/* GLASSMORPHISM UI UPGRADE */
:root {
    --glass-bg: rgba(15, 15, 15, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-blur: blur(20px);
    --glass-highlight: rgba(255, 255, 255, 0.1);
}

/* Base Glass Card */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 24px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
}

.glass-panel::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    z-index: 1;
}

.glass-panel:hover {
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45), 0 0 20px rgba(198, 168, 124, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* Navigation Overhaul */
.glass-nav {
    background: rgba(10, 10, 10, 0.7);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

/* Nav Pills Upgrade */
.nav-pill {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.nav-pill::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    width: 0; height: 2px;
    background: var(--primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}
.nav-pill:hover {
    background: rgba(255, 255, 255, 0.08);
}
.nav-pill.active {
    background: rgba(198, 168, 124, 0.15);
    border: 1px solid rgba(198, 168, 124, 0.3);
    color: white !important;
}
.nav-pill.active::after {
    width: 60%;
}

/* Feed Cards */
.glass-post {
    background: linear-gradient(145deg, rgba(25, 25, 25, 0.6) 0%, rgba(15, 15, 15, 0.8) 100%);
    backdrop-filter: blur(16px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.5);
    overflow: hidden;
}

/* Animated Gradient Backgrounds for Cards */
.post-gradient-header {
    position: relative;
}
.post-gradient-header::after {
    content: '';
    position: absolute;
    top: -50px; left: -50px;
    width: 100px; height: 100px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    opacity: 0.15;
    border-radius: 50%;
    filter: blur(20px);
    pointer-events: none;
}

/* Inputs & Buttons */
.glass-input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    color: white;
    transition: all 0.3s;
}
.glass-input:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(198, 168, 124, 0.2);
    outline: none;
}

.glass-btn {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}
.glass-btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}
.glass-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}
.glass-btn:hover::before {
    left: 100%;
}
.glass-btn-primary {
    background: linear-gradient(135deg, rgba(198,168,124,0.8), rgba(166,138,98,0.9));
    border: none;
    box-shadow: 0 4px 15px rgba(198, 168, 124, 0.3);
    color: #000;
}
.glass-btn-primary:hover {
    background: linear-gradient(135deg, rgba(218,188,144,0.9), rgba(186,158,118,1));
    box-shadow: 0 6px 20px rgba(198, 168, 124, 0.4);
}

/* Modern Stories */
.modern-story {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    border: 2px solid transparent;
    background-clip: padding-box;
}
.modern-story::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: linear-gradient(45deg, var(--primary), #ff7eb3, #7e57c2);
    z-index: -1;
    border-radius: 22px;
    animation: borderRotate 4s linear infinite;
}
@keyframes borderRotate {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}

/* Custom Scrollbar for Glass UI */
.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
    100% { transform: translateY(0px); }
}
.animate-float {
    animation: float 4s ease-in-out infinite;
}

/* Media Queries for Mobile Responsiveness Additions */
@media (max-width: 768px) {
    .glass-nav {
        padding-top: max(1rem, env(safe-area-inset-top));
        padding-bottom: 0.5rem;
    }
    .glass-post {
        border-radius: 16px;
        border-left: none;
        border-right: none;
    }
}