/* =======================================================
   System Name: License Manager Pro
   ======================================================= */

:root {
    --bg-color: #0d1117;
    --bg-card: #161b22;
    --bg-input: #010409;
    --text-main: #c9d1d9;
    --text-muted: #8b949e;
    --border-color: #30363d;

    --primary: #2f81f7;
    --primary-hover: #1f6feb;
    --success: #2ea043;
    --success-hover: #238636;
    --danger: #da3633;
    --danger-hover: #b62324;
    --warning: #e3b341;
    --secondary: #21262d;
    --secondary-hover: #30363d;
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    font-size: 14px;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ── Typography & Helpers ── */
h1,
h2,
h3,
h4 {
    color: #fff;
    font-weight: 600;
}

.text-muted {
    color: var(--text-muted);
}

.text-center {
    text-align: center;
}

.text-red {
    color: #ff7b72;
}

/* ── Login / Auth ── */
.auth-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.auth-logo {
    text-align: center;
    margin-bottom: 30px;
}

.auth-logo .logo-icon {
    font-size: 32px;
    display: block;
    margin-bottom: 10px;
}

.auth-logo h1 {
    font-size: 24px;
    margin-bottom: 5px;
}

/* ── Layout Painel (Sidebar + Main) ── */
.panel-body {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-header h2 {
    font-size: 16px;
    margin: 0;
}

.nav-links {
    list-style: none;
    padding: 20px 0;
    flex-grow: 1;
}

.nav-links li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-links li a:hover {
    background: var(--secondary);
    color: #fff;
}

.nav-links li a.active {
    background: var(--primary);
    color: #fff;
    border-left: 3px solid #fff;
}

.nav-links .icon {
    font-size: 18px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
}

.main-content {
    flex-grow: 1;
    margin-left: 250px;
    padding: 30px 40px;
}

/* ── Cards & UI Elements ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 24px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-body {
    padding: 20px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-header h2 {
    font-size: 24px;
}

/* ── Stats Grid ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.icon-blue {
    background: rgba(47, 129, 247, 0.1);
    color: #2f81f7;
}

.icon-green {
    background: rgba(46, 160, 67, 0.1);
    color: #2ea043;
}

.icon-purple {
    background: rgba(130, 80, 223, 0.1);
    color: #8250df;
}

.icon-orange {
    background: rgba(219, 97, 16, 0.1);
    color: #db6110;
}

.stat-number {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
}

/* ── Forms ── */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: #fff;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-main);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(47, 129, 247, 0.3);
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s;
    font-family: inherit;
    text-decoration: none;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-block {
    width: 100%;
    display: flex;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
}

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

.btn-secondary:hover {
    background: var(--secondary-hover);
    border-color: #8b949e;
    color: #fff;
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-success:hover {
    background: var(--success-hover);
}

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

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

/* ── Badges ── */
.badge {
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-active {
    background: rgba(46, 160, 67, 0.15);
    color: #3fb950;
    border: 1px solid rgba(46, 160, 67, 0.4);
}

.badge-inactive {
    background: rgba(139, 148, 158, 0.15);
    color: #8b949e;
    border: 1px solid rgba(139, 148, 158, 0.4);
}

.badge-expired {
    background: rgba(248, 81, 73, 0.15);
    color: #ff7b72;
    border: 1px solid rgba(248, 81, 73, 0.4);
}

/* ── Tables ── */
.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    padding: 12px 20px;
    background: var(--bg-input);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
}

td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

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

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.license-key {
    background: var(--bg-input);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px dashed var(--border-color);
    font-family: monospace;
    font-size: 13px;
    color: #fff;
}

/* ── Alerts ── */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid rgba(248, 81, 73, 0.4);
    color: #ff7b72;
}

.alert-success {
    background: rgba(46, 160, 67, 0.1);
    border: 1px solid rgba(46, 160, 67, 0.4);
    color: #3fb950;
}