/* ==========================================================================
   79F MEDIA & EVENT - E-CARD DESIGN SYSTEM
   Author: Antigravity AI
   Target: Nguyễn Mạnh Cường - Founder
   ========================================================================== */

:root {
    /* Color Tokens - Dark Mode (Default Luxury) */
    --bg-dark: #090B0E;
    --card-bg: rgba(22, 26, 35, 0.75);
    --card-border: rgba(229, 184, 58, 0.22);
    --card-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    
    --text-primary: #FFFFFF;
    --text-secondary: #9DA6B8;
    --text-muted: #6C7588;

    /* Brand Accent Colors */
    --gold-primary: #E5B83A;
    --gold-hover: #F3CA4F;
    --gold-glow: rgba(229, 184, 58, 0.4);
    --gold-gradient: linear-gradient(135deg, #F3CA4F 0%, #D49D1A 100%);
    
    --dark-accent: #171A21;
    --dark-border: rgba(255, 255, 255, 0.08);
    
    /* Interactive Colors */
    --btn-primary-bg: linear-gradient(135deg, #E5B83A 0%, #C99318 100%);
    --btn-primary-text: #0D0E12;
    --btn-secondary-bg: rgba(255, 255, 255, 0.07);
    --btn-secondary-text: #E5E9F0;
    --zalo-color: #0068FF;

    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --radius-xl: 28px;
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Light Theme Variables */
body.light-theme {
    --bg-dark: #F2F4F8;
    --card-bg: rgba(255, 255, 255, 0.88);
    --card-border: rgba(229, 184, 58, 0.35);
    --card-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    
    --text-primary: #121620;
    --text-secondary: #4A5568;
    --text-muted: #718096;

    --dark-accent: #F7FAFC;
    --dark-border: rgba(0, 0, 0, 0.08);

    --btn-secondary-bg: rgba(0, 0, 0, 0.05);
    --btn-secondary-text: #1A202C;
}

/* Reset & Global Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 12px;
    position: relative;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* Background Animated Lights */
.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: 0;
    pointer-events: none;
    opacity: 0.45;
}

.bg-glow-1 {
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, rgba(229, 184, 58, 0.3) 0%, rgba(0,0,0,0) 70%);
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
}

.bg-glow-2 {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(0, 104, 255, 0.15) 0%, rgba(0,0,0,0) 70%);
    bottom: -100px;
    right: 10%;
}

.bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 24px 24px;
    z-index: 0;
    pointer-events: none;
}

/* Wrapper & Card Shell */
.ecard-wrapper {
    width: 100%;
    max-width: 460px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.ecard-container {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    position: relative;
    transition: var(--transition);
}

/* Top Floating Nav Bar */
.top-nav-bar {
    position: absolute;
    top: 16px;
    left: 16px;
    right: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 20;
}

.icon-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.05rem;
    transition: var(--transition);
}

.icon-btn:hover {
    background: var(--gold-primary);
    color: #000000;
    transform: translateY(-2px) scale(1.05);
    border-color: var(--gold-primary);
    box-shadow: 0 6px 15px var(--gold-glow);
}

/* Cover Banner */
.cover-banner {
    height: 160px;
    position: relative;
    background: linear-gradient(135deg, #181C26 0%, #0D0F14 50%, #292211 100%);
    background-size: cover;
    overflow: hidden;
}

.banner-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(229, 184, 58, 0.25) 0%, transparent 60%);
}

.status-badge {
    position: absolute;
    bottom: 12px;
    right: 16px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(76, 175, 80, 0.4);
    padding: 5px 12px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 0.75rem;
    color: #E2E8F0;
    font-weight: 500;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #4CAF50;
    box-shadow: 0 0 8px #4CAF50;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(76, 175, 80, 0.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 6px rgba(76, 175, 80, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(76, 175, 80, 0); }
}

/* Profile Header Section */
.profile-header {
    text-align: center;
    padding: 0 24px 20px 24px;
    margin-top: -65px;
    position: relative;
    z-index: 10;
}

/* Avatar Styling */
.avatar-box {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 14px auto;
}

.avatar-ring {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--gold-gradient);
    box-shadow: 0 8px 25px var(--gold-glow);
    z-index: 1;
}

.avatar-img {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--bg-dark);
    z-index: 2;
    background-color: #1A1D24;
}

/* Logo Badge */
.logo-badge-container {
    display: flex;
    justify-content: center;
    margin-bottom: 12px;
}

.logo-badge {
    background: #FFFFFF;
    padding: 6px 18px;
    border-radius: var(--radius-md);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(229, 184, 58, 0.3);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.logo-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(229, 184, 58, 0.35);
}

.company-logo {
    height: 34px;
    width: auto;
    object-fit: contain;
    display: block;
}

/* Profile Typography */
.profile-name {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    margin-bottom: 8px;
    text-transform: uppercase;
}

/* Social Icon Row Under Name */
.social-links-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.social-icon-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--dark-accent);
    border: 1px solid var(--dark-border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.social-icon-btn:hover {
    transform: translateY(-3px) scale(1.1);
    color: #FFFFFF;
}

.social-icon-btn.facebook:hover {
    background: #1877F2;
    border-color: #1877F2;
    box-shadow: 0 6px 18px rgba(24, 119, 242, 0.4);
}

.social-icon-btn.youtube:hover {
    background: #FF0000;
    border-color: #FF0000;
    box-shadow: 0 6px 18px rgba(255, 0, 0, 0.4);
}

.social-icon-btn.tiktok:hover {
    background: #000000;
    border-color: #25F4EE;
    color: #FFFFFF;
    box-shadow: 0 6px 18px rgba(37, 244, 238, 0.4);
}

.role-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(229, 184, 58, 0.12);
    border: 1px solid rgba(229, 184, 58, 0.35);
    color: var(--gold-primary);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.gold-icon {
    color: var(--gold-primary);
}

.company-name {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.company-sub {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Tabs Navigation */
.ecard-tabs {
    display: flex;
    background: var(--dark-accent);
    margin: 0 16px 20px 16px;
    padding: 5px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--dark-border);
}

.tab-btn {
    flex: 1;
    padding: 10px 8px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: var(--transition);
}

.tab-btn i {
    font-size: 0.9rem;
}

.tab-btn.active {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    box-shadow: 0 4px 15px var(--gold-glow);
}

/* Tab Panels */
.tab-content-container {
    padding: 0 20px 24px 20px;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.35s ease-in-out forwards;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Primary Action Buttons */
.primary-actions {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 10px;
    margin-bottom: 22px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    box-shadow: 0 6px 20px var(--gold-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(229, 184, 58, 0.5);
    filter: brightness(1.08);
}

.btn-secondary {
    background: var(--btn-secondary-bg);
    color: var(--btn-secondary-text);
    border: 1px solid var(--dark-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.btn-zalo {
    background: rgba(0, 104, 255, 0.15);
    color: #388BFD;
    border: 1px solid rgba(0, 104, 255, 0.3);
}

.btn-zalo:hover {
    background: #0068FF;
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 104, 255, 0.4);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 10px 14px;
    font-size: 0.82rem;
}

/* Contact List Grid */
.contact-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-item {
    background: var(--dark-accent);
    border: 1px solid var(--dark-border);
    padding: 14px 16px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 14px;
    transition: var(--transition);
}

.contact-item:hover {
    border-color: rgba(229, 184, 58, 0.3);
    transform: translateX(3px);
    background: rgba(255, 255, 255, 0.03);
}

.item-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.phone-icon { background: rgba(76, 175, 80, 0.12); color: #4CAF50; }
.mail-icon { background: rgba(229, 184, 58, 0.12); color: var(--gold-primary); }
.web-icon { background: rgba(0, 104, 255, 0.12); color: #388BFD; }
.company-icon { background: rgba(156, 39, 176, 0.12); color: #AB47BC; }

.item-info {
    flex: 1;
    min-width: 0;
}

.item-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 2px;
}

.item-value {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: var(--transition);
}

.text-break {
    white-space: normal;
    word-break: break-all;
}

a.item-value:hover {
    color: var(--gold-primary);
}

.item-subtext {
    display: block;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.item-actions {
    display: flex;
    gap: 6px;
}

.action-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--dark-border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.action-btn:hover {
    background: var(--gold-primary);
    color: #000000;
    border-color: var(--gold-primary);
}

/* About Tab Section */
.about-card {
    background: var(--dark-accent);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.about-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.about-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 18px;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 20px;
}

.service-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--dark-border);
    padding: 12px;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.service-box:hover {
    border-color: var(--gold-primary);
    background: rgba(229, 184, 58, 0.05);
}

.service-icon {
    font-size: 1.2rem;
    color: var(--gold-primary);
    margin-bottom: 6px;
}

.service-box h4 {
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-weight: 700;
}

.service-box p {
    font-size: 0.74rem;
    color: var(--text-muted);
    line-height: 1.35;
}

/* QR Tab Section */
.qr-card {
    background: var(--dark-accent);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    text-align: center;
}

.qr-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 6px;
}

.qr-sub {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
}

.qr-frame {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 22px auto;
    padding: 12px;
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-frame img#qr-code-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qr-logo-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    background: #FFFFFF;
    border-radius: 50%;
    padding: 4px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-logo-overlay img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.qr-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* Footer Section */
.ecard-footer {
    text-align: center;
    padding: 16px 20px 20px 20px;
    border-top: 1px solid var(--dark-border);
    font-size: 0.78rem;
    color: var(--text-muted);
}

.ecard-footer strong {
    color: var(--text-secondary);
}

.tagline {
    font-size: 0.78rem;
    font-weight: 700;
    margin-top: 4px;
    color: var(--gold-primary);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    opacity: 0.9;
}

/* Toast Notification */
.toast-notification {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #181C26;
    color: #FFFFFF;
    border: 1px solid var(--gold-primary);
    padding: 12px 22px;
    border-radius: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    font-weight: 600;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast-notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast-icon {
    color: var(--gold-primary);
    font-size: 1.1rem;
}

/* Media Queries for Mobile Responsiveness */
@media (max-width: 420px) {
    body {
        padding: 0;
        background-color: var(--bg-dark);
    }

    .ecard-container {
        border-radius: 0;
        border: none;
        min-height: 100vh;
    }

    .primary-actions {
        grid-template-columns: 1fr;
    }

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