/**
 * ============================================================================
 * QENEX UNIFIED DESIGN SYSTEM - COMPONENTS
 * Version: 2.0.0
 * ============================================================================
 *
 * This file contains all component styles.
 * Import AFTER tokens.css and base.css
 */

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--btn-padding-y) var(--btn-padding-x);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--btn-radius);
    cursor: pointer;
    transition: var(--transition-all-base);
    white-space: nowrap;
    min-height: var(--touch-target-min);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Primary Button - Gradient with glow */
.btn-primary {
    background: var(--gradient-button);
    color: var(--text-primary);
    box-shadow: var(--glow-cyan-button);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-cyan-intense), 0 6px 20px rgba(0, 0, 0, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Ripple effect on click */
.btn-primary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:active::after {
    width: 300px;
    height: 300px;
}

/* Secondary Button - Outline style */
.btn-secondary {
    background: var(--surface-raised);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.btn-secondary:hover {
    background: var(--surface-elevated);
    border-color: var(--brand-accent);
    box-shadow: var(--glow-cyan);
}

/* Ghost Button - Transparent with border */
.btn-ghost {
    background: transparent;
    color: var(--brand-accent);
    border: 1px solid var(--border-default);
}

.btn-ghost:hover {
    background: var(--brand-accent-subtle);
    border-color: var(--brand-accent);
}

/* Text Button - No background */
.btn-text {
    background: transparent;
    color: var(--brand-accent);
    padding: var(--space-2) var(--space-3);
}

.btn-text:hover {
    background: var(--brand-accent-subtle);
}

/* Button Sizes */
.btn-sm {
    padding: var(--btn-padding-y-sm) var(--btn-padding-x-sm);
    font-size: var(--text-sm);
    min-height: 36px;
}

.btn-lg {
    padding: var(--btn-padding-y-lg) var(--btn-padding-x-lg);
    font-size: var(--text-lg);
    min-height: 52px;
}

/* Icon Button */
.btn-icon {
    width: var(--touch-target-min);
    height: var(--touch-target-min);
    padding: 0;
    border-radius: var(--radius-md);
}

/* ============================================================================
   CARDS
   ============================================================================ */

.card {
    background: var(--surface-raised);
    border: 1px solid var(--border-subtle);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    transition: var(--transition-all-base);
}

.card:hover {
    border-color: var(--border-default);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

/* Glass Card - Frosted glass effect */
.card-glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur) var(--glass-saturate);
    -webkit-backdrop-filter: var(--glass-blur) var(--glass-saturate);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
}

/* Product Card - Holographic effect */
.card-product {
    background: linear-gradient(
        145deg,
        rgba(68, 49, 141, 0.4) 0%,
        rgba(42, 27, 61, 0.6) 50%,
        rgba(68, 49, 141, 0.3) 100%
    );
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-default);
    border-radius: var(--card-radius);
    padding: var(--card-padding-lg);
    position: relative;
    overflow: hidden;
    transition: var(--transition-all-base);
}

.card-product::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-text);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card-product::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(0, 240, 255, 0.08),
        transparent
    );
    transition: left 0.5s;
}

.card-product:hover {
    transform: translateY(-6px);
    border-color: var(--brand-accent);
    box-shadow: var(--shadow-card-hover);
}

.card-product:hover::before {
    opacity: 1;
}

.card-product:hover::after {
    left: 100%;
}

/* Card Header */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}

.card-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--text-muted);
}

/* ============================================================================
   BADGES
   ============================================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    border-radius: var(--radius-full);
}

.badge-primary {
    background: var(--brand-accent-subtle);
    color: var(--brand-accent);
    border: 1px solid var(--border-default);
}

.badge-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.badge-error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid var(--color-error-border);
}

.badge-premium {
    background: var(--gradient-button);
    color: var(--text-primary);
    box-shadow: var(--glow-magenta-sm);
}

.badge-live {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.badge-live::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* ============================================================================
   NAVIGATION
   ============================================================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur) var(--glass-saturate);
    -webkit-backdrop-filter: var(--glass-blur) var(--glass-saturate);
    border-bottom: 1px solid var(--border-subtle);
    padding: 0 var(--space-6);
}

.nav-container {
    max-width: var(--container-2xl);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--nav-height);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    font-weight: var(--font-bold);
    font-size: var(--text-2xl);
    color: var(--text-primary);
}

.nav-logo-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--gradient-button);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--glow-cyan);
}

.nav-links {
    display: flex;
    gap: var(--space-2);
    align-items: center;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    font-weight: var(--font-medium);
    transition: var(--transition-all-fast);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--surface-overlay);
}

.nav-link.active {
    color: var(--brand-accent);
}

.nav-cta {
    background: var(--gradient-button);
    color: var(--text-primary) !important;
    padding: var(--space-2) var(--space-6);
    border-radius: var(--radius-md);
    font-weight: var(--font-semibold);
    box-shadow: var(--glow-cyan-button);
    transition: var(--transition-all-base);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-cyan-intense);
}

/* ============================================================================
   FORMS
   ============================================================================ */

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
}

.form-input,
.input {
    width: 100%;
    padding: var(--input-padding-y) var(--input-padding-x);
    background: var(--surface-raised);
    border: 1px solid var(--input-border);
    border-radius: var(--input-radius);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: var(--text-base);
    transition: var(--transition-all-fast);
}

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

.form-input:focus,
.input:focus {
    outline: none;
    border-color: var(--brand-accent);
    box-shadow: var(--input-focus-ring);
}

.form-input:disabled,
.input:disabled {
    background: var(--surface-dark);
    cursor: not-allowed;
}

/* Textarea */
textarea.form-input,
textarea.input {
    min-height: 120px;
    resize: vertical;
}

/* Select */
.form-select,
select.input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23A9A9C9' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    padding-right: var(--space-10);
}

/* Search Input */
.input-search {
    padding-left: var(--space-10);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' fill='%236B6B8A' viewBox='0 0 24 24'%3E%3Cpath d='M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z' stroke='%236B6B8A' stroke-width='2' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: var(--space-3) center;
}

/* Input Group */
.input-group {
    display: flex;
    gap: var(--space-3);
}

.input-group .input {
    flex: 1;
}

/* ============================================================================
   MODAL
   ============================================================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--modal-backdrop);
    backdrop-filter: blur(8px);
    z-index: var(--z-modal-backdrop);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-all-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur) var(--glass-saturate);
    -webkit-backdrop-filter: var(--glass-blur) var(--glass-saturate);
    border: 1px solid var(--border-default);
    border-radius: var(--modal-radius);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--glow-cyan), var(--shadow-xl);
    transform: scale(0.9) translateY(20px);
    transition: var(--transition-all-base);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: var(--modal-padding);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: var(--text-xl);
    font-weight: var(--font-bold);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--surface-overlay);
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-all-fast);
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.5);
    color: var(--color-error);
}

.modal-body {
    padding: var(--modal-padding);
}

.modal-footer {
    padding: var(--modal-padding);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
}

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

.hero {
    position: relative;
    padding: 160px var(--space-6) 100px;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(0, 240, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 70% 80%, rgba(216, 59, 210, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--brand-accent-subtle);
    border: 1px solid var(--border-default);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--brand-accent);
    margin-bottom: var(--space-8);
}

.hero-badge .pulse {
    width: 8px;
    height: 8px;
    background: var(--brand-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: var(--text-7xl);
    font-weight: var(--font-extrabold);
    line-height: var(--leading-none);
    margin-bottom: var(--space-6);
    background: var(--gradient-text-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto var(--space-10);
    line-height: var(--leading-relaxed);
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================================================
   SECTION HEADER
   ============================================================================ */

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-extrabold);
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--text-primary), var(--brand-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: var(--text-lg);
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

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

.footer {
    background: var(--surface-base);
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-16) var(--space-6);
}

.footer-content {
    max-width: var(--container-xl);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
}

.footer-brand h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: var(--text-muted);
    margin-bottom: var(--space-3);
}

.footer-section h4 {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    margin-bottom: var(--space-2);
}

.footer-section a {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--brand-accent);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-10);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-copy {
    text-align: center;
    color: var(--text-dim);
    font-size: var(--text-sm);
}

/* ============================================================================
   TABLES (Terminal Style)
   ============================================================================ */

.table-terminal {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
}

.table-terminal th {
    background: var(--surface-overlay);
    color: var(--brand-accent);
    text-align: left;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-default);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.table-terminal td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

.table-terminal tr:hover td {
    background: var(--surface-raised);
}

/* ============================================================================
   LOADING STATES
   ============================================================================ */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--modal-backdrop);
    z-index: var(--z-modal);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-all-base);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-static);
    border-top-color: var(--brand-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text {
    margin-top: var(--space-6);
    font-size: var(--text-lg);
    color: var(--text-secondary);
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--surface-raised) 0%,
        var(--surface-elevated) 50%,
        var(--surface-raised) 100%
    );
    background-size: 200% 100%;
    animation: skeleton 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============================================================================
   TOOLTIP
   ============================================================================ */

.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-2) var(--space-3);
    background: var(--surface-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-all-fast);
    z-index: var(--z-tooltip);
    margin-bottom: var(--space-2);
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* ============================================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================================ */

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

@media (max-width: 768px) {
    :root {
        --nav-height: var(--nav-height-mobile);
    }

    .hero {
        padding: 120px var(--space-4) 80px;
    }

    .hero-title {
        font-size: var(--text-4xl);
    }

    .hero-subtitle {
        font-size: var(--text-base);
    }

    .nav-links {
        display: none;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }
}