@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap');

:root {
    --bg-color-1: #0f172a; /* Deep Midnight Blue */
    --bg-color-2: #1e1b4b; /* Dark Purple */
    --bg-color-3: #000000;
    
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    
    --primary-gradient: linear-gradient(135deg, #ec4899, #8b5cf6); /* Pink to Purple */
    --primary-shadow: 0 0 20px rgba(236, 72, 153, 0.4);
    
    --secondary-gradient: linear-gradient(135deg, #06b6d4, #3b82f6); /* Cyan to Blue */
    --secondary-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
    
    --danger-gradient: linear-gradient(135deg, #ef4444, #b91c1c);
    --danger-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
    
    --success-gradient: linear-gradient(135deg, #10b981, #059669);
    --success-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}

body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-primary);
    background: linear-gradient(-45deg, var(--bg-color-1), var(--bg-color-2), var(--bg-color-3));
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    overflow-x: hidden;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Glassmorphism Containers */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    padding: 2rem;
}

/* Typography Headings */
h1, h2, h3 {
    margin-top: 0;
    font-weight: 800;
    letter-spacing: -0.025em;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #cbd5e1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Inputs */
.input-field {
    width: 100%;
    padding: 12px 16px;
    margin-bottom: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: white;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.input-field:focus {
    outline: none;
    border-color: #ec4899;
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 10px rgba(236, 72, 153, 0.2);
}

.input-field::placeholder {
    color: #475569;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--primary-gradient);
    box-shadow: var(--primary-shadow);
}

.btn-primary:hover {
    box-shadow: 0 0 30px rgba(236, 72, 153, 0.6);
}

.btn-secondary {
    background: var(--secondary-gradient);
    box-shadow: var(--secondary-shadow);
}

.btn-secondary:hover {
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.6);
}

.btn-danger {
    background: var(--danger-gradient);
    box-shadow: var(--danger-shadow);
}

.btn-danger:hover {
    box-shadow: 0 0 30px rgba(239, 68, 68, 0.6);
}

.btn-success {
    background: var(--success-gradient);
    box-shadow: var(--success-shadow);
}

/* Base layouts for simple pages like login, join */
.center-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    text-align: center;
}

/* Hide scrollbar for webkit */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.4);
}