/* 3Cs Landing Page Styles */

:root {
    --primary: #00d5ff;
    --secondary: #4EA1FF;
    --accent: #8BF5E6;
    --highlight: #8b5cf6;
    --dark: #0a0a0a;
    --dark-lighter: #1a1a1a;
    --dark-card: #111111;
    --text: #ffffff;
    --text-muted: #aaaaaa;
    --danger: #EF4444;
    --success: #10B981;
    --border-red: #ff0000;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.bg-animation::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(0, 213, 255, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 1; }
    50% { transform: scale(1.1) rotate(5deg); opacity: 0.8; }
}

/* Grid lines animation */
.grid-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 213, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 213, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Main Container */
.container {
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

/* Logo & Header */
.header {
    text-align: center;
    margin-bottom: 3rem;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.logo-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--highlight));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    box-shadow: 0 10px 40px rgba(0, 213, 255, 0.3);
    animation: float 3s ease-in-out infinite, neonGlow 2s infinite alternate;
}

@keyframes neonGlow {
    0% { box-shadow: 0 0 25px var(--primary), 0 0 50px var(--primary); }
    100% { box-shadow: 0 0 25px var(--highlight), 0 0 50px var(--highlight); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.logo-text {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    color: var(--text-muted);
    font-size: 1.1rem;
    letter-spacing: 0.05em;
}

/* Login Card */
.login-card {
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--border-red);
    border-radius: 20px;
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    animation: neonGlow 2s infinite alternate;
}

.login-card h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    font-weight: 600;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--dark);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 10px;
    color: var(--text);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 213, 255, 0.3);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 0.5;
}

/* Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    width: 100%;
    background: rgba(0, 0, 0, 0.5);
    color: var(--text);
    border: 2px solid var(--border-red);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: rgba(255, 0, 0, 0.3);
    box-shadow: 0 8px 25px rgba(255, 0, 0, 0.5);
}

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

/* Alert Messages */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
}

.alert-icon {
    flex-shrink: 0;
}

/* Footer */
.footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    border-top: 1px solid rgba(148, 163, 184, 0.1);
}

.footer a {
    color: var(--primary);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* Feature Pills */
.features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 2rem;
    max-width: 500px;
}

.feature-pill {
    background: rgba(0, 213, 255, 0.1);
    border: 1px solid rgba(0, 213, 255, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-pill svg {
    width: 14px;
    height: 14px;
}

/* Loading spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 480px) {
    .container {
        padding: 1rem;
    }

    .logo-text {
        font-size: 2rem;
    }

    .login-card {
        padding: 1.5rem;
    }

    .features {
        gap: 0.5rem;
    }

    .feature-pill {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }
}