/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.1);

    --success: #22c55e;
    --success-light: rgba(34, 197, 94, 0.1);

    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.1);

    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.1);

    --info: #3b82f6;
    --info-light: rgba(59, 130, 246, 0.1);

    /* Grays */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Layout */
    --sidebar-width: 240px;
    --sidebar-collapsed: 64px;
    --navbar-height: 64px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Transitions */
    --transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);

    /* System colors */
    --finalizator: #22c55e;
    --finalizator-bg: rgba(34, 197, 94, 0.15);
    --digitallflow: #3b82f6;
    --digitallflow-bg: rgba(59, 130, 246, 0.15);
    --dedicated: #a855f7;
    --dedicated-bg: rgba(168, 85, 247, 0.15);
}

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

html {
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.5;
}

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

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

/* ===== Layout ===== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition);
}

.page-content {
    padding: 1.5rem;
    max-width: 1400px;
}

.public-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
}

/* ===== Sidebar ===== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--gray-900);
    color: white;
    display: flex;
    flex-direction: column;
    transition: width var(--transition);
    z-index: 100;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid var(--gray-700);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: white;
    font-weight: 600;
    font-size: 1.25rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.sidebar-toggle {
    background: transparent;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius);
}

.sidebar-toggle:hover {
    background: var(--gray-800);
    color: white;
}

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

.sidebar-nav ul {
    list-style: none;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--gray-400);
    transition: all var(--transition);
}

.nav-link:hover {
    background: var(--gray-800);
    color: white;
}

.nav-link.active {
    background: var(--primary);
    color: white;
}

.nav-icon {
    flex-shrink: 0;
}

.nav-separator {
    padding: 1rem 1rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--gray-500);
    letter-spacing: 0.05em;
}

/* ===== Navbar ===== */
.navbar {
    height: var(--navbar-height);
    background: white;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

.page-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-search {
    position: relative;
}

.search-input {
    padding: 0.5rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    width: 250px;
    font-size: 0.875rem;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* ===== User Menu ===== */
.user-menu {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: var(--radius);
}

.user-menu-trigger:hover {
    background: var(--gray-100);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    border: 1px solid var(--gray-200);
}

.dropdown-header {
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-role {
    font-size: 0.75rem;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius);
}

.role-admin {
    background: var(--primary-light);
    color: var(--primary);
}

.role-operator {
    background: var(--gray-100);
    color: var(--gray-600);
}

.dropdown-divider {
    height: 1px;
    background: var(--gray-200);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: var(--gray-700);
}

.dropdown-item:hover {
    background: var(--gray-50);
}

.dropdown-item-danger {
    color: var(--danger);
}

/* ===== Cards ===== */
.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.card-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
}

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

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

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-200);
}

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

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

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 500;
    color: var(--gray-700);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-error {
    color: var(--danger);
    font-size: 0.8125rem;
    margin-top: 0.25rem;
}

/* ===== Tables ===== */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    font-weight: 600;
    color: var(--gray-600);
    background: var(--gray-50);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.table tbody tr:hover {
    background: var(--gray-50);
}

/* ===== Badges ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius);
}

.badge-primary {
    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);
}

/* System badges */
.badge-finalizator {
    background: var(--finalizator-bg);
    color: var(--finalizator);
}

.badge-digitallflow {
    background: var(--digitallflow-bg);
    color: var(--digitallflow);
}

.badge-dedicated {
    background: var(--dedicated-bg);
    color: var(--dedicated);
}

/* ===== Flash Messages ===== */
.flash {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flash-success {
    background: var(--success-light);
    color: var(--success);
    border: 1px solid var(--success);
}

.flash-error {
    background: var(--danger-light);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.flash-warning {
    background: var(--warning-light);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.flash-close {
    background: transparent;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.7;
}

.flash-close:hover {
    opacity: 1;
}

/* ===== Stats Cards ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    border: 1px solid var(--gray-200);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-change {
    font-size: 0.8125rem;
    margin-top: 0.25rem;
}

.stat-change.positive {
    color: var(--success);
}

.stat-change.negative {
    color: var(--danger);
}

/* ===== Login Page ===== */
.login-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo .logo-icon {
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
    margin: 0 auto 0.75rem;
}

.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--gray-500);
    text-align: center;
    margin-bottom: 2rem;
}

/* ===== Empty States ===== */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--gray-500);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    color: var(--gray-300);
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    gap: 0.25rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.pagination-item {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    color: var(--gray-600);
    font-size: 0.875rem;
}

.pagination-item:hover {
    background: var(--gray-50);
}

.pagination-item.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* ===== Loading ===== */
.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator {
    display: inline-block;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .navbar-search {
        display: none;
    }
}