/* =====================================================================
   FabriQ 3D Printing Platform - Main Stylesheet
   ===================================================================== */

:root {
    --primary: #FFD700;
    --primary-dark: #FFC700;
    --secondary: #1a1a1a;
    --accent: #FF6B6B;
    --success: #51CF66;
    --warning: #FFD93D;
    --error: #FF6B6B;

    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-tertiary: #808080;
    --border: #333333;

    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --radius: 0.5rem;
    --shadow-sm: 0 1px 2px 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, 0.2);
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #eeeeee;
    --text-primary: #000000;
    --text-secondary: #505050;
    --text-tertiary: #808080;
    --border: #e0e0e0;
}

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

html, body {
    height: 100%;
    width: 100%;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-dark);
}

button {
    font-family: var(--font-family);
    cursor: pointer;
    border: none;
    border-radius: var(--radius);
    transition: all 0.2s;
}

input, textarea, select {
    font-family: var(--font-family);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-md);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary);
}

/* =====================================================================
   NAVBAR & HEADER
   ===================================================================== */

header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.navbar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
    padding: var(--space-md) var(--space-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius);
    transition: all 0.2s;
    color: var(--text-secondary);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-actions {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    padding: var(--space-sm);
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.icon-moon, .icon-sun {
    width: 20px;
    height: 20px;
}

.icon-sun { display: none; }
[data-theme="light"] .icon-sun { display: block; }
[data-theme="light"] .icon-moon { display: none; }

/* =====================================================================
   CONTAINER
   ===================================================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    width: 100%;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--space-md);
    font-weight: 600;
    line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p, li {
    font-size: 1rem;
    color: var(--text-secondary);
}

main {
    min-height: calc(100vh - 200px);
}

/* =====================================================================
   HERO SECTION
   ===================================================================== */

.hero {
    position: relative;
    padding: var(--space-2xl) 0;
    background: var(--bg-secondary);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    bottom: -20%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--primary), transparent);
    border-radius: 50%;
    opacity: 0.1;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background-color: rgba(255, 215, 0, 0.1);
    color: var(--primary);
    padding: var(--space-sm) var(--space-lg);
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.text-gradient {
    color: var(--primary);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: var(--space-xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
}

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

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.stat-divider {
    width: 1px;
    height: 50px;
    background-color: var(--border);
}

/* =====================================================================
   BUTTONS
   ===================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
    cursor: pointer;
}

.btn-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9rem;
}

.btn-lg {
    padding: var(--space-lg) var(--space-xl);
    font-size: 1.1rem;
}

.btn.w-full {
    width: 100%;
    justify-content: center;
}

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

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

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: #3a3a3a;
}

.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background-color: var(--bg-tertiary);
}

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

.btn-white:hover {
    background-color: #f0f0f0;
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}

/* =====================================================================
   SECTIONS
   ===================================================================== */

.section {
    padding: var(--space-2xl) 0;
}

.section-alt {
    background-color: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* =====================================================================
   PRODUCTS GRID
   ===================================================================== */

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.product-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.product-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--accent);
    color: white;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius);
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-new {
    background-color: var(--primary);
    color: var(--bg-primary);
}

.product-image {
    width: 100%;
    height: 200px;
    background-color: var(--bg-tertiary);
    overflow: hidden;
    position: relative;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: var(--text-tertiary);
}

.product-placeholder svg {
    width: 60px;
    height: 60px;
}

.product-info {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.product-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    flex-grow: 1;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-md);
}

.product-price {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 700;
}

/* =====================================================================
   EMPTY STATE
   ===================================================================== */

.empty-state {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
}

.empty-state svg {
    width: 100px;
    height: 100px;
    color: var(--text-tertiary);
    margin-bottom: var(--space-lg);
}

.empty-state h3 {
    margin-bottom: var(--space-md);
}

.empty-state p {
    margin-bottom: var(--space-lg);
}

/* =====================================================================
   CTA SECTION
   ===================================================================== */

.cta-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-2xl);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-2xl);
    align-items: center;
}

.cta-content {
    flex: 1;
}

.cta-title {
    font-size: 2rem;
    margin-bottom: var(--space-lg);
}

.cta-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

.cta-pricing {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.price-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.price-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.price-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.cta-action {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* =====================================================================
   NEWSLETTER
   ===================================================================== */

.newsletter-card {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-2xl);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-2xl);
    align-items: center;
}

.newsletter-content {
    flex: 1;
}

.newsletter-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.newsletter-text {
    color: var(--text-secondary);
}

.newsletter-form {
    display: flex;
    gap: var(--space-md);
}

.newsletter-input {
    flex: 1;
    min-width: 250px;
    padding: var(--space-md);
}

/* =====================================================================
   FOOTER
   ===================================================================== */

.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    flex: 1;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.footer-team {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-links h4 {
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: var(--space-lg);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-bottom p {
    margin-bottom: var(--space-sm);
}

.footer-bottom p:last-child {
    margin-bottom: 0;
}

/* =====================================================================
   UTILITY CLASSES
   ===================================================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.w-full { width: 100%; }
.hidden { display: none !important; }

/* =====================================================================
   AUTH PAGES (LOGIN/REGISTER)
   ===================================================================== */

.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-lg);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.auth-header .logo {
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.auth-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.auth-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--space-md);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: all 0.2s;
    font-family: var(--font-family);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    background-color: var(--bg-secondary);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-tertiary);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

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

.form-hint {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: var(--space-sm);
}

.pricing-info {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-xl);
}

.pricing-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-md) 0;
    color: var(--text-secondary);
}

.pricing-item:not(:last-child) {
    border-bottom: 1px solid var(--border);
}

.pricing-value {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--primary);
}

.text-muted {
    color: var(--text-secondary);
}

.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-lg);
}

.order-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--space-2xl);
    align-items: start;
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--primary);
}

.auth-footer a:hover {
    color: var(--primary-dark);
}

/* =====================================================================
   FLASH MESSAGES
   ===================================================================== */

.flash-messages {
    margin: var(--space-lg) 0;
}

.flash {
    padding: var(--space-lg);
    border-radius: var(--radius);
    margin-bottom: var(--space-md);
    border-left: 4px solid;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flash-success {
    background-color: rgba(81, 207, 102, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.flash-error {
    background-color: rgba(255, 107, 107, 0.1);
    border-color: var(--error);
    color: var(--error);
}

.flash-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    margin-left: var(--space-md);
}

/* =====================================================================
   RESPONSIVE DESIGN
   ===================================================================== */

@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }

    .cta-card {
        grid-template-columns: 1fr;
    }

    .cta-pricing {
        grid-template-columns: repeat(2, 1fr);
    }

    .newsletter-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-input {
        min-width: 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar-content {
        gap: var(--space-md);
        padding: var(--space-md);
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        gap: 4px;
        width: 30px;
    }

    .mobile-menu-btn span {
        width: 100%;
        height: 3px;
        background-color: var(--text-primary);
        border-radius: 2px;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-badge {
        font-size: 0.8rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn-lg {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .stat-divider {
        display: none;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: var(--space-md);
    }

    .section-title {
        font-size: 1.8rem;
    }

    .cta-pricing {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links {
        align-items: center;
    }

    .order-layout {
        grid-template-columns: 1fr;
    }

    .pricing-info {
        position: static !important;
    }
}

@media (max-width: 480px) {
    .logo-text {
        display: none;
    }

    .nav-actions {
        gap: var(--space-sm);
    }

    .btn-sm {
        padding: var(--space-sm) var(--space-sm);
        font-size: 0.8rem;
    }

    .hero {
        padding: var(--space-lg) 0;
    }

    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.2rem; }
    h3 { font-size: 1rem; }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .hero-stats {
        font-size: 0.9rem;
    }

    .stat-value {
        font-size: 1.3rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .product-image {
        height: 150px;
    }

    .footer-grid {
        gap: var(--space-lg);
    }
}