/* ============================================================
   KRISH TECHNOLOGIES - MODERN DARK TECHNOLOGY CSS SYSTEM
   "MASTER OF ELECTRONIC COMPONENTS" - Since 2008
   ============================================================ */

:root {
    --bg-dark: #070b14;
    --bg-surface: #0e1626;
    --bg-card: #111a2e;
    --bg-input: #16223b;
    --border-color: rgba(0, 230, 118, 0.15);
    --border-glow: rgba(0, 230, 118, 0.4);
    
    --kt-green: #00e676;
    --kt-green-hover: #00c853;
    --kt-green-dim: rgba(0, 230, 118, 0.1);
    --kt-green-glow: rgba(0, 230, 118, 0.25);
    --kt-silver: #e2e8f0;
    --text-white: #f8fafc;
    --text-slate: #cbd5e1;
    --text-slate-muted: #94a3b8;
    --text-dark-muted: #64748b;
    
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Global Canvas */
html, body {
    background-color: var(--bg-dark);
    color: var(--text-slate);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.6;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

#circuitCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    opacity: 0.35;
}

h1, h2, h3, h4, h5, h6, .font-heading {
    font-family: var(--font-heading);
    color: var(--text-white);
    letter-spacing: -0.02em;
}

.font-mono {
    font-family: var(--font-mono);
}

/* Official KT Logo Classes - Transparent Background System */
.kt-nav-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
    display: inline-block;
    background: transparent !important;
}

.kt-footer-logo {
    height: 52px;
    width: auto;
    object-fit: contain;
    display: inline-block;
    background: transparent !important;
}

.kt-hero-logo {
    max-height: 110px;
    width: auto;
    object-fit: contain;
    display: inline-block;
    background: transparent !important;
}

.kt-admin-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    background: transparent !important;
}

/* Color & Text Utility Classes */
.bg-kt-dark { background-color: var(--bg-dark) !important; }
.bg-kt-surface { background-color: var(--bg-surface) !important; }
.bg-kt-card { background-color: var(--bg-card) !important; }
.text-kt-green { color: var(--kt-green) !important; }
.text-kt-silver { color: var(--kt-silver) !important; }
.text-slate { color: var(--text-slate) !important; }
.text-slate-muted { color: var(--text-slate-muted) !important; }
.text-xs { font-size: 0.75rem; }
.fs-7 { font-size: 0.875rem; }
.tracking-wider { letter-spacing: 0.05em; }

/* Top Info Bar */
.kt-topbar {
    background-color: #04070e;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-slate-muted);
    position: relative;
    z-index: 1030;
}

.hover-green:hover {
    color: var(--kt-green) !important;
}

/* Sticky Navbar */
.kt-navbar {
    background: rgba(14, 22, 38, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    z-index: 1020;
    transition: var(--transition);
}

.kt-brand-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--text-white);
    letter-spacing: 0.04em;
    line-height: 1.1;
}

.kt-brand-subtitle {
    font-size: 0.625rem;
    color: var(--kt-green);
    font-family: var(--font-mono);
    letter-spacing: 0.08em;
    font-weight: 600;
}

/* Nav Links */
.kt-nav-link {
    color: var(--text-slate) !important;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    padding: 0.5rem 0.85rem !important;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.kt-nav-link:hover, .kt-nav-link.active {
    color: var(--kt-green) !important;
    background: var(--kt-green-dim);
    box-shadow: inset 0 0 0 1px var(--border-color);
}

/* Navbar Toggle */
.kt-toggler {
    color: var(--kt-green);
    font-size: 1.4rem;
    padding: 0.25rem 0.5rem;
}

/* Custom Buttons */
.btn-kt-primary {
    background: linear-gradient(135deg, #00e676 0%, #00b0ff 100%);
    color: #040812 !important;
    font-weight: 700;
    font-family: var(--font-heading);
    border: none;
    padding: 0.6rem 1.4rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    box-shadow: 0 0 15px rgba(0, 230, 118, 0.3);
}

.btn-kt-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(0, 230, 118, 0.5);
    background: linear-gradient(135deg, #00c853 0%, #0091ea 100%);
}

.btn-glow-sm {
    box-shadow: 0 0 10px rgba(0, 230, 118, 0.25);
}

.btn-outline-kt-green {
    border: 1px solid var(--kt-green);
    color: var(--kt-green) !important;
    background: transparent;
    font-weight: 600;
    padding: 0.55rem 1.3rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-outline-kt-green:hover {
    background: var(--kt-green);
    color: #040812 !important;
    box-shadow: 0 0 15px rgba(0, 230, 118, 0.4);
}

/* Badges & Tags */
.badge-year-tag {
    background: rgba(0, 230, 118, 0.12);
    border: 1px solid rgba(0, 230, 118, 0.3);
    color: var(--kt-green);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.03em;
}

.badge-stock-in {
    background: rgba(0, 230, 118, 0.15);
    color: #00e676;
    border: 1px solid rgba(0, 230, 118, 0.3);
}

.badge-stock-request {
    background: rgba(255, 171, 0, 0.15);
    color: #ffab00;
    border: 1px solid rgba(255, 171, 0, 0.3);
}

.badge-stock-out {
    background: rgba(255, 82, 82, 0.15);
    color: #ff5252;
    border: 1px solid rgba(255, 82, 82, 0.3);
}

/* Glassmorphism Cards */
.kt-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.kt-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: 0 8px 30px rgba(0, 230, 118, 0.12);
}

/* Category Grid & Cards */
.cat-card-icon {
    width: 52px;
    height: 52px;
    background: var(--kt-green-dim);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--kt-green);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.kt-card:hover .cat-card-icon {
    background: var(--kt-green);
    color: #040812;
    box-shadow: 0 0 15px rgba(0, 230, 118, 0.4);
}

/* Product Card */
.product-card-img {
    height: 180px;
    width: 100%;
    object-fit: cover;
    background: #080f1e;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    color: transparent;
}

.kt-card:hover .product-card-img {
    transform: scale(1.03);
}

.product-part-no {
    font-family: var(--font-mono);
    color: var(--kt-green);
    font-weight: 600;
    font-size: 0.85rem;
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 80px 0 60px 0;
    background: radial-gradient(circle at 50% 20%, #0d1e38 0%, var(--bg-dark) 80%);
    border-bottom: 1px solid var(--border-color);
}

.hero-glow-orb {
    position: absolute;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(0, 230, 118, 0.15) 0%, transparent 70%);
    top: 5%;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.1;
    color: #ffffff;
}

.hero-tagline {
    font-family: var(--font-mono);
    color: var(--kt-green);
    letter-spacing: 0.1em;
    font-weight: 700;
    font-size: clamp(0.9rem, 2.5vw, 1.25rem);
}

/* Stats Counter Box */
.stat-box {
    background: rgba(14, 22, 38, 0.7);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem 1rem;
    text-align: center;
    backdrop-filter: blur(8px);
    transition: var(--transition);
}

.stat-box:hover {
    border-color: var(--kt-green);
    box-shadow: 0 0 20px rgba(0, 230, 118, 0.15);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--kt-green);
    line-height: 1.2;
}

/* Form Controls */
.form-control-kt {
    background-color: var(--bg-input);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    border-radius: var(--radius-sm);
    padding: 0.65rem 1rem;
    transition: var(--transition);
}

.form-control-kt:focus {
    background-color: #1a2947;
    border-color: var(--kt-green);
    color: #ffffff;
    box-shadow: 0 0 10px rgba(0, 230, 118, 0.2);
    outline: none;
}

.form-control-kt::placeholder {
    color: var(--text-slate-muted);
}

.form-select-kt {
    background-color: var(--bg-input);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    border-radius: var(--radius-sm);
    padding: 0.65rem 1rem;
}

.form-select-kt:focus {
    border-color: var(--kt-green);
    box-shadow: 0 0 10px rgba(0, 230, 118, 0.2);
}

/* Table Design */
.kt-table {
    color: var(--text-slate);
    border-color: rgba(255, 255, 255, 0.08);
}

.kt-table th {
    background-color: var(--bg-surface);
    color: var(--text-white);
    font-family: var(--font-heading);
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
}

.kt-table td {
    background-color: var(--bg-card);
    vertical-align: middle;
}

/* Brand Grid */
.brand-logo-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    transition: var(--transition);
}

.brand-logo-box img {
    max-height: 48px;
    max-width: 100%;
    filter: brightness(0.9) contrast(1.1);
    transition: var(--transition);
}

.brand-logo-box:hover {
    border-color: var(--kt-green);
    box-shadow: 0 0 20px rgba(0, 230, 118, 0.2);
    transform: translateY(-3px);
}

/* Footer & WhatsApp Float */
.kt-footer {
    background-color: #04070e;
    border-top: 1px solid var(--border-color);
    position: relative;
    z-index: 10;
}

.footer-links a {
    color: var(--text-slate-muted);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    padding: 0.25rem 0;
}

.footer-links a:hover {
    color: var(--kt-green);
    transform: translateX(4px);
}

.btn-icon-social {
    width: 36px;
    height: 36px;
    background: var(--bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-slate);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-icon-social:hover {
    border-color: var(--kt-green);
    color: var(--kt-green);
    box-shadow: 0 0 10px rgba(0, 230, 118, 0.3);
}

.kt-whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 56px;
    height: 56px;
    background: #25d366;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
    z-index: 1040;
    transition: var(--transition);
    text-decoration: none;
}

.kt-whatsapp-float:hover {
    transform: scale(1.1);
    color: #ffffff;
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.7);
}

.kt-wa-tooltip {
    position: absolute;
    right: 68px;
    background: #111a2e;
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    white-space: nowrap;
    border: 1px solid #25d366;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.kt-whatsapp-float:hover .kt-wa-tooltip {
    opacity: 1;
}

/* Alert Styling */
.kt-alert {
    background: var(--bg-surface);
    border: 1px solid var(--kt-green);
    color: var(--text-white);
    border-radius: var(--radius-sm);
}

/* Specifications Table */
.spec-table {
    border: 1px solid var(--border-color);
}
.spec-table tr:nth-child(even) td {
    background-color: rgba(255, 255, 255, 0.02);
}
.spec-key {
    font-weight: 600;
    color: var(--text-white);
    width: 35%;
}

/* Admin Dashboard Elements */
.admin-sidebar {
    min-height: 100vh;
    background: #040812;
    border-right: 1px solid var(--border-color);
}
.admin-nav-item {
    color: var(--text-slate);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: var(--transition);
}
.admin-nav-item:hover, .admin-nav-item.active {
    background: var(--kt-green-dim);
    color: var(--kt-green);
    border-left-color: var(--kt-green);
}

/* Responsive Rules */
@media (max-width: 991.98px) {
    .kt-navbar .navbar-collapse {
        background: var(--bg-surface);
        padding: 1.25rem;
        border-radius: var(--radius-md);
        margin-top: 0.75rem;
        border: 1px solid var(--border-color);
    }
}

@media (max-width: 575.98px) {
    .hero-section {
        padding: 40px 0 30px 0;
    }
    .stat-number {
        font-size: 1.4rem;
    }
}