/* Engine IFRS 16 - Neon Cyberpunk Theme */
/* FX Studio AI - 2025 */

:root {
    --neon-blue: #00d4ff;
    --neon-cyan: #00fff7;
    --neon-purple: #b829dd;
    --neon-magenta: #ff00ff;
    --dark-bg: #0a0e17;
    --dark-card: #0d1321;
    --dark-border: #1a2332;
    --dark-input: rgba(10, 14, 23, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #8892a4;
    --text-muted: #5a6478;
    --glow-blue: 0 0 20px rgba(0, 212, 255, 0.5), 0 0 40px rgba(0, 212, 255, 0.3);
    --glow-purple: 0 0 20px rgba(184, 41, 221, 0.5), 0 0 40px rgba(184, 41, 221, 0.3);
    --success: #00ff88;
    --error: #ff4466;
    --warning: #ffaa00;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* Circuit Pattern Background */
.circuit-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.08;
    background-image: 
        linear-gradient(90deg, var(--neon-blue) 1px, transparent 1px),
        linear-gradient(var(--neon-blue) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

/* Glass Card */
.glass-card {
    background: linear-gradient(135deg, rgba(13, 19, 33, 0.9) 0%, rgba(10, 14, 23, 0.95) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--dark-border);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.glass-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
}

/* Neon Card with glow */
.neon-card {
    background: linear-gradient(135deg, var(--dark-card) 0%, rgba(10, 22, 40, 0.9) 100%);
    border: 1px solid var(--neon-blue);
    border-radius: 20px;
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.15);
    transition: all 0.3s ease;
}

.neon-card:hover {
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.25);
    transform: translateY(-2px);
}

/* Input Fields */
.input-neon {
    background: var(--dark-input);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    padding: 14px 18px;
    color: var(--text-primary);
    font-size: 0.95rem;
    width: 100%;
    transition: all 0.3s ease;
}

.input-neon::placeholder {
    color: var(--text-muted);
}

.input-neon:focus {
    outline: none;
    border-color: var(--neon-blue);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15), 0 0 20px rgba(0, 212, 255, 0.1);
}

/* Primary Button */
.btn-neon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-purple) 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
}

.btn-neon:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5), var(--glow-blue);
}

.btn-neon:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Secondary Button */
.btn-neon-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    background: transparent;
    color: var(--neon-cyan);
    border: 2px solid var(--neon-cyan);
}

.btn-neon-outline:hover {
    background: rgba(0, 255, 247, 0.1);
    box-shadow: var(--glow-blue);
}

/* Small Button */
.btn-neon-sm {
    padding: 10px 20px;
    font-size: 0.85rem;
    border-radius: 8px;
}

/* Labels */
.label-neon {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

/* Error Message */
.error-msg {
    padding: 12px 16px;
    background: rgba(255, 68, 102, 0.1);
    border: 1px solid rgba(255, 68, 102, 0.3);
    border-radius: 10px;
    color: var(--error);
    font-size: 0.9rem;
}

/* Success Message */
.success-msg {
    padding: 12px 16px;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 10px;
    color: var(--success);
    font-size: 0.9rem;
}

/* Links */
.link-neon {
    color: var(--neon-cyan);
    text-decoration: none;
    transition: all 0.3s ease;
}

.link-neon:hover {
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-cyan);
}

/* Logo Container */
.logo-container {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-container img {
    height: 60px;
    width: auto;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.4));
}

.logo-container .brand-text {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Page Title */
.page-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff, var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Tabs */
.tabs-container {
    display: flex;
    background: rgba(10, 14, 23, 0.6);
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 24px;
}

.tab-btn {
    flex: 1;
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    background: transparent;
    color: var(--text-secondary);
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    color: white;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

/* Footer */
.footer-neon {
    text-align: center;
    padding: 24px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

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

.footer-neon a:hover {
    text-shadow: 0 0 10px var(--neon-cyan);
}

/* Spinner Animation */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.spinner {
    animation: spin 1s linear infinite;
}

/* Password Strength Bar */
.strength-bar {
    height: 4px;
    border-radius: 2px;
    background: var(--dark-border);
    transition: all 0.3s ease;
}

.strength-bar.weak { background: var(--error); }
.strength-bar.fair { background: var(--warning); }
.strength-bar.good { background: #88ff00; }
.strength-bar.strong { background: var(--success); }

/* Table Styles (for Calculator - using normal fonts) */
.table-neon {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 0.85rem;
}

.table-neon thead {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(184, 41, 221, 0.1));
}

.table-neon th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--neon-cyan);
    border-bottom: 1px solid var(--dark-border);
    white-space: nowrap;
}

.table-neon td {
    padding: 10px 16px;
    border-bottom: 1px solid rgba(26, 35, 50, 0.5);
    color: var(--text-secondary);
}

.table-neon tbody tr:hover {
    background: rgba(0, 212, 255, 0.05);
}

.table-neon tbody tr:hover td {
    color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--dark-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-blue);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.5s ease forwards;
}

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

/* Responsive */
@media (max-width: 768px) {
    .glass-card {
        border-radius: 16px;
        padding: 24px;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .btn-neon {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}