/* 
 * K1Chat Platinum Elite V12 
 * Minimalist Luxury Design System (Studio Grade)
 */

@import url('/css/variables.css');

body {
    background: var(--k1-bg-primary);
    color: var(--k1-text-main);
    font-family: var(--k1-font-main);
    margin: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.glass-panel {
    background: var(--k1-glass-bg);
    backdrop-filter: blur(var(--k1-glass-blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--k1-glass-blur)) saturate(180%);
    border: 1px solid var(--k1-glass-border);
    border-radius: var(--k1-radius-2xl);
    box-shadow: var(--k1-glass-shadow);
    transition: var(--k1-trans);
}

.glass-panel:hover {
    border-color: var(--k1-primary);
    transform: translateY(-2px);
    box-shadow: var(--k1-shadow-lg);
}

.container-elite {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Elite Header System */
.elite-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: #ffffff;
    border-bottom: 1px solid #eeeeee;
    transition: var(--k1-trans);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: -1.2px;
    color: #000000;
    font-family: 'Outfit', sans-serif;
}

/* Typography */
.text-gradient {
    background: var(--k1-grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.text-title {
    font-size: var(--k1-text-4xl);
    font-weight: 900;
    letter-spacing: -3px;
    line-height: 0.95;
    margin-bottom: 24px;
    font-family: var(--k1-font-heading);
}

/* Elite Buttons */
.btn-elite {
    background: var(--k1-primary);
    color: white;
    border: none;
    padding: 20px 48px;
    border-radius: var(--k1-radius-full);
    font-weight: 800;
    font-size: 1.05rem;
    cursor: pointer;
    transition: var(--k1-trans);
    box-shadow: var(--k1-shadow-md);
    border: 1px solid transparent;
}

.btn-elite:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--k1-shadow-lg);
    filter: brightness(1.1);
}

.btn-elite-outline {
    background: transparent;
    border: 1px solid var(--k1-glass-border);
    color: var(--k1-text-main);
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 800;
    cursor: pointer;
    transition: var(--k1-trans);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
}

.btn-elite-outline:hover {
    background: var(--k1-bg-secondary);
    border-color: var(--k1-primary);
    transform: translateY(-2px);
    box-shadow: var(--k1-shadow-md);
    color: var(--k1-primary);
}

/* Form Elements */
.input-elite {
    width: 100%;
    background: #ffffff;
    border: 1px solid var(--k1-slate-200);
    padding: 18px 24px;
    border-radius: var(--k1-radius-lg);
    font-size: 1rem;
    font-weight: 500;
    transition: var(--k1-trans);
    box-sizing: border-box;
    font-family: var(--k1-font-main);
}

.input-elite:focus {
    outline: none;
    background: #ffffff;
    border-color: var(--k1-primary);
    box-shadow: 0 0 0 6px rgba(0, 0, 0, 0.03);
    transform: translateY(-1px);
}

/* Navigation Icon Styling */
.nav-icon {
    font-size: 1.6rem;
    color: var(--k1-primary);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    transition: all 0.3s ease;
    background: transparent;
}

.nav-icon:hover {
    background: var(--k1-bg-secondary);
    color: var(--k1-primary);
    box-shadow: var(--k1-shadow-sm);
    transform: rotate(5deg);
}

/* Logo Animation */
.logo-minimal {
    transition: var(--k1-trans);
}

.logo-minimal:hover {
    transform: rotate(90deg) scale(1.1);
    border-radius: 16px;
}

/* Animations */
@keyframes fadeInSlideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes aurora-bg {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.reveal {
    animation: fadeInSlideUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.aurora-mesh, .studio-mesh {
    background: var(--k1-grad-aurora);
    background-size: 400% 400%;
    animation: aurora-bg 15s ease infinite;
    min-height: 100vh;
    background-color: var(--k1-bg-primary);
}

.studio-mesh {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Legacy Class Mappings (V12 Compatibility Layer) */
.btn-platinum {
    background: var(--k1-primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--k1-radius-md);
    font-weight: 800;
    cursor: pointer;
    transition: var(--k1-trans);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-platinum:hover {
    transform: translateY(-2px);
    box-shadow: var(--k1-shadow-md);
}

.input-box {
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid var(--k1-glass-border);
    padding: 15px 20px;
    border-radius: var(--k1-radius-md);
    font-size: 0.95rem;
    transition: var(--k1-trans);
}

.input-box:focus {
    outline: none;
    border-color: var(--k1-accent);
    background: white;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.08);
}


.container-wide {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 40px;
}

/* --- Compact Scale (Global Density Override) --- */
.compact-scale {
    --k1-radius-2xl: 24px;
    --k1-radius-xl: 18px;
    --k1-radius-lg: 12px;
}

.compact-scale .hero-title { font-size: 2.8rem; letter-spacing: -2px; }
.compact-scale .hero-desc { font-size: 1rem; }
.compact-scale .glass-panel { padding: 30px !important; }
.compact-scale .btn-elite { padding: 14px 36px; font-size: 0.95rem; }

/* --- Elite Studio Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
}

/* --- Responsive Layout & Mobile Menu --- */
@media (max-width: 1024px) {
    .container-elite { padding: 0 20px; }
    .desktop-nav-area, .desktop-only { display: none !important; }
    .mobile-menu-toggle { display: flex !important; }
}

.mobile-menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    background: var(--k1-slate-50);
    border: 1px solid var(--k1-glass-border);
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--k1-trans);
    color: var(--k1-text-main);
}

.mobile-menu-toggle:hover {
    background: var(--k1-white);
    border-color: var(--k1-primary);
    color: var(--k1-primary);
}

/* Mobile Drawer */
.mobile-menu-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    z-index: 2000;
    opacity: 0; visibility: hidden;
    transition: 0.3s ease;
}
.mobile-menu-overlay.active { opacity: 1; visibility: visible; }

.mobile-menu-drawer {
    position: fixed; top: 0; right: -320px; width: 320px; height: 100%;
    background: #ffffff;
    z-index: 2001;
    box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex; flex-direction: column;
}
.mobile-menu-drawer.active { right: 0; }

.drawer-header {
    padding: 24px;
    display: flex; justify-content: space-between; align-items: center;
    border-bottom: 1px solid var(--k1-slate-100);
}
.drawer-logo { font-size: 1.2rem; font-weight: 900; font-family: 'Outfit'; }
.drawer-close { background: none; border: none; font-size: 1.8rem; cursor: pointer; }

.drawer-content { flex: 1; overflow-y: auto; padding: 20px; }
.drawer-footer { padding: 24px; border-top: 1px solid var(--k1-slate-100); }

/* Mobile Nav Items */
.mobile-nav-list { list-style: none; padding: 0; margin: 0; }
.mobile-nav-item { margin-bottom: 10px; }
.mobile-nav-row { 
    display: flex; justify-content: space-between; align-items: center; 
    padding: 12px 16px; background: var(--k1-slate-50); border-radius: 12px;
    cursor: pointer; transition: 0.2s;
}
.mobile-nav-link { text-decoration: none; color: #111; font-weight: 700; font-size: 0.95rem; flex: 1; }
.mobile-caret { transition: 0.3s; color: var(--k1-slate-400); }
.mobile-caret.rotated { transform: rotate(180deg); }

.mobile-submenu { 
    list-style: none; padding: 10px 0 10px 16px; display: none; 
    flex-direction: column; gap: 8px; border-left: 2px solid var(--k1-slate-100); margin: 5px 0 15px 16px;
}
.mobile-submenu.open { display: flex; }
.mobile-submenu-title { font-size: 0.7rem; font-weight: 950; color: var(--k1-slate-400); text-transform: uppercase; margin-top: 10px; }
.mobile-submenu-link { text-decoration: none; color: var(--k1-text-dim); font-size: 0.9rem; font-weight: 600; padding: 5px 0; display: block; }

/* --- Elite Footer Design (Responsive) --- */
.footer-grid-elite {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    align-items: start;
}

@media (max-width: 900px) {
    .footer-grid-elite {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-grid-elite > div {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .footer-grid-elite nav,
    .footer-grid-elite .support-info {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-grid-elite h4 {
        margin-bottom: 20px !important;
    }
}