/* ==========================================================================
   Design System & Global Variables
   ========================================================================== */
:root {
    /* Color Palette - Dark Theme (Default) */
    --bg-primary: #0a0c10;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.45);
    
    /* Glassmorphism Styles */
    --card-bg: rgba(20, 24, 33, 0.6);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
    --card-hover-border: rgba(255, 255, 255, 0.2);
    
    /* Utilities */
    --btn-bg: rgba(255, 255, 255, 0.06);
    --btn-border: rgba(255, 255, 255, 0.08);
    --btn-hover: rgba(255, 255, 255, 0.15);
    
    /* Social Brand Colors */
    --youtube: #ff0000;
    --youtube-glow: rgba(255, 0, 0, 0.15);
    
    --telegram: #24a1de;
    --telegram-glow: rgba(36, 161, 222, 0.15);
    
    --dzen: #ff5c30;
    --dzen-glow: rgba(255, 92, 48, 0.15);
    
    --max: #8a2be2;
    --max-glow: rgba(138, 43, 226, 0.15);
    
    --email: #e30613;
    --email-glow: rgba(227, 6, 19, 0.15);
    
    --donate: #ff2d55;
    --donate-glow: rgba(255, 45, 85, 0.18);
    
    /* Aurora Blobs */
    --blob-1-color: rgba(99, 102, 241, 0.18); /* Indigo */
    --blob-2-color: rgba(236, 72, 153, 0.15);  /* Pink */
    --blob-3-color: rgba(20, 184, 166, 0.12);  /* Teal */

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

/* Color Palette - Light Theme */
.light-theme {
    --bg-primary: #f5f7fb;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    /* Glassmorphism Styles */
    --card-bg: rgba(255, 255, 255, 0.7);
    --card-border: rgba(15, 23, 42, 0.06);
    --card-shadow: 0 16px 40px rgba(15, 23, 42, 0.05);
    --card-hover-border: rgba(15, 23, 42, 0.15);
    
    /* Utilities */
    --btn-bg: rgba(15, 23, 42, 0.04);
    --btn-border: rgba(15, 23, 42, 0.06);
    --btn-hover: rgba(15, 23, 42, 0.08);
    
    /* Brand adjust for contrast */
    --youtube: #e60000;
    --telegram: #1d82b3;
    --dzen: #e04b22;
    --max: #731bc9;
    --email: #c5111b;
    --donate: #e31b43;
    
    /* Light Theme Aurora Blobs */
    --blob-1-color: rgba(99, 102, 241, 0.08);
    --blob-2-color: rgba(236, 72, 153, 0.07);
    --blob-3-color: rgba(20, 184, 166, 0.06);
}

/* ==========================================================================
   CSS Reset & Base Rules
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    min-height: 100%;
    overflow-x: hidden;
    background-color: var(--bg-primary);
    transition: background-color 0.5s ease, color 0.3s ease;
}

body {
    color: var(--text-primary);
    font-family: var(--font-body);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 60px 24px;
    position: relative;
}

/* ==========================================================================
   Aurora Background Blobs (Premium Aurora Effect)
   ========================================================================== */
.aurora-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
    filter: blur(140px);
    opacity: 0.95;
    transition: filter 0.5s ease;
}

.aurora-blob {
    position: absolute;
    border-radius: 50%;
    mix-blend-mode: screen;
    will-change: transform;
}

.light-theme .aurora-blob {
    mix-blend-mode: multiply;
    opacity: 0.8;
}

.blob-1 {
    width: 60vw;
    height: 60vw;
    background: var(--blob-1-color);
    top: -10%;
    left: -10%;
    animation: float-blob-1 25s infinite alternate ease-in-out;
}

.blob-2 {
    width: 50vw;
    height: 50vw;
    background: var(--blob-2-color);
    bottom: -10%;
    right: -10%;
    animation: float-blob-2 20s infinite alternate ease-in-out;
}

.blob-3 {
    width: 45vw;
    height: 45vw;
    background: var(--blob-3-color);
    top: 30%;
    left: 40%;
    animation: float-blob-3 22s infinite alternate ease-in-out;
}

@keyframes float-blob-1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(15%, 10%) scale(1.15); }
}

@keyframes float-blob-2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-15%, -10%) scale(1.1); }
}

@keyframes float-blob-3 {
    0% { transform: translate(0, 0) scale(0.9); }
    100% { transform: translate(-10%, 15%) scale(1.1); }
}

/* ==========================================================================
   App Container & Layout
   ========================================================================== */
.app-container {
    width: 100%;
    max-width: 580px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 36px;
    z-index: 10;
}

/* ==========================================================================
   Utility Bar (Theme / Share Buttons)
   ========================================================================== */
.utility-bar {
    width: 100%;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.btn-utility {
    position: relative;
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background-color: var(--btn-bg);
    border: 1px solid var(--btn-border);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(12px);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.btn-utility svg {
    width: 20px;
    height: 20px;
    transition: transform 0.4s ease;
}

.btn-utility:hover {
    background-color: var(--btn-hover);
    border-color: var(--card-hover-border);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

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

/* Sun/Moon Toggle Visibility */
.icon-sun { display: none; }
.icon-moon { display: block; }

.light-theme .icon-sun { display: block; }
.light-theme .icon-moon { display: none; }

/* Tooltip */
.tooltip {
    position: absolute;
    bottom: -42px;
    right: 0;
    background-color: #10b981;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 8px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-5px);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.tooltip.show {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Profile Section
   ========================================================================== */
.profile-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.avatar-container {
    position: relative;
    width: 104px;
    height: 104px;
    margin-bottom: 24px;
}

.profile-avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--card-border);
    box-shadow: var(--card-shadow);
    transition: transform 0.5s ease;
}

.avatar-container:hover .profile-avatar {
    transform: scale(1.05) rotate(3deg);
}

/* Glowing Pulse Ring for Avatar */
.pulse-ring {
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border-radius: 50%;
    border: 2px solid var(--blob-1-color);
    opacity: 0;
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.8; }
    70% { transform: scale(1.15); opacity: 0; }
    100% { transform: scale(1.15); opacity: 0; }
}

/* Active Status Badge */
.status-badge {
    position: absolute;
    bottom: 2px;
    right: 2px;
    background-color: #10b981;
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 20px;
    border: 2px solid var(--bg-primary);
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.profile-name {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

.profile-bio {
    font-size: 0.95rem;
    line-height: 1.55;
    color: var(--text-secondary);
    max-width: 440px;
    transition: color 0.3s ease;
}

/* ==========================================================================
   Social Links Grid
   ========================================================================== */
.links-grid {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.link-card {
    position: relative;
    width: 100%;
    padding: 18px 24px;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 20px;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transform-style: preserve-3d;
    transform: translateZ(0);
    transition: border-color 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

/* Individual Card Glow Accent */
.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    background: radial-gradient(circle 100px at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.06), transparent 80%);
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.link-card:hover .card-glow {
    opacity: 1;
}

/* Brand specific ambient glow on hover */
.youtube-card:hover {
    border-color: var(--youtube);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2), 0 0 30px var(--youtube-glow);
}
.telegram-card:hover {
    border-color: var(--telegram);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2), 0 0 30px var(--telegram-glow);
}
.dzen-card:hover {
    border-color: var(--dzen);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2), 0 0 30px var(--dzen-glow);
}
.max-card:hover {
    border-color: var(--max);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2), 0 0 30px var(--max-glow);
}
.email-card:hover {
    border-color: var(--email);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2), 0 0 30px var(--email-glow);
}
.donate-card:hover {
    border-color: var(--donate);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2), 0 0 30px var(--donate-glow);
}

/* Card Icon Wrapper */
.card-icon-wrapper {
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.05);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform: translateZ(10px);
}

.brand-icon, .brand-icon-img {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.brand-icon-img {
    object-fit: contain;
}

/* Hover Icon States */
.youtube-card:hover .card-icon-wrapper { background: rgba(255, 0, 0, 0.1); border-color: rgba(255, 0, 0, 0.2); }
.youtube-card:hover .brand-icon { color: var(--youtube); transform: scale(1.1); }

.telegram-card:hover .card-icon-wrapper { background: rgba(36, 161, 222, 0.1); border-color: rgba(36, 161, 222, 0.2); }
.telegram-card:hover .brand-icon { color: var(--telegram); transform: scale(1.1); }

.dzen-card:hover .card-icon-wrapper { background: rgba(255, 92, 48, 0.1); border-color: rgba(255, 92, 48, 0.2); }
.dzen-card:hover .brand-icon { color: var(--dzen); transform: scale(1.1); }

.max-card:hover .card-icon-wrapper { background: rgba(138, 43, 226, 0.1); border-color: rgba(138, 43, 226, 0.2); }
.max-card:hover .brand-icon, .max-card:hover .brand-icon-img { color: var(--max); transform: scale(1.1); }

.email-card:hover .card-icon-wrapper { background: rgba(227, 6, 19, 0.1); border-color: rgba(227, 6, 19, 0.2); }
.email-card:hover .brand-icon { color: var(--email); transform: scale(1.1); }

.donate-card:hover .card-icon-wrapper { background: rgba(255, 45, 85, 0.1); border-color: rgba(255, 45, 85, 0.2); }
.donate-card:hover .brand-icon { color: var(--donate); transform: scale(1.1); }

/* Card Content text */
.card-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transform: translateZ(5px);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
}

.card-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Card Arrow Link Indicator */
.card-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateX(-10px) translateZ(10px);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.card-arrow svg {
    width: 16px;
    height: 16px;
    color: var(--text-primary);
}

.link-card:hover .card-arrow {
    opacity: 1;
    transform: translateX(0) translateZ(10px);
}

.youtube-card:hover .card-arrow { background-color: rgba(255, 0, 0, 0.1); }
.telegram-card:hover .card-arrow { background-color: rgba(36, 161, 222, 0.1); }
.dzen-card:hover .card-arrow { background-color: rgba(255, 92, 48, 0.1); }
.max-card:hover .card-arrow { background-color: rgba(138, 43, 226, 0.1); }
.email-card:hover .card-arrow { background-color: rgba(227, 6, 19, 0.1); }
.donate-card:hover .card-arrow { background-color: rgba(255, 45, 85, 0.1); }

.youtube-card:hover .card-arrow svg { color: var(--youtube); }
.telegram-card:hover .card-arrow svg { color: var(--telegram); }
.dzen-card:hover .card-arrow svg { color: var(--dzen); }
.max-card:hover .card-arrow svg { color: var(--max); }
.email-card:hover .card-arrow svg { color: var(--email); }
.donate-card:hover .card-arrow svg { color: var(--donate); }

/* ==========================================================================
   Footer
   ========================================================================== */
.app-footer {
    margin-top: 24px;
    text-align: center;
}

.app-footer p {
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* ==========================================================================
   Responsive & Adaptive rules
   ========================================================================== */
@media (max-width: 640px) {
    body {
        padding: 40px 16px;
    }
    
    .app-container {
        gap: 28px;
    }
    
    .avatar-container {
        width: 88px;
        height: 88px;
        margin-bottom: 16px;
    }
    
    .profile-name {
        font-size: 1.6rem;
    }
    
    .profile-bio {
        font-size: 0.88rem;
        padding: 0 8px;
    }
    
    .link-card {
        padding: 16px 20px;
        gap: 16px;
    }
    
    .card-icon-wrapper {
        width: 42px;
        height: 42px;
        border-radius: 10px;
    }
    
    .brand-icon, .brand-icon-img {
        width: 20px;
        height: 20px;
    }
    
    .card-title {
        font-size: 1.05rem;
    }
    
    .card-desc {
        font-size: 0.78rem;
    }
    
    .card-arrow {
        display: none; /* Hide arrow on mobile to save space */
    }
}

/* ==========================================================================
   Custom Donate Card Solid Theme (Cloudtips Yellow)
   ========================================================================== */
.donate-card {
    background-color: #ffd52d !important;
    border-color: #ffd52d !important;
    color: #0f172a !important;
}

.donate-card .card-title {
    color: #0f172a !important;
}

.donate-card .card-desc {
    color: rgba(15, 23, 42, 0.75) !important;
}

.donate-card .brand-icon {
    color: #0f172a !important;
}

.donate-card .card-icon-wrapper {
    background: rgba(15, 23, 42, 0.06) !important;
    border-color: rgba(15, 23, 42, 0.1) !important;
}

.donate-card .card-arrow svg {
    color: #0f172a !important;
}

.donate-card:hover {
    background-color: #ffde39 !important;
    border-color: #ffde39 !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15), 0 0 30px rgba(255, 213, 45, 0.35) !important;
}

.donate-card:hover .card-icon-wrapper {
    background: rgba(15, 23, 42, 0.12) !important;
    border-color: rgba(15, 23, 42, 0.15) !important;
}

.donate-card:hover .card-arrow {
    background-color: rgba(15, 23, 42, 0.08) !important;
}

.donate-card:hover .card-arrow svg {
    color: #0f172a !important;
}