/* Custom Premium Dark Design System for Micro-ERP */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700&display=swap');

:root {
    --bg-base: #f4f6f9;
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --color-primary: #2b6cb0; /* MoySklad blue */
    --color-primary-hover: #2b5c8f;
    --color-success: #38a169; /* MoySklad success */
    --color-danger: #e53e3e; /* MoySklad danger */
    --color-warning: #f59e0b; /* Amber */
    --border-color: #e2e8f0;
    --border-radius-lg: 8px;
    --border-radius-md: 6px;
    --font-sans: 'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;
    --transition-smooth: all 0.2s ease-in-out;
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    display: flex;
    min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
    width: 260px;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px;
    flex-shrink: 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 32px;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--color-primary), #a855f7);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #1e293b, #64748b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.nav-item.active a,
.nav-item a:hover {
    color: var(--text-primary);
    background-color: rgba(99, 102, 241, 0.12);
}

.nav-item.active a {
    border-left: 3px solid var(--color-primary);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

/* Main Content Area */
.main-wrapper {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-width: 0; /* Prevents flex items from overflowing */
}

header {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.75rem;
}

.content-container {
    padding: 40px;
    flex-grow: 1;
    overflow-y: auto;
}

/* Dashboard Cards Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.stat-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.25);
    border-color: rgba(99, 102, 241, 0.4);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-primary);
}

.stat-card.success::after { background-color: var(--color-success); }
.stat-card.danger::after { background-color: var(--color-danger); }
.stat-card.warning::after { background-color: var(--color-warning); }

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 1.85rem;
    font-weight: 700;
}

/* Sections & Layout blocks */
.section-title {
    font-family: var(--font-display);
    margin-bottom: 20px;
    font-size: 1.25rem;
    font-weight: 600;
}

.panel-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 32px;
}

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

.panel-block {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 28px;
}

/* Form Styles */
.form-group {
    margin-bottom: 18px;
}

label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 6px;
}

input, select, textarea {
    width: 100%;
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 10px 14px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

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

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

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

.btn-success:hover {
    filter: brightness(1.1);
}

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

.btn-danger:hover {
    filter: brightness(1.1);
}

/* Tables Styles */
.table-container {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.925rem;
}

th {
    background-color: rgba(46, 61, 96, 0.4);
    color: var(--text-primary);
    font-weight: 600;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

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

tr:hover td {
    background-color: #f8fafc;
    color: var(--text-primary);
}

/* Badges and tags */
.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    text-transform: uppercase;
}

.badge-receipt { background-color: rgba(16, 185, 129, 0.15); color: var(--color-success); }
.badge-writeoff { background-color: rgba(244, 63, 94, 0.15); color: var(--color-danger); }
.badge-sale { background-color: rgba(99, 102, 241, 0.15); color: var(--color-primary); }

.badge-new { background-color: rgba(245, 158, 11, 0.15); color: var(--color-warning); }
.badge-assembled { background-color: rgba(99, 102, 241, 0.15); color: var(--color-primary); }
.badge-shipped { background-color: rgba(16, 185, 129, 0.15); color: var(--color-success); }
.badge-cancelled { background-color: rgba(244, 63, 94, 0.15); color: var(--color-danger); }

/* Quick Search bar */
.search-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.search-bar input {
    max-width: 320px;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    width: 480px;
    max-width: 90%;
    padding: 32px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-close {
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-secondary);
}

.modal-close:hover {
    color: var(--text-primary);
}

/* Product Thumbnail Styles */
.product-thumbnail {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    object-fit: cover;
    border: 1px solid var(--border-color);
    background-color: var(--bg-base);
    display: block;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s ease, border-color 0.25s ease, border-radius 0.25s ease;
    cursor: zoom-in;
    transform-origin: left center;
    position: relative;
    z-index: 1;
}

.product-thumbnail:hover {
    transform: scale(3.5);
    z-index: 100;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
    border-color: var(--color-primary);
    border-radius: 8px;
}

.product-thumbnail-placeholder {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: rgba(255, 255, 255, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.25rem;
}

.ms-product-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.15s ease;
}

.ms-product-link:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}