.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

/* Header */
.header {
    background: var(--color-header-bg);
    color: var(--color-header-text);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.logo {
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #818cf8, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo:hover {
    text-decoration: none;
    opacity: 0.9;
}

.nav {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.nav a {
    color: var(--color-header-link);
    text-decoration: none;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
}

.nav a:hover {
    color: #fff;
    background: rgba(255,255,255,0.08);
    text-decoration: none;
}

/* Main content */
main.container {
    padding-top: 2rem;
    padding-bottom: 3rem;
    flex: 1;
}

/* Cards */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.card h2 {
    color: var(--color-text);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all var(--transition);
    line-height: 1.4;
}

.btn:hover { text-decoration: none; }

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--color-primary-hover);
    color: #fff;
    box-shadow: 0 2px 8px rgba(99,102,241,0.35);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--color-secondary);
    color: #fff;
}
.btn-secondary:hover {
    background: var(--color-secondary-hover);
    color: #fff;
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--color-error);
    color: #fff;
}
.btn-danger:hover {
    background: #dc2626;
    color: #fff;
    transform: translateY(-1px);
}

.btn-success {
    background: var(--color-success);
    color: #fff;
}
.btn-success:hover {
    background: #16a34a;
    color: #fff;
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
}

/* Alerts */
.alert {
    padding: 0.9rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid transparent;
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success-text);
    border-color: #a7f3d0;
}

.alert-error {
    background: var(--color-error-bg);
    color: var(--color-error-text);
    border-color: #fecaca;
}

.alert-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning-text);
    border-color: #fde68a;
}

.alert-info {
    background: var(--color-primary-light);
    color: var(--color-text);
    border-color: #c7d2fe;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--color-text);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font);
    background: var(--color-surface);
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 1rem;
}

/* Table */
.table-wrapper {
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    font-size: 0.9rem;
}

table th,
table td {
    padding: 0.85rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

table th {
    background: var(--color-header-bg);
    color: #fff;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

table tr:last-child td { border-bottom: none; }
table tr:hover td { background: #f1f5f9; }

td.actions {
    vertical-align: middle;
}

.actions {
    white-space: nowrap;
}

.actions > * {
    display: inline-block;
    margin-right: 0.35rem;
}

.actions > *:last-child {
    margin-right: 0;
}

.actions form {
    display: inline-block;
    margin: 0;
    padding: 0;
    background: transparent;
    vertical-align: middle;
}

/* Badge status */
.badge {
    display: inline-block;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-active {
    background: var(--color-success-bg);
    color: var(--color-success-text);
}

.badge-pending {
    background: var(--color-warning-bg);
    color: var(--color-warning-text);
}

/* Text utilities */
.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }

.back-link {
    margin-top: 1.5rem;
}

.back-link a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.back-link a:hover {
    color: var(--color-primary);
}

/* Footer */
.footer {
    background: var(--color-header-bg);
    color: var(--color-text-muted);
    text-align: center;
    padding: 1.5rem 0;
    margin-top: auto;
    font-size: 0.85rem;
}

/* Plans */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.plan-card {
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
}

.plan-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.plan-card.current {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.plan-card h2 {
    border: none;
    margin-bottom: 0.5rem;
    padding: 0;
}

.plan-card .price {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.plan-card .price span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.plan-card .features {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    min-height: 3rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.badge-current {
    position: absolute;
    top: -10px;
    right: 16px;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.25rem 0.85rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Dashboard */
.welcome-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.welcome-header h1 {
    margin-bottom: 0.25rem;
}

.welcome-header p {
    margin: 0;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.dashboard-stats .stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem 1rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.dashboard-stats .stat-card .stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1.2;
}

.dashboard-stats .stat-card .stat-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-top: 0.15rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.dashboard-stats .stat-card.stat-warning {
    border-color: var(--color-warning);
    background: var(--color-warning-bg);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .dashboard-grid { grid-template-columns: 1fr; }
    .dashboard-stats { grid-template-columns: repeat(2, 1fr); }
}

/* Error pages */
.error-page {
    text-align: center;
    padding-top: 4rem !important;
}

.error-page h1 {
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.error-page p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .form-row { grid-template-columns: 1fr; }
    .header .container { height: auto; padding: 0.75rem 1rem; flex-wrap: wrap; gap: 0.5rem; }
    .nav { flex-wrap: wrap; gap: 0.1rem; }
    .nav a { padding: 0.4rem 0.6rem; font-size: 0.8rem; }
    h1 { font-size: 1.4rem; }
}