r-sm);
    color: var(--text-2);
    transition: all 0.15s;
    font-size: 14px;
    position: relative;
}
.nav-item:hover { background: var(--bg-2); color: var(--text-0); }
.nav-item.active {
    background: linear-gradient(90deg, rgba(225,6,0,0.18), transparent);
    color: var(--text-0);
}
.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0; top: 8px; bottom: 8px;
    width: 3px;
    background: var(--primary);
    border-radius: 0 3px 3px 0;
}
.nav-ico { width: 22px; text-align: center; color: var(--primary); font-size: 16px; }
.nav-label { flex: 1; }
.nav-badge { background: var(--primary); color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 10px; }

.sidebar-foot { padding: 14px; border-top: 1px solid var(--line); }
.user-card { display: flex; align-items: center; gap: 10px; }
.user-avatar {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    border-radius: 50%;
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800;
}
.user-info { flex: 1; min-width: 0; }
.user-name { font-weight: 600; color: var(--text-0); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 12px; color: var(--text-3); }
.user-logout {
    width: 30px; height: 30px;
    background: var(--bg-3);
    border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-2);
    transition: all 0.2s;
}
.user-logout:hover { background: var(--danger); color: #fff; }

/* ===================== MAIN ===================== */
.main { display: flex; flex-direction: column; min-width: 0; }
.topbar {
    height: 64px;
    border-bottom: 1px solid var(--line);
    background: rgba(11,11,18,0.85);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 10;
}
.page-title { font-size: 22px; font-weight: 700; color: var(--text-0); letter-spacing: 0.3px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.clock { color: var(--text-2); font-size: 13px; font-family: 'SF Mono', Consolas, monospace; }
.credits-pill {
    background: linear-gradient(135deg, rgba(225,6,0,0.18), rgba(225,6,0,0.05));
    border: 1px solid rgba(225,6,0,0.35);
    padding: 6px 14px;
    border-radius: 20px;
    display: flex; align-items: center; gap: 8px;
}
.credits-label { font-size: 12px; color: var(--text-2); }
.credits-value { color: var(--primary-l); font-size: 16px; font-weight: 700; }

.content { padding: 28px; }

/* ===================== FLASH ===================== */
.flash {
    padding: 12px 18px;
    border-radius: var(--r-sm);
    margin-bottom: 20px;
    border-left: 3px solid;
    font-size: 14px;
}
.flash-success { background: rgba(76,175,80,0.12); border-color: var(--success); color: #9bd49d; }
.flash-error   { background: rgba(244,67,54,0.12); border-color: var(--danger);  color: #ff9a93; }
.flash-warn    { background: rgba(255,179,0,0.12); border-color: var(--warning); color: #ffd87a; }
.flash-info    { background: rgba(33,150,243,0.12); border-color: var(--info);  color: #93c7f5; }

/* ===================== CARDS ===================== */
.card {
    background: var(--bg-1);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
    margin-bottom: 20px;
}
.card-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line-2);
}
.card-title { font-size: 17px; font-weight: 700; color: var(--text-0); }
.card-sub { font-size: 13px; color: var(--text-3); margin-top: 2px; }

/* ===================== STATS GRID ===================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: linear-gradient(135deg, var(--bg-1), var(--bg-2));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px 22px;
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; right: -20px; width: 120px; height: 120px;
    background: radial-gradient(circle at center, rgba(225,6,0,0.16), transparent 70%);
    pointer-events: none;
}
.stat-label { font-size: 12px; color: var(--text-3); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.stat-value { font-size: 32px; font-weight: 800; color: var(--text-0); letter-spacing: -0.5px; }
.stat-delta { font-size: 13px; color: var(--success); margin-top: 6px; }
.stat-delta.down { color: var(--danger); }
.stat-icon { position: absolute; top: 18px; right: 18px; color: var(--primary); font-size: 22px; opacity: 0.7; }

/* ===================== TABLE ===================== */
.table-wrap {
    background: var(--bg-1);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 20px;
}
.table-tools {
    padding: 16px 20px;
    border-bottom: 1px solid var(--line);
    display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
    background: var(--bg-2);
}
.table-tools .grow { flex: 1; }
table.data {
    width: 100%;
    border-collapse: collapse;
}
table.data thead th {
    background: var(--bg-2);
    color: var(--text-2);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
}
table.data tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--line-2);
    color: var(--text-1);
}
table.data tbody tr:hover { background: rgba(255,255,255,0.02); }
table.data .cell-mono { font-family: 'SF Mono', Consolas, monospace; font-size: 13px; color: var(--text-2); }
table.data .cell-actions { white-space: nowrap; text-align: right; }
table.data .row-empty td { text-align: center; padding: 40px; color: var(--text-3); }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-success { background: rgba(76,175,80,0.18); color: #91d394; }
.badge-warn    { background: rgba(255,179,0,0.18); color: #ffd680; }
.badge-danger  { background: rgba(244,67,54,0.18); color: #ff9a93; }
.badge-info    { background: rgba(124,92,255,0.18); color: #c0aeff; }
.badge-muted   { background: rgba(255,255,255,0.06); color: var(--text-2); }

/* ===================== BUTTONS ===================== */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 9px 16px;
    border: 1px solid var(--line);
    background: var(--bg-2);
    color: var(--text-1);
    border-radius: var(--r-sm);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.15s;
    text-decoration: none;
    font-size: 13px;
}
.btn:hover { background: var(--bg-3); border-color: rgba(255,255,255,0.16); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-l); border-color: var(--primary-l); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(225,6,0,0.35); }
.btn-success { background: var(--success); border-color: var(--success); color: #fff; }
.btn-danger  { background: var(--danger);  border-color: var(--danger);  color: #fff; }
.btn-ghost   { background: transparent; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 12px 22px; font-size: 15px; }

/* ===================== FORMS ===================== */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.form-row { margin-bottom: 16px; }
.form-row.full { grid-column: 1 / -1; }
.form-label {
    display: block;
    font-size: 12px;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-0);
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    color: var(--text-0);
    font-size: 14px;
    transition: all 0.15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(225,6,0,0.18);
}
.form-textarea { resize: vertical; min-height: 80px; }
.form-hint { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.form-actions { display: flex; gap: 10px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line-2); }
.form-actions .grow { flex: 1; }

/* checkbox */
.check {
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--text-1);
    cursor: pointer;
}
.check input { width: 18px; height: 18px; accent-color: var(--primary); }

/* ===================== PAGINATION ===================== */
.pagination {
    display: flex; gap: 6px; justify-content: center;
    padding: 16px;
    border-top: 1px solid var(--line-2);
}
.pagination a, .pagination span {
    padding: 6px 12px;
    border-radius: var(--r-sm);
    color: var(--text-2);
    border: 1px solid var(--line);
}
.pagination a:hover { background: var(--bg-3); color: var(--text-0); }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===================== LOGIN ===================== */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 20% 20%, rgba(225,6,0,0.12), transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(124,92,255,0.08), transparent 50%),
                var(--bg-0);
    padding: 40px 20px;
}
.login-card {
    width: 100%;
    max-width: 420px;
    background: rgba(20,20,32,0.92);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 44px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.6);
    backdrop-filter: blur(12px);
}
.login-brand { text-align: center; margin-bottom: 32px; }
.login-brand .brand-mark {
    width: 60px; height: 60px;
    font-size: 26px;
    margin: 0 auto 12px;
}
.login-brand h1 { font-size: 24px; color: var(--text-0); letter-spacing: 1px; margin-bottom: 6px; }
.login-brand p { color: var(--text-3); font-size: 13px; }

.login-tabs { display: flex; gap: 8px; margin-bottom: 24px; background: var(--bg-2); padding: 4px; border-radius: 8px; }
.login-tab {
    flex: 1; padding: 10px; text-align: center;
    border-radius: 6px; color: var(--text-2); cursor: pointer;
    font-weight: 600;
    transition: all 0.15s;
}
.login-tab.active { background: var(--primary); color: #fff; }

/* ===================== UTIL ===================== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.mt-2 { margin-top: 12px; }
.mt-3 { margin-top: 20px; }
.mb-2 { margin-bottom: 12px; }
.text-muted { color: var(--text-3); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warn { color: var(--warning); }
.text-mono { font-family: 'SF Mono', Consolas, monospace; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.flex { display: flex; gap: 10px; align-items: center; }
.flex.between { justify-content: space-between; }
.flex.wrap { flex-wrap: wrap; }
.flex.grow > * { flex: 1; }
.flex .grow { flex: 1; }
.hidden { display: none !important; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px) {
    .app-shell { grid-template-columns: 70px 1fr; }
    .sidebar-brand .brand-name, .sidebar-brand .brand-sub { display: none; }
    .nav-label, .nav-group { display: none; }
    .user-info { display: none; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}