/* ===========================
   GLOBAL VARIABLES
   =========================== */
:root {
    --primary: #ccff00;
    --primary-dim: #aacc00;
    --primary-glow: rgba(204, 255, 0, 0.4);
    --dark-bg: #050505;
    --card-bg: rgba(20, 20, 20, 0.6);
    --inner-bg: rgba(0, 0, 0, 0.5);
    --text-main: #ffffff;
    --text-muted: #888888;
    --glass-border: rgba(255, 255, 255, 0.1);
    --success: #00ff88;
    --warning: #ffaa00;
    --danger: #ff3333;
    --error: #ff3333;
}

/* ===========================
   RESET & BASE STYLES
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--dark-bg);
    color: var(--text-main);
    font-family: 'Rajdhani', sans-serif;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===========================
   BACKGROUND CANVAS
   =========================== */
#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at center, #1a1a1a 0%, #000000 100%);
}

/* ===========================
   TYPOGRAPHY
   =========================== */
h1, h2, h3 {
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.highlight {
    color: var(--primary);
    text-shadow: 0 0 10px rgba(204, 255, 0, 0.5);
}

/* ===========================
   BUTTON STYLES
   =========================== */
.btn-primary {
    background: var(--primary);
    color: var(--dark-bg);
    border: none;
    padding: 1rem 2.5rem;
    font-weight: 700;
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    cursor: pointer;
    clip-path: polygon(10% 0, 100% 0, 100% 70%, 90% 100%, 0 100%, 0 30%);
    transition: transform 0.2s, box-shadow 0.2s;
    text-transform: uppercase;
    text-decoration: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(204, 255, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
    padding: 1rem 2.5rem;
    font-weight: 700;
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    cursor: pointer;
    clip-path: polygon(10% 0, 100% 0, 100% 70%, 90% 100%, 0 100%, 0 30%);
    transition: all 0.3s;
    backdrop-filter: blur(5px);
    text-transform: uppercase;
    text-decoration: none;

}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background: var(--primary);
    color: var(--dark-bg);
    border: none;
    font-family: 'Orbitron';
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    clip-path: polygon(5% 0, 100% 0, 100% 70%, 95% 100%, 0 100%, 0 30%);
    margin-top: 1rem;
    text-transform: uppercase;
}

.btn-submit:hover { 
    transform: translateY(-2px); 
    box-shadow: 0 0 20px rgba(204, 255, 0, 0.4); 
    background: #fff;
}

/* ===========================
   CARD STYLES
   =========================== */
.glass-card, .auth-card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    position: relative;
    overflow: hidden;
}

.glass-card::before, .glass-card::after,
.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

/* ===========================
   FORM STYLES
   =========================== */
.input-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.input-field {
    width: 100%;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--glass-border);
    padding: 1rem;
    color: #fff;
    font-family: 'Rajdhani';
    font-size: 1.1rem;
    outline: none;
    transition: all 0.3s;
    border-radius: 4px;
}

.input-field:focus {
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(204, 255, 0, 0.1);
    background: rgba(0,0,0,0.5);
}

.input-label {
    position: absolute;
    left: 1rem;
    top: 1.1rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: all 0.3s;
    background: transparent;
    font-size: 1rem;
}

.input-field:focus ~ .input-label,
.input-field:not(:placeholder-shown) ~ .input-label {
    top: -10px;
    left: 10px;
    font-size: 0.8rem;
    color: var(--primary);
    background: var(--dark-bg);
    padding: 0 5px;
    font-family: 'Orbitron';
}

/* ===========================
   ANIMATIONS
   =========================== */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===========================
   RESPONSIVE UTILITIES
   =========================== */
@media (max-width: 768px) {
    .hide-mobile {
        display: none;
    }
}

@media (min-width: 769px) {
    .hide-desktop {
        display: none;
    }
}