/* Custom scrollbar and aesthetics */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #07090e; }
::-webkit-scrollbar-thumb { background: #1e293b; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #334155; }

html { scroll-behavior: smooth; }
body { background-color: #06080d; color: #f1f5f9; overflow-x: hidden; }

.glass-panel {
    background: rgba(13, 19, 33, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-card {
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.75) 0%, rgba(13, 19, 33, 0.85) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.glass-card:hover {
    border-color: rgba(59, 130, 246, 0.35);
    transform: translateY(-3px);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5), 0 0 25px -5px rgba(59, 130, 246, 0.2);
}

.gradient-text {
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
}

.otp-input {
    width: 46px;
    height: 56px;
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    font-family: monospace;
    background: rgba(15, 23, 42, 0.85);
    border: 2px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    color: #38bdf8;
    transition: all 0.2s ease;
}
.otp-input:focus {
    outline: none;
    border-color: #38bdf8;
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
    background: rgba(15, 23, 42, 1);
    transform: scale(1.05);
}
@media (max-width: 640px) {
    .otp-input { width: 38px; height: 48px; font-size: 18px; }
}

@keyframes pulse-ring {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 0.3; }
    100% { transform: scale(0.95); opacity: 0.8; }
}
.pulse-ring {
    animation: pulse-ring 2.5s infinite ease-in-out;
}

input[type=range] {
    -webkit-appearance: none;
    background: #1e293b;
    height: 8px;
    border-radius: 4px;
    outline: none;
}
input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.8);
    border: 2px solid #ffffff;
    transition: transform 0.1s;
}
input[type=range]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}