/* ============================================
   CUSTOM STYLES - FAKTURE APP
   Modern, clean, consistent design
   ============================================ */

/* Import Bootstrap Icons */
@import url("https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.0/font/bootstrap-icons.css");

/* Import Inter font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ============================================
   ROOT VARIABLES
   ============================================ */
:root {
    --primary-color: #111111;        /* elegant crna */
    --primary-hover: #1a1a1a;        /* tamnija crna */
    --success-color: #27ae60;        /* zadržati boje samo za badge/indikatore */
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #3498db;
    --light-gray: #f5f5f5;           /* suptilno svetlo siva pozadina */
    --border-color: #e0e0e0;         /* neutralna ivica */
    --text-color: #2c2c2c;           /* tamniji tekst */
    --text-muted: #5b5b5b;           /* tamnija siva za štampu */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --border-radius: 8px;
    --box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    --transition: all 0.2s ease;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */
body {
    font-family: var(--font-family);
    color: var(--text-color);
    background: var(--light-gray);
    line-height: 1.6;
}

/* Common invoice layout helpers */
.invoice-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.info-section { display: flex; justify-content: space-between; gap: 16px; }
.preview-area, .invoice-container { padding: 32px; }
.invoice-table th, .invoice-table td { word-wrap: break-word; }

@media (max-width: 768px) {
  .preview-area, .invoice-container { padding: 24px; }
  .invoice-header { flex-direction: column; align-items: flex-start; }
  .info-section { flex-direction: column; }
}

@media (max-width: 576px) {
  .preview-area, .invoice-container { padding: 16px; }
  .invoice-table th, .invoice-table td { padding: 10px 8px; font-size: 12px; }
}

/* ============================================
   STANDARDIZED BUTTONS
   ============================================ */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    border: none;
    padding: 8px 16px;
    font-size: 14px;
}

/* Primary button - crni sa belim tekstom */
.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    color: white;
    transform: translateY(-1px);
}

/* Dark button variant */
.btn-dark {
    background-color: var(--primary-color);
    color: white;
}

.btn-dark:hover {
    background-color: var(--primary-hover);
    color: white;
    transform: translateY(-1px);
}

/* Success button */
/* Unified dark buttons across site */
.btn-success,
.btn-danger,
.btn-warning,
.btn-info {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.btn-success:hover,
.btn-danger:hover,
.btn-warning:hover,
.btn-info:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    color: #fff;
    transform: translateY(-1px);
}

/* Outline buttons */
.btn-outline-primary {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.btn-outline-dark {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-dark:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

/* Small buttons */
.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* Large buttons */
.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
}

/* ============================================
   CARDS & CONTAINERS
   ============================================ */
.card {
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 25px rgba(0,0,0,0.12);
}

.card-header {
    background-color: var(--light-gray);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-color);
}

/* ============================================
   NAVBAR STYLING
   ============================================ */
.navbar-dark {
    background-color: var(--primary-color) !important;
}

.navbar-brand {
    font-weight: 600;
    font-size: 18px;
}

.nav-link {
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    color: rgba(255,255,255,0.9) !important;
}

/* User badge in navbar */
.user-badge {
    background: rgba(255,255,255,0.1);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    margin-right: 10px;
}

/* ============================================
   TABLES
   ============================================ */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table th {
    background-color: var(--light-gray);
    border: none;
    padding: 15px 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    color: #4a4a4a; /* tamnije radi čitljivosti */
    letter-spacing: 0.5px;
}

.table td {
    border: none;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
    vertical-align: middle;
}

.table tbody tr:hover {
    background-color: #f7f7f7;
}

/* ============================================
   RESPONSIVE TYPE SCALE
   ============================================ */
h1, .h1 { font-size: clamp(22px, 4vw, 32px); }
h2, .h2 { font-size: clamp(20px, 3.2vw, 26px); }
.welcome-text { font-size: clamp(20px, 3.6vw, 28px); }
.stats-number { font-size: clamp(20px, 3.6vw, 32px); }
.stats-label { font-size: clamp(11px, 2vw, 14px); }
.table td, .table th { font-size: clamp(11px, 2.2vw, 14px); }
.table-title { color: var(--text-color); font-weight: 600; }
.empty-state h5 { color: var(--text-color); }

/* Compact table variant for dashboard */
.table.compact-table th { padding: 10px 14px; font-size: 12px; }
.table.compact-table td { padding: 10px 14px; font-size: 12px; }

@media (max-width: 768px) {
    .btn { padding: 6px 12px; font-size: 13px; }
    .card { box-shadow: none; }
    .navbar-brand { font-size: 16px; }
}

/* ============================================
   FORMS
   ============================================ */
.form-control {
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: 10px 15px;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(44, 62, 80, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 5px;
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: 15px 20px;
    font-weight: 500;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    font-weight: 500;
    padding: 5px 10px;
    border-radius: 20px;
}

/* Status badges */
.badge-status-pending {
    background-color: var(--warning-color);
    color: white;
}

.badge-status-sent {
    background-color: var(--info-color);
    color: white;
}

.badge-status-paid {
    background-color: var(--success-color);
    color: white;
}

.badge-status-overdue {
    background-color: var(--danger-color);
    color: white;
}

.badge-status-cancelled {
    background-color: var(--text-muted);
    color: white;
}

.badge-status-draft {
    background-color: #6c757d;
    color: white;
}

/* ============================================
   STATISTICS CARDS
   ============================================ */
.stats-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
}

.stats-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 25px rgba(0,0,0,0.12);
}

.stats-number {
    font-size: 32px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
    display: block;
}

.stats-label {
    font-size: 14px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 768px) {
    .btn-group .btn {
        display: block;
        width: 100%;
        margin-bottom: 5px;
    }
    
    .stats-card {
        margin-bottom: 20px;
    }
    
    .table-responsive {
        font-size: 14px;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
}

/* ============================================
   LOADING STATES
   ============================================ */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* ============================================
   CUSTOM UTILITIES
   ============================================ */
.text-primary-custom {
    color: var(--primary-color) !important;
}

.bg-primary-custom {
    background-color: var(--primary-color) !important;
}

.border-primary-custom {
    border-color: var(--primary-color) !important;
}

/* Shadow utilities */
.shadow-custom {
    box-shadow: var(--box-shadow) !important;
}

.shadow-hover {
    transition: var(--transition);
}

.shadow-hover:hover {
    box-shadow: 0 4px 25px rgba(0,0,0,0.12) !important;
    transform: translateY(-2px);
}

/* ============================================
   ICON SPACING
   ============================================ */
.icon-spacing {
    margin-right: 6px;
}

.icon-spacing-left {
    margin-left: 6px;
}

/* ============================================
   CUSTOM COMPONENTS
   ============================================ */

/* Action buttons group */
.action-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.action-buttons .btn {
    flex: 1;
    min-width: 100px;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 20px;
    opacity: 0.5;
}

/* Dashboard header */
.dashboard-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    padding: 40px 0;
    margin-bottom: 30px;
}

.welcome-text {
    font-size: 28px;
    font-weight: 300;
    margin-bottom: 10px;
}

/* Create button styling */
.create-btn {
    background: var(--primary-color);
    color: white;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
}

.create-btn:hover {
    background: var(--primary-hover);
    color: white;
    transform: translateY(-1px);
    text-decoration: none;
}
.btn-outline-success,
.btn-outline-danger,
.btn-outline-warning,
.btn-outline-info {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-success:hover,
.btn-outline-danger:hover,
.btn-outline-warning:hover,
.btn-outline-info:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-1px);
}