/* ===== CSS Variables ===== */
:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    --accent-hover: #0ea5e9;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --border-color: rgba(148, 163, 184, 0.2);
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition-fast: all 0.2s ease;
    --transition-medium: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.logo i {
    font-size: 32px;
    color: var(--accent-color);
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color), #0ea5e9);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    list-style: none;
}

.nav-links li {
    margin-bottom: var(--spacing-sm);
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    font-weight: 500;
}

.nav-links a:hover {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-color);
}

.nav-links a.active {
    background: rgba(56, 189, 248, 0.15);
    color: var(--accent-color);
}

.nav-links i {
    font-size: 20px;
}

.main-content {
    margin-left: 260px;
    flex: 1;
    padding: var(--spacing-xl);
    width: calc(100% - 260px);
}

.card {
    background: rgba(30, 41, 59, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition-medium);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.stat-card.clickable:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(56, 189, 248, 0.3);
    border-color: var(--accent-color);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.stat-info h3 {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-color);
}

.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: capitalize;
}

.status-badge.pending {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.status-badge.completed {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.status-badge.paid {
    background: rgba(56, 189, 248, 0.2);
    color: var(--accent-color);
}

.company-header {
    text-align: center;
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-lg);
}

.company-logo {
    width: 100px;
    height: 100px;
    object-fit: contain;
    border-radius: var(--radius-md);
    margin: 0 auto var(--spacing-md);
    display: block;
}

.company-logo-placeholder {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(14, 165, 233, 0.1));
    border: 2px solid rgba(56, 189, 248, 0.3);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.company-logo-placeholder i {
    font-size: 48px;
    color: var(--accent-color);
}

.company-name {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-color), #0ea5e9);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-sm);
}

.username {
    color: var(--text-secondary);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.username i {
    font-size: 20px;
}

.welcome-banner {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(14, 165, 233, 0.1));
    border: 1px solid rgba(56, 189, 248, 0.3);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
}

.banner-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.banner-content h2 {
    margin-bottom: var(--spacing-xs);
}

.banner-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

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

input[type="text"],
input[type="number"],
input[type="email"],
input[type="tel"],
input[type="password"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s ease;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="password"]:focus,
input[type="date"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

select option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    padding: 10px;
}

.settings-container {
    max-width: 800px;
    margin: 0 auto;
}

.card-header {
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-md);
}

.logo-upload-area {
    width: 120px;
    height: 120px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    overflow: hidden;
    background: rgba(0, 0, 0, 0.2);
}

.logo-upload-area:hover {
    border-color: var(--accent-color);
    background: rgba(56, 189, 248, 0.05);
}

.logo-upload-area i {
    font-size: 32px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.logo-upload-area span {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
}

.logo-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.form-actions {
    margin-top: var(--spacing-xl);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-md);
}

.data-table th,
.data-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

.data-table td {
    color: var(--text-primary);
}

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

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: var(--transition-fast);
    font-size: 18px;
}

.btn-icon:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.hidden {
    display: none !important;
}

.suggestions-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-top: 4px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.suggestion-item {
    padding: 12px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover {
    background: rgba(56, 189, 248, 0.1);
}

.items-table input,
.items-table select {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.items-table input:focus,
.items-table select:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Filter Buttons */
.filter-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: rgba(30, 41, 59, 0.4);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover {
    background: rgba(30, 41, 59, 0.6);
    border-color: var(--accent-color);
    color: var(--text-primary);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--accent-color), #0ea5e9);
    border-color: var(--accent-color);
    color: white;
    box-shadow: 0 2px 8px rgba(56, 189, 248, 0.3);
}

/* Settings Grid Layout */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

@media (max-width: 1024px) {
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-control,
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="password"],
select,
textarea {
    width: 100%;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.2s;
}

.form-control:focus,
input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
    background: rgba(30, 41, 59, 0.6);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), #0ea5e9);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    transform: translateY(-1px);
}

.btn-danger {
    background: #ef4444;
    color: white;
    border: none;
}

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

@media print {
    body {
        background: white;
        color: black;
    }

    .sidebar,
    .nav-links,
    .btn,
    .form-actions {
        display: none !important;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        padding: 0 !important;
    }

    .card {
        border: 1px solid #ddd;
        box-shadow: none;
        page-break-inside: avoid;
    }

    #invoice-view {
        display: block !important;
    }

    #order-list-view,
    #order-editor-view {
        display: none !important;
    }
}
/* Logo Animation */
.company-logo {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.company-logo:hover {
    transform: scale(1.15) rotate(2deg);
    filter: drop-shadow(0 0 15px rgba(56, 189, 248, 0.6));
    cursor: pointer;
}