/* ========================================================= */
/* 1. IMPORTS & GLASSBLUESOME VARIABLES                      */
/* ========================================================= */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
    --primary-blue: #00e5ff;       
    --dark-blue: #0072ff;          
    --success-green: #00e676;      
    --text-main: #0a1930;          
    
    --bg-gradient-1: #89f7fe;      
    --bg-gradient-2: #66a6ff;
    
    --glass-bg: rgba(255, 255, 255, 0.45);
    --glass-border: rgba(255, 255, 255, 0.7);
    --glass-shadow: rgba(0, 114, 255, 0.2); 
}

body {
    background: linear-gradient(135deg, rgba(137, 247, 254, 0.85) 0%, rgba(102, 166, 255, 0.85) 100%),
                url('../images/three.jpg') no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
    font-family: 'Poppins', sans-serif;
    color: var(--text-main);
}

.text-dark {
    color: var(--text-main) !important;
}

/* ========================================================= */
/* 2. THE GLASSBLUESOME UI ENGINE                            */
/* ========================================================= */
.glass-panel, .glass-nav, .glass-login {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 12px 40px var(--glass-shadow);
}
.glass-panel { padding: 25px; }
.glass-nav { padding: 12px 25px; border-radius: 16px; margin-bottom: 25px; }

/* ========================================================= */
/* 3. UNIVERSAL FORM INPUTS (GLOW EFFECT)                    */
/* ========================================================= */
.custom-input {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    padding: 12px 15px;
    color: var(--text-main);
    transition: all 0.3s ease;
}
.custom-input::placeholder { color: rgba(10, 25, 48, 0.5); }
.custom-input:focus {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 15px rgba(0, 229, 255, 0.5);
    border-color: var(--primary-blue);
    outline: none;
    transform: translateY(-1px);
}
.letter-spacing-2 { letter-spacing: 0.5rem; }

/* ========================================================= */
/* 4. BUTTONS & ANIMATIONS                                   */
/* ========================================================= */
.btn-primary { 
    background: linear-gradient(135deg, var(--dark-blue), var(--primary-blue));
    border: none; color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
    box-shadow: 0 4px 15px rgba(0, 114, 255, 0.3);
}
.btn-primary:hover { 
    background: linear-gradient(135deg, #005ce6, #00b3cc);
    transform: translateY(-3px); 
    box-shadow: 0 8px 25px rgba(0, 114, 255, 0.4);
    color: white;
}
.btn-success { background: linear-gradient(135deg, #00b09b, #96c93d); border: none; }
.btn-success:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(0, 176, 155, 0.4); }

.fade-in { animation: fadeIn 0.5s cubic-bezier(0.1, 0.7, 0.1, 1); }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.custom-hover-effect { transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease; }
.custom-hover-effect:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.6);
    box-shadow: 0 20px 40px var(--glass-shadow);
}

/* ========================================================= */
/* 5. COMMUNITY SIDEBAR & MOBILE LAYOUT                      */
/* ========================================================= */
.chat-wrapper { height: 75vh; display: flex; overflow: hidden; padding: 0 !important; }
.chat-sidebar { width: 30%; border-right: 1px solid var(--glass-border); padding: 20px; overflow-y: auto; }

.chat-main { width: 70%; display: flex; flex-direction: column; padding: 20px; overflow: hidden; }
#chatWindow { flex-grow: 1; overflow-y: auto; }

.sidebar-group { cursor: pointer; transition: 0.2s; padding: 10px; border-radius: 8px; font-weight: 500;}
.sidebar-group:hover { background: rgba(255,255,255,0.7); transform: translateX(3px);}
.active-group { border-left: 4px solid var(--dark-blue); background: rgba(255,255,255,0.9); font-weight: bold;}

.msg.sent { background: var(--dark-blue); color: white; border-radius: 15px; padding: 10px; margin-bottom: 10px;}

@media (max-width: 768px) {
    .chat-wrapper { flex-direction: column; height: calc(100svh - 130px); }
    
    .chat-sidebar { 
        width: 100%; 
        border-right: none; 
        border-bottom: 1px solid var(--glass-border); 
        padding: 10px; 
        overflow-x: auto; 
        white-space: nowrap; 
        display: block; 
    }
    
    .group-wrapper {
        display: inline-flex !important;
        gap: 10px;
    }

    .chat-main { width: 100%; padding: 10px; flex-grow: 1; overflow: hidden; }
    .sidebar-group { border-left: none; border-bottom: 3px solid transparent; border-radius: 20px; padding: 8px 15px; background: rgba(255,255,255,0.3); }
    .active-group { border-bottom: none; background: var(--dark-blue); color: white; }
}

/* Footer Adjustments */
footer a:hover {
    text-decoration: underline !important;
    color: var(--dark-blue) !important;
}