:root {
    --ash-color: #b0b0b0;
    --deep-black: #050505;
    --soft-black: #0d0d0d;
}

body {
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}

/* Custom Scrollbar */
.custom-scrollbar::-webkit-scrollbar {
    width: 4px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 245, 255, 0.2);
}

/* Animations */
@keyframes wave {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.wave-motion {
    animation: wave 4s linear infinite;
}

@keyframes glow {

    0%,
    100% {
        text-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
    }

    50% {
        text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
    }
}

.glow-text {
    animation: glow 3s ease-in-out infinite;
}

@keyframes logo-pulse {

    0%,
    100% {
        transform: scale(0.95);
        filter: brightness(0.8) drop-shadow(0 0 0px rgba(255, 255, 255, 0));
    }

    50% {
        transform: scale(1.05);
        filter: brightness(1.2) drop-shadow(0 0 15px rgba(255, 255, 255, 0.2));
    }
}

.animate-logo-pulse {
    animation: logo-pulse 2s ease-in-out infinite;
}

@keyframes loader-slide {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.animate-loader-slide {
    animation: loader-slide 2s ease-in-out infinite;
}

.preloader-hidden {
    opacity: 0;
    pointer-events: none;
}

/* Chat Bubbles */
.message-bubble {
    max-width: 90%;
    width: fit-content;
    padding: 0.75rem 1rem;
    border-radius: 1.25rem;
    position: relative;
    font-size: 0.9rem;
    line-height: 1.5;
    animation: slideUp 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

@media (min-width: 768px) {
    .message-bubble {
        max-width: 80%;
        padding: 1rem 1.25rem;
        border-radius: 1.5rem;
        font-size: 0.95rem;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-message {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    align-self: flex-end;
    border-bottom-right-radius: 0.5rem;
    margin-left: auto;
}

.ai-message {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    align-self: flex-start;
    border-bottom-left-radius: 0.5rem;
    color: #d1d5db;
}

.typing-cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background-color: #9ca3af;
    margin-left: 2px;
    vertical-align: middle;
    animation: blink 0.8s infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

/* Sidebar Toggle State */
aside.collapsed {
    width: 0;
    overflow: hidden;
    opacity: 0;
    border-right-width: 0;
}

/* Particle Canvas Stylings */
#particleCanvas {
    opacity: 0.4;
    filter: blur(1px);
}

/* Glassmorphism hover */
.glass-hover:hover {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

/* Snappy Interactions */
button:active,
.cursor-pointer:active,
#authTrigger:active {
    transform: scale(0.95);
    transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1);
}

#userInput:focus {
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.1);
}

/* Auth Modal */
#authModal.active {
    opacity: 1;
    pointer-events: auto;
}

#authModal.active>div {
    transform: scale(1);
}

@keyframes pulse-white {

    0%,
    100% {
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.05);
    }

    50% {
        box-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
    }
}

#freeOfferBtn {
    animation: pulse-white 3s infinite;
}