/* ========== RESET & BASE ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #4361ee;
    --primary-dark: #3a0ca3;
    --primary-light: #4895ef;
    --secondary: #f72585;
    --success: #4caf50;
    --warning: #ff9800;
    --danger: #f44336;
    --dark: #1a1a2e;
    --gray: #6c757d;
    --light: #f8f9fa;
    --white: #ffffff;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

/* ========== CONTAINERS ========== */
.container, .login-container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius);
    padding: 0;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-container {
    max-width: 450px;
    margin: 80px auto;
}

/* ========== HEADER ========== */
.header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 25px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.header h1, .header h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.header h1::before {
    content: "📦";
    font-size: 1.8rem;
}

.header .btn {
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
}

.header .btn:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    background: var(--gray);
    color: white;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #d32f2f);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #388e3c);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #f57c00);
}

.btn-small {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 12px;
    border-radius: 6px;
    text-decoration: none;
    transition: var(--transition);
    background: var(--primary);
    color: white;
}

.btn-small:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

/* ========== FORMS ========== */
form {
    padding: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

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

small {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--gray);
}

/* ========== SEARCH FORM ========== */
.search-form {
    padding: 20px 30px;
    background: var(--light);
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    gap: 15px;
    margin: 0;
}

.search-form input {
    flex: 1;
    padding: 12px 18px;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: var(--transition);
}

.search-form input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

/* ========== TABLES ========== */
table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: white;
}

th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    font-size: 14px;
}

th a {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
}

th a:hover {
    text-decoration: underline;
}

td {
    padding: 15px;
    border-bottom: 1px solid #f0f0f0;
    color: var(--dark);
    font-size: 14px;
}

tbody tr {
    transition: var(--transition);
}

tbody tr:hover {
    background: var(--light);
    transform: scale(1.01);
    box-shadow: var(--shadow-sm);
}

/* ========== ALERTS ========== */
.error, .success, .info {
    margin: 20px 30px;
    padding: 15px 20px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.error {
    background: #ffebee;
    color: var(--danger);
    border-left: 4px solid var(--danger);
}

.success {
    background: #e8f5e9;
    color: var(--success);
    border-left: 4px solid var(--success);
}

.info {
    background: #e3f2fd;
    color: var(--primary);
    border-left: 4px solid var(--primary);
}

/* ========== IMPORT INFO ========== */
.import-info {
    background: linear-gradient(135deg, #667eea15, #764ba215);
    padding: 25px;
    border-radius: var(--radius);
    margin: 20px 30px;
    border: 1px solid rgba(103, 126, 234, 0.2);
}

.import-info h3 {
    color: var(--primary);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.import-info ul, .import-info ol {
    margin-left: 20px;
}

.import-info li {
    margin: 8px 0;
    color: var(--dark);
}

.highlight {
    color: var(--primary);
    font-weight: 600;
}

/* ========== BADGES ========== */
.badge-kz {
    background: linear-gradient(135deg, #4caf50, #388e3c);
    color: white;
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 20px;
    margin-left: 8px;
    display: inline-block;
}

.name-kz-cell {
    color: var(--gray);
    font-style: italic;
    font-size: 0.9em;
}

/* ========== DEMO HINT ========== */
.demo-hint {
    margin: 20px;
    padding: 15px;
    background: linear-gradient(135deg, #fff3e0, #ffe0b2);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 13px;
    color: #e65100;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .header {
        flex-direction: column;
        text-align: center;
    }
    
    table {
        display: block;
        overflow-x: auto;
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    td, th {
        padding: 10px;
        font-size: 12px;
    }
}

/* ========== ANIMATIONS ========== */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.btn-primary:active {
    animation: pulse 0.2s ease;
}

/* ========== CUSTOM SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}