:root {
    --primary: #4213c0;
    --highlight: #ff00ff;
    --bg: #0b0118;
    --text-dim: #b0a8b9;
    --accent: #00ff00;
}

* {
    user-select: none;
}

body {
    font-family: "JetBrains Mono", monospace;
    background-color: var(--bg);
}

h1,
h2,
h3,
.orbitron {
    font-family: "Orbitron", sans-serif;
}

/* CRT Effects */
.crt-overlay {
    background:
        linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.1) 50%),
        linear-gradient(
            90deg,
            rgba(255, 0, 0, 0.03),
            rgba(0, 255, 0, 0.01),
            rgba(0, 0, 255, 0.03)
        );
    background-size:
        100% 3px,
        3px 100%;
    pointer-events: none;
}

.crt-overlay::after {
    content: " ";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.2) 50%),
        linear-gradient(
            90deg,
            rgba(255, 0, 0, 0.06),
            rgba(0, 255, 0, 0.02),
            rgba(0, 0, 255, 0.06)
        );
    z-index: 100;
    background-size:
        100% 2px,
        3px 100%;
    pointer-events: none;
    animation: flicker 0.15s infinite;
}

@keyframes flicker {
    0% {
        opacity: 0.27861;
    }
    5% {
        opacity: 0.34769;
    }
    10% {
        opacity: 0.23604;
    }
    15% {
        opacity: 0.90626;
    }
    20% {
        opacity: 0.18128;
    }
    100% {
        opacity: 0.29;
    }
}

/* Glitch Title */
.glitch {
    position: relative;
    text-shadow:
        0.05em 0 0 rgba(255, 0, 0, 0.75),
        -0.025em -0.05em 0 rgba(0, 255, 0, 0.75),
        0.025em 0.05em 0 rgba(0, 0, 255, 0.75);
    animation: glitch 500ms infinite;
}

@keyframes glitch {
    0% {
        text-shadow:
            0.05em 0 0 rgba(255, 0, 0, 0.75),
            -0.05em -0.025em 0 rgba(0, 255, 0, 0.75),
            -0.025em 0.05em 0 rgba(0, 0, 255, 0.75);
    }
    14% {
        text-shadow:
            0.05em 0 0 rgba(255, 0, 0, 0.75),
            -0.05em -0.025em 0 rgba(0, 255, 0, 0.75),
            -0.025em 0.05em 0 rgba(0, 0, 255, 0.75);
    }
    15% {
        text-shadow:
            -0.05em -0.025em 0 rgba(255, 0, 0, 0.75),
            0.025em 0.025em 0 rgba(0, 255, 0, 0.75),
            -0.05em -0.05em 0 rgba(0, 0, 255, 0.75);
    }
    49% {
        text-shadow:
            -0.05em -0.025em 0 rgba(255, 0, 0, 0.75),
            0.025em 0.025em 0 rgba(0, 255, 0, 0.75),
            -0.05em -0.05em 0 rgba(0, 0, 255, 0.75);
    }
    50% {
        text-shadow:
            0.025em 0.05em 0 rgba(255, 0, 0, 0.75),
            0.05em 0 0 rgba(0, 255, 0, 0.75),
            0 -0.05em 0 rgba(0, 0, 255, 0.75);
    }
    99% {
        text-shadow:
            0.025em 0.05em 0 rgba(255, 0, 0, 0.75),
            0.05em 0 0 rgba(0, 255, 0, 0.75),
            0 -0.05em 0 rgba(0, 0, 255, 0.75);
    }
    100% {
        text-shadow:
            -0.025em 0 0 rgba(255, 0, 0, 0.75),
            -0.025em -0.025em 0 rgba(0, 255, 0, 0.75),
            -0.025em -0.05em 0 rgba(0, 0, 255, 0.75);
    }
}

/* Spotlight Effect */
.spotlight-card {
    position: relative;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(66, 19, 192, 0.3);
    overflow: hidden;
    transition:
        transform 0.3s ease,
        border-color 0.3s ease;
}

.spotlight-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.spotlight-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(
        circle,
        rgba(66, 19, 192, 0.15) 0%,
        transparent 70%
    );
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 1;
}

/* Terminal Form */
.terminal-input {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(66, 19, 192, 0.5);
    border-left: 4px solid var(--primary);
    color: #fff;
    padding: 1rem;
    font-family: "JetBrains Mono", monospace;
}

.terminal-input:focus {
    outline: none;
    border-color: var(--highlight);
    background: rgba(66, 19, 192, 0.1);
}

/* Registration Button */
.register-btn {
    position: relative;
    padding: 1.5rem 3rem;
    background: transparent;
    border: 2px solid #fff;
    color: #fff;
    overflow: hidden;
    transition: color 0.4s ease;
}

.register-btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: #fff;
    transition: left 0.4s ease;
    z-index: -1;
}

.register-btn:hover {
    color: #0b0118;
}

.register-btn:hover::before {
    left: 0;
}

/* Utility */
.scrollbar-hide::-webkit-scrollbar {
    display: none;
}
.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* ========================================
   RESPONSIVE DESIGN IMPROVEMENTS
   ======================================== */

/* Mobile First Adjustments */
@media (max-width: 640px) {
    /* Hero Title */
    .glitch {
        font-size: 2.5rem !important;
        line-height: 1.1;
    }

    /* Navigation - Compact mobile version */
    nav {
        padding: 0.75rem 1.5rem !important;
        gap: 1rem !important;
        width: auto;
        max-width: 90vw;
    }

    /* Hide navigation links on mobile, keep only logo and register */
    nav > div:nth-child(2) {
        display: none !important;
    }

    /* Hide divider on mobile */
    nav .h-6 {
        display: none !important;
    }

    /* Make register button smaller */
    #nav-reg {
        padding: 0.5rem 1rem !important;
        font-size: 9px !important;
    }

    /* Logo adjustments */
    nav #nav-logo .w-8 {
        width: 1.75rem !important;
        height: 1.75rem !important;
    }

    /* Register Button */
    .register-btn {
        padding: 1rem 2rem;
        font-size: 0.875rem;
        letter-spacing: 0.2em;
    }

    /* Category Cards */
    .spotlight-card h3 {
        font-size: 1.125rem;
    }

    .spotlight-card .relative {
        height: 12rem !important;
    }

    /* Section Headings */
    h2 {
        font-size: 1.25rem !important;
        letter-spacing: 0.2em !important;
        word-break: break-word;
    }

    /* Contact Cards */
    .spotlight-card .w-20 {
        width: 3.5rem !important;
        height: 3.5rem !important;
    }

    /* AI Assistant */
    #ai-chat {
        width: 90vw !important;
        right: 50% !important;
        transform: translateX(50%);
    }

    #ai-toggle {
        bottom: 1rem;
        right: 1rem;
    }
}

/* Tablet Adjustments */
@media (min-width: 641px) and (max-width: 1024px) {
    .glitch {
        font-size: 4rem !important;
    }

    /* Grid adjustments for categories */
    #categories .grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    /* Navigation spacing */
    nav {
        padding: 0.75rem 2rem !important;
        gap: 1.5rem !important;
    }

    /* Section headings for tablet */
    h2 {
        font-size: 1.75rem !important;
        letter-spacing: 0.3em !important;
    }
}

/* Large Desktop */
@media (min-width: 1440px) {
    .max-w-7xl {
        max-width: 90rem;
    }
}

/* Navbar Responsiveness */
@media (max-width: 768px) {
    #navbar-container {
        top: 1rem;
    }

    /* Keep navigation horizontal but compact */
    nav {
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
    }

    nav a,
    nav button {
        font-size: 9px;
    }
}

/* Form Responsiveness */
@media (max-width: 640px) {
    .terminal-input {
        padding: 0.75rem;
        font-size: 0.875rem;
    }

    form button[type="submit"] {
        padding: 1.25rem !important;
        font-size: 0.75rem;
        letter-spacing: 0.4em;
    }

    /* Form labels */
    label {
        font-size: 9px !important;
    }

    /* Checkbox labels */
    label span {
        font-size: 10px !important;
    }
}

/* Hero Section Responsive */
@media (max-width: 640px) {
    #about {
        padding-top: 6rem !important;
        min-height: 90vh;
    }

    #about p {
        font-size: 0.75rem !important;
        letter-spacing: 0.2em !important;
    }
}

/* Contact Section Mobile */
@media (max-width: 640px) {
    #contact .grid {
        gap: 1.5rem !important;
    }

    #contact a {
        padding: 1.5rem !important;
        flex-direction: column;
        text-align: center;
        gap: 1rem !important;
    }

    #contact .text-2xl {
        font-size: 1.25rem !important;
    }
}

/* Rules Section Mobile */
@media (max-width: 640px) {
    #rnr .border-l-2 {
        padding-left: 1rem !important;
    }

    #rnr h3 {
        font-size: 1rem !important;
    }

    #rnr li {
        font-size: 0.75rem !important;
    }
}

/* Footer Mobile */
@media (max-width: 640px) {
    footer {
        padding: 2rem 1rem !important;
    }

    footer div {
        font-size: 8px !important;
    }
}

/* Landscape Mobile */
@media (max-width: 896px) and (orientation: landscape) {
    #about {
        min-height: auto;
        padding-top: 8rem !important;
        padding-bottom: 4rem;
    }

    #crt-container {
        max-width: 300px;
    }

    .glitch {
        font-size: 2rem !important;
    }
}

/* Prevent horizontal scroll */
body {
    overflow-x: hidden;
    max-width: 100vw;
}

/* Prevent text overflow */
h1,
h2,
h3,
p {
    overflow-wrap: break-word;
    word-wrap: break-word;
}

section {
    overflow-x: hidden;
}

/* Safe area for notched devices */
@supports (padding: max(0px)) {
    body {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
    }
}

#crt-container img {
    height: 25rem !important;
}

@media screen and (max-width: 550px) {
    #crt-container img {
        height: 20rem !important;
    }
}

@media screen and (max-width: 400px) {
    #crt-container img {
        height: 15rem !important;
    }
}