/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-purple: #8b5cf6;
    --dark-purple: #6d28d9;
    --light-purple: #c4b5fd;
    --accent-purple: #f0e7fe;
    --bg-dark: #0f172a;
    --bg-darker: #1a1f35;
    --bg-card: #1e293b;
    --bg-hover: #334155;
    --text-light: #f1f5f9;
    --text-muted: #cbd5e1;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --border-color: #334155;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    color: var(--text-light);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header Styles */
header {
    background: linear-gradient(135deg, var(--dark-purple) 0%, var(--primary-purple) 100%);
    padding: 2rem;
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

header h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 0%, #c4b5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

/* Navigation Bar */
nav {
    background: var(--bg-card);
    padding: 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-color);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav ul li {
    margin: 0;
}

nav ul li a {
    display: block;
    padding: 1rem 2rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.95rem;
    border-bottom: 3px solid transparent;
    position: relative;
}

nav ul li a:hover {
    color: var(--text-light);
    background: rgba(139, 92, 246, 0.1);
}

nav ul li a.active {
    color: var(--accent-purple);
    background: rgba(139, 92, 246, 0.15);
    border-bottom-color: var(--primary-purple);
}

/* Main Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2.5rem 2rem;
}

/* Filter Section */
.filter-section {
    background: var(--bg-card);
    padding: 1.75rem;
    border-radius: 12px;
    margin-bottom: 2.5rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    position: relative;
}

.filter-section h2 {
    color: var(--accent-purple);
    margin-bottom: 1.25rem;
    font-size: 1.3rem;
    font-weight: 600;
}
}

.filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1.25rem;
    font-weight: 600;
}

.filter-badge {
    background: rgba(139, 92, 246, 0.2);
    color: var(--light-purple);
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.8rem;
    line-height: 1;
    border: 1px solid rgba(139, 92, 246, 0.4);
}

.filter-clear {
    padding: 0.6rem 1rem;
}

.filter-menu {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 0;
    width: min(520px, 100%);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 10;
}

.filter-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.filter-options {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    align-items: center;
}

.filter-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.filter-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    transition: all 0.3s ease;
}

.filter-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 0.75rem;
    cursor: pointer;
    accent-color: var(--primary-purple);
    border-radius: 4px;
}

.filter-checkbox label {
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.filter-checkbox:hover label {
    color: var(--text-light);
}

/* Products Grid - Windows Desktop Style */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(14ch, 1fr));
    gap: 2.5rem;
    padding: 2rem 0;
}

.product-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.25rem;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    color: var(--text-light);
    border: 1px solid var(--border-color);
}

.product-item:hover {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(139, 92, 246, 0.05) 100%);
    transform: translateY(-8px);
    border-color: var(--primary-purple);
    box-shadow: 0 12px 32px rgba(139, 92, 246, 0.2);
}

.product-icon {
    width: 68px;
    height: 68px;
    margin-bottom: 0.75rem;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(139, 92, 246, 0.3));
    transition: transform 0.3s ease;
}

.product-item:hover .product-icon {
    transform: scale(1.1);
}

.product-title {
    text-align: center;
    font-size: 0.9rem;
    font-weight: 500;
    word-break: break-word;
    color: var(--text-light);
}

/* Forms */
.form-container {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    max-width: 600px;
    margin: 2rem auto;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.75rem;
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group textarea,
.form-group input[type="file"] {
    width: 100%;
    padding: 0.875rem;
    background: var(--bg-darker);
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.form-group input[type="text"]::placeholder,
.form-group input[type="email"]::placeholder,
.form-group input[type="password"]::placeholder,
.form-group input[type="url"]::placeholder,
.form-group textarea::placeholder,
.form-group input[type="file"]::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group input[type="file"]:focus {
    outline: none;
    border-color: var(--primary-purple);
    background: var(--bg-darker);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: 'Inter', sans-serif;
}

.form-group input[type="file"] {
    padding: 0.75rem;
    cursor: pointer;
}

/* Checkboxes in Forms */
.checkbox-group {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 0.75rem;
    cursor: pointer;
    accent-color: var(--primary-purple);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.checkbox-label:hover {
    color: var(--accent-purple);
}

/* Buttons */
.btn {
    padding: 0.875rem 2rem;
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--dark-purple) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: inline-block;
    letter-spacing: 0.3px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.35);
}

.btn:active {
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
}

.btn-success:hover {
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.35);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%);
}

.btn-danger:hover {
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.35);
}

.btn-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
}

.btn-secondary:hover {
    box-shadow: 0 8px 24px rgba(100, 116, 139, 0.35);
}

/* Alerts and Messages */
.alert {
    padding: 1.25rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-weight: 500;
    border-left: 4px solid;
    background-blend-mode: overlay;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-left-color: var(--success);
    color: #10b981;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-left-color: var(--danger);
    color: #ef4444;
}

.alert-info {
    background: rgba(139, 92, 246, 0.1);
    border-left-color: var(--primary-purple);
    color: #c4b5fd;
}

.alert ul {
    margin: 0.5rem 0 0 0;
}

/* Admin Dashboard */
.admin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2.5rem 2rem;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.products-table {
    width: 100%;
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.products-table table {
    width: 100%;
    border-collapse: collapse;
}

.products-table th {
    background: linear-gradient(135deg, var(--dark-purple) 0%, var(--primary-purple) 100%);
    padding: 1.25rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.95rem;
}

.products-table td {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);

}

.products-table tr:hover {
    background: rgba(139, 92, 246, 0.08);
}

.products-table img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    border-radius: 6px;
}

/* Contact Messages Table */
.messages-table {
    width: 100%;
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    margin-top: 2.5rem;
    border: 1px solid var(--border-color);
}

.messages-table table {
    width: 100%;
    border-collapse: collapse;
}

.messages-table th {
    background: linear-gradient(135deg, var(--dark-purple) 0%, var(--primary-purple) 100%);
    padding: 1.25rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
}

.messages-table td {
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.messages-table tr:hover {
    background: rgba(139, 92, 246, 0.08);
}

/* Analytics Tables */
.analytics-table {
    width: 100%;
    border-collapse: collapse;
}

.analytics-table th {
    background: linear-gradient(135deg, var(--dark-purple) 0%, var(--primary-purple) 100%);
    padding: 0.9rem 1.1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.9rem;
}

.analytics-table td {
    padding: 0.9rem 1.1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
}

.analytics-table tr:hover {
    background: rgba(139, 92, 246, 0.08);
}

/* FAQ Styles */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2.5rem 2rem;
}

.faq-item {
    background: var(--bg-card);
    padding: 1.75rem;
    border-radius: 12px;
    margin-bottom: 1.75rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 12px 32px rgba(139, 92, 246, 0.15);
    border-color: var(--primary-purple);
}

.faq-item h3 {
    color: var(--accent-purple);
    margin-bottom: 1rem;
    font-size: 1.15rem;
    font-weight: 600;
}

.faq-item p {
    color: var(--text-muted);
    line-height: 1.8;
    font-size: 0.95rem;
}
}

/* Login Form */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-form {
    background: var(--bg-card);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.2);
    width: 100%;
    max-width: 420px;
    border: 1px solid var(--border-color);
}

.login-form h2 {
    text-align: center;
    background: linear-gradient(135deg, #ffffff 0%, #c4b5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2.5rem;
    font-size: 1.8rem;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
}

/* CAPTCHA */
.captcha-container {
    margin: 1.75rem 0;
}

.captcha-container p {
    background: var(--bg-darker);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 1.1rem;
    color: var(--accent-purple);
    font-weight: 600;
}

/* Installation Page */
.install-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2.5rem 2rem;

}

.install-steps {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.install-steps h2 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.6rem;
}

.install-step {
    padding: 1.25rem;
    margin-bottom: 1rem;
    border-left: 4px solid var(--primary-purple);
    background: rgba(139, 92, 246, 0.08);
    border-radius: 6px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.install-step.success {
    border-left-color: var(--success);
    background: rgba(16, 185, 129, 0.08);
}

.install-step.error {
    border-left-color: var(--danger);
    background: rgba(239, 68, 68, 0.08);
}

/* Responsive Design */
@media (max-width: 768px) {
    header {
        padding: 1.5rem;
    }

    header h1 {
        font-size: 1.6rem;
    }

    nav ul {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }

    nav ul li a {
        padding: 0.65rem 1rem;
    }

    .container,
    .admin-container,
    .faq-container {
        padding: 1rem;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(14ch, 1fr));
        gap: 1.5rem;
    }

    .filter-options {
        flex-direction: column;
        align-items: flex-start;
    }

    .form-container {
        padding: 1.5rem;
    }

    .admin-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .products-table,
    .messages-table {
        overflow-x: auto;
    }

    .products-table table,
    .messages-table table {
        min-width: 600px;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(14ch, 1fr));
        gap: 1rem;
    }

    .product-icon {
        width: 48px;
        height: 48px;
    }

    .product-title {
        font-size: 0.8rem;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

.hidden {
    display: none;
}

/* Loading Spinner */
.spinner {
    border: 4px solid var(--bg-darker);
    border-top: 4px solid var(--primary-purple);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}