:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --bg-color: #f3f4f6;
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --card-bg: rgba(255, 255, 255, 0.95);
    --border-color: #e5e7eb;
    
    /* Status Colors */
    --status-ponudeno: #f59e0b; /* Amber */
    --status-utijeku: #3b82f6; /* Blue */
    --status-zavrseno: #10b981; /* Green */
    
    /* Dodatne boje */
    --input-bg: #ffffff;
    --table-header-bg: #f8fafc;
    --table-hover-bg: #f8fafc;
    --check-pill-bg: #f3f4f6;
    --check-pill-text: #9ca3af;
}

[data-theme="dark"] {
    --bg-color: #111827;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --card-bg: rgba(31, 41, 55, 0.95);
    --border-color: #374151;
    
    --input-bg: #1f2937;
    --table-header-bg: #1f2937;
    --table-hover-bg: #374151;
    --check-pill-bg: #374151;
    --check-pill-text: #d1d5db;
    
    /* Prilagođene status boje za dark mode da ne budu previše svijetle */
    --status-ponudeno: #d97706; 
}

/* Fix za ikonu kalendara u dark modu */
[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator,
[data-theme="dark"] input[type="month"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    min-height: 100vh;
}

[data-theme="light"] body, body:not([data-theme]) {
    background-image: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
}

[data-theme="dark"] body {
    background-image: linear-gradient(135deg, #111827 0%, #1f2937 100%);
}

/* Glassmorphism utility */
.glass-effect {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    border-radius: 12px;
}

/* Login Page */
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
    margin: 1rem;
}

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

.login-header h1 {
    font-size: 1.75rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

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

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

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-main);
    font-size: 0.9rem;
}

input[type="text"],
input[type="password"],
input[type="date"],
input[type="number"],
input[type="email"],
input[type="month"],
input[type="file"],
select,
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.2s ease;
    background-color: var(--input-bg);
    color: var(--text-main);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

/* Stilovi za file input gumb (Odabir datoteke) */
input[type="file"]::file-selector-button {
    background-color: var(--border-color);
    color: var(--text-main);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    margin-right: 1rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

input[type="file"]::file-selector-button:hover {
    background-color: var(--text-muted);
    color: white;
}

[data-theme="dark"] input[type="file"]::file-selector-button {
    background-color: #374151;
    color: #f3f4f6;
}

[data-theme="dark"] input[type="file"]::file-selector-button:hover {
    background-color: #4b5563;
}

/* Checkboxes */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: 1.2rem;
    height: 1.2rem;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.checkbox-group label {
    margin-bottom: 0;
    cursor: pointer;
    font-weight: 400;
}

/* Checkbox Grid for forms */
.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    padding: 1rem;
    background: var(--table-header-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Buttons */
.btn {
    display: inline-block;
    font-weight: 500;
    text-align: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn-danger {
    background-color: #ef4444;
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
}

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

.btn-secondary:hover {
    background-color: var(--text-muted);
    color: white;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

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

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #f87171;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #34d399;
}

/* Layout */
.app-container {
    max-width: 98%;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    margin-bottom: 2rem;
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Typography */
.page-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

/* Tables */
.table-container {
    overflow-x: auto;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

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

thead th {
    background-color: var(--table-header-bg);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

tbody td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    vertical-align: middle;
    white-space: nowrap;
}

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

tbody tr:hover {
    background-color: var(--table-hover-bg);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-Ponuđeno {
    background-color: #fef3c7;
    color: #92400e;
}

.status-Zaprimljeno {
    background-color: #f1f5f9;
    color: #475569;
    border: 1px solid #cbd5e1;
}

.status-Utijeku {
    background-color: #dbeafe;
    color: #1e40af;
}

.status-Čekasepristanakklijenta {
    background-color: #fee2e2;
    color: #991b1b;
}

.status-Čekadijelove {
    background-color: #ffedd5;
    color: #c2410c;
}

.status-Čekapreuzimanje {
    background-color: #dcfce7;
    color: #166534;
}

.status-Završeno {
    background-color: #d1fae5;
    color: #065f46;
}

.status-Čekaisporuku {
    background-color: #d1fae5; /* Green 100 */
    color: #065f46; /* Green 800 */
}

.status-Djelomičnoisporučeno {
    background-color: #fed7aa; /* Orange 200 */
    color: #9a3412; /* Orange 800 */
}

/* Status Indicators (Checkboxes display in table) */
.status-checks {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    max-width: 240px;
}

.check-pill {
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    background-color: var(--check-pill-bg);
    color: var(--check-pill-text);
    border: 1px solid var(--border-color);
}

.check-pill.active {
    background-color: #dcfce7;
    color: #166534;
    border-color: #bbf7d0;
    font-weight: 600;
}

/* Actions */
.action-links {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    max-width: 200px;
}

/* Form Container & Cards inside App */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.card-body {
    padding: 1.25rem;
}

.form-card {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--card-bg);
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

@media (max-width: 768px) {
    .app-container {
        max-width: 100%;
        padding: 0.75rem 0.5rem;
    }

    .navbar {
        margin-bottom: 1rem;
    }

    .page-title {
        font-size: 1.35rem !important;
        margin-bottom: 0.5rem !important;
    }

    .header-actions {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.75rem !important;
        margin-bottom: 1rem !important;
    }

    .header-actions > div {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        width: 100%;
    }

    .header-actions > a.btn,
    .header-actions > button.btn {
        width: 100%;
    }

    .form-card,
    .card,
    .card-body {
        padding: 1rem !important;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    /* Višestupčani inline gridovi prelaze u 1 stupac na mobitelu */
    div[style*="grid-template-columns"]:not(.checkbox-grid) {
        grid-template-columns: 1fr !important;
        gap: 0.75rem !important;
    }

    /* Filter forme na vrhu tablica */
    form[method="GET"] {
        gap: 0.6rem !important;
    }

    form[method="GET"] > div {
        flex: 1 1 calc(50% - 0.6rem) !important;
        min-width: 140px !important;
    }

    /* Dinamički redovi licenci (Adobe, M365, Antivirus) */
    .lic-row {
        flex-wrap: wrap !important;
        padding: 0.75rem !important;
        background: var(--table-header-bg);
        border: 1px solid var(--border-color);
        border-radius: 8px;
        gap: 0.5rem !important;
    }

    .lic-row > div:first-child {
        flex: 1 1 100% !important;
    }

    .lic-row > div:not(:first-child):not(:last-child) {
        flex: 1 1 calc(50% - 28px) !important;
        min-width: 90px !important;
    }

    /* Tablice s horizontalnim skrolanjem na dodir */
    .table-container {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: 8px;
    }

    thead th,
    tbody td {
        padding: 0.5rem 0.6rem;
        font-size: 0.82rem;
    }

    /* Postavke baze (settings.php) vertikalni tabovi u horizontalne gumbe */
    .settings-container {
        flex-direction: column !important;
        gap: 1rem !important;
    }

    .tab-buttons {
        flex: none !important;
        width: 100% !important;
        flex-direction: row !important;
        flex-wrap: wrap !important;
        border-right: none !important;
        border-bottom: 1px solid var(--border-color);
        padding-right: 0 !important;
        padding-bottom: 0.75rem !important;
        gap: 6px !important;
    }

    .tab-buttons button {
        width: auto !important;
        flex: 1 1 calc(50% - 6px);
        padding: 8px 10px !important;
        font-size: 0.85rem !important;
        text-align: center !important;
        background: var(--input-bg);
        border: 1px solid var(--border-color) !important;
    }

    .content-area {
        width: 100% !important;
    }

    #tab-korisnici > div {
        flex-direction: column !important;
    }

    #tab-korisnici > div > div,
    #user-edit-panel {
        min-width: 0 !important;
        width: 100% !important;
    }

    #m365_license_form > div,
    #wh_package_form > div,
    #antivirus_license_form > div,
    #adobe_license_form > div {
        flex-wrap: wrap !important;
    }

    #m365_license_form > div > div,
    #wh_package_form > div > div,
    #antivirus_license_form > div > div,
    #adobe_license_form > div > div {
        flex: 1 1 100% !important;
    }

    /* Modali (Godišnji, Cjenik) */
    #newRequestModal > .card,
    #reviewModal > .card,
    #addModal > .card {
        width: calc(100vw - 24px) !important;
        max-width: 420px !important;
        max-height: 90vh;
        overflow-y: auto;
    }
}

@media (max-width: 480px) {
    form[method="GET"] > div {
        flex: 1 1 100% !important;
    }

    .header-actions > div > .btn {
        flex: 1 1 auto;
        text-align: center;
    }
}