/* =========================================================================
   NEXUS MASTERCLASS STYLESHEET (LEGENDARY EDITION)
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

/* Config Variables */
:root {
    --font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    
    /* Cosmic Theme variables (Image 3 Style) */
    --panel-bg: rgba(255, 255, 255, 0.45);
    --panel-border: rgba(99, 102, 241, 0.12);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --neon-glow: rgba(99, 102, 241, 0.15);
    
    /* Bubble configurations (Image 1 Style) */
    --bubble-in-bg: #f3f4f6;
    --bubble-in-text: #0f172a;
    --bubble-out-bg: linear-gradient(135deg, #4f46e5 0%, #312e81 100%);
    --bubble-out-text: #ffffff;
    
    --transition-speed: 0.3s;
    --blur-strength: 28px;
}

.dark {
    --panel-bg: rgba(7, 5, 20, 0.45);
    --panel-border: rgba(99, 102, 241, 0.16);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --neon-glow: rgba(99, 102, 241, 0.35);
    
    --bubble-in-bg: rgba(21, 17, 50, 0.7);
    --bubble-in-text: #f1f5f9;
    --bubble-out-bg: linear-gradient(135deg, #6366f1 0%, #4338ca 100%);
    --bubble-out-text: #ffffff;
}

* {
    font-family: var(--font-family);
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    height: 100vh;
    width: 100vw;
    margin: 0;
    padding: 0;
    overscroll-behavior-y: contain;
    overflow: hidden;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* Thin micro scrollbar */
::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.2);
    border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.45);
}

/* =========================================================================
   GLASS PANELS & CARDS (Image 3 Style)
   ========================================================================= */
.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: blur(var(--blur-strength));
    -webkit-backdrop-filter: blur(var(--blur-strength));
    border: 1px solid var(--panel-border);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12), 
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.dark .glass-panel {
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), 
                0 0 30px var(--neon-glow), 
                inset 0 1px 1px rgba(255, 255, 255, 0.08);
}

/* =========================================================================
   MESSAGES & SOUNDWAVE TRACKS (Image 1 & 2 Style)
   ========================================================================= */
.message-bubble {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: transform var(--transition-speed) cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.message-bubble:hover {
    transform: scale(1.015);
}

.message-bubble-in {
    background: var(--bubble-in-bg) !important;
    color: var(--bubble-in-text) !important;
    border: 1px solid var(--panel-border);
    border-bottom-left-radius: 6px !important;
}

.message-bubble-out {
    background: var(--bubble-out-bg) !important;
    color: var(--bubble-out-text) !important;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom-right-radius: 6px !important;
    box-shadow: 0 12px 24px rgba(99, 102, 241, 0.15);
}

/* Custom Audio Waveform Animation Columns */
@keyframes waveAnimation {
    0%, 100% {
        transform: scaleY(0.45);
    }
    50% {
        transform: scaleY(1.2);
    }
}
.soundwave-bar {
    transform-origin: center;
    transition: background-color var(--transition-speed);
}
.voice-playing .soundwave-bar {
    animation: waveAnimation 1s ease-in-out infinite;
}
.soundwave-bar:nth-child(2) { animation-delay: 0.1s; }
.soundwave-bar:nth-child(3) { animation-delay: 0.2s; }
.soundwave-bar:nth-child(4) { animation-delay: 0.15s; }
.soundwave-bar:nth-child(5) { animation-delay: 0.3s; }
.soundwave-bar:nth-child(6) { animation-delay: 0.1s; }
.soundwave-bar:nth-child(7) { animation-delay: 0.25s; }
.soundwave-bar:nth-child(8) { animation-delay: 0.15s; }

/* =========================================================================
   CALL OVERLAYS & HOLOGRAPHIC ANIMATIONS
   ========================================================================= */
#native-calling-overlay {
    background: radial-gradient(circle at center, #0e0a30 0%, #03020a 100%);
    box-shadow: inset 0 0 120px rgba(99, 102, 241, 0.15);
}

@keyframes holographicPulse {
    0% {
        transform: scale(0.9);
        opacity: 0.85;
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4), 
                    0 0 0 10px rgba(99, 102, 241, 0.2);
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
        box-shadow: 0 0 0 35px rgba(99, 102, 241, 0), 
                    0 0 0 70px rgba(99, 102, 241, 0);
    }
}
.animate-ripple {
    animation: holographicPulse 2.8s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

@keyframes smoothFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.animate-float {
    animation: smoothFloat 4s ease-in-out infinite;
}

/* Dropdown layout sliders */
@keyframes slideInUp {
    from {
        transform: translateY(20px) scale(0.96);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}
.animate-slide-up {
    animation: slideInUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ZEGOCLOUD Prebuilt custom styling overrides to fit theme */
#zego-call-render {
    width: 100%;
    height: 100%;
    min-height: 450px;
}

/* =========================================================================
   RESPONSIVE DESIGN (Adaptive Desktop vs Mobile UI/UX)
   ========================================================================= */
@media (max-width: 768px) {
    body {
        background: var(--bg-cosmic) !important;
    }
    
    #app-screen {
        max-width: 100% !important;
        height: 100% !important;
        border: none !important;
        border-radius: 0px !important;
    }

    .message-bubble {
        max-width: 88% !important;
    }
}