/* ═══════════════════════════════════════════════════════════════
   GENERUJGRE.PL - GAMING DESIGN SYSTEM
   Modern dark theme with neon accents
   ═══════════════════════════════════════════════════════════════ */

/* ─── CSS Variables ─────────────────────────────────────────── */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(20, 20, 30, 0.8);
    --bg-card-hover: rgba(30, 30, 45, 0.9);
    
    --accent: #00F0AF;
    --accent-hover: #00FFB8;
    --accent-glow: rgba(0, 240, 175, 0.4);
    --accent-subtle: rgba(0, 240, 175, 0.1);
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    
    --success: #44ff88;
    --error: #ff4466;
    --warning: #ffaa44;
    
    --border: rgba(255, 255, 255, 0.1);
    --border-accent: rgba(0, 240, 175, 0.3);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px var(--accent-glow);
}

/* ─── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

/* ─── Animated Background ───────────────────────────────────── */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.bg-animation::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 80%, var(--accent-subtle) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(100, 0, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 100, 255, 0.03) 0%, transparent 40%);
    animation: bgPulse 20s ease-in-out infinite;
}

@keyframes bgPulse {
    0%, 100% { transform: translate(0, 0) rotate(0deg); opacity: 1; }
    33% { transform: translate(2%, 2%) rotate(1deg); opacity: 0.8; }
    66% { transform: translate(-1%, 1%) rotate(-1deg); opacity: 0.9; }
}

/* Floating particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite ease-in-out;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 12s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 14s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 16s; }
.particle:nth-child(4) { left: 40%; animation-delay: 1s; animation-duration: 13s; }
.particle:nth-child(5) { left: 50%; animation-delay: 3s; animation-duration: 15s; }
.particle:nth-child(6) { left: 60%; animation-delay: 5s; animation-duration: 11s; }
.particle:nth-child(7) { left: 70%; animation-delay: 2s; animation-duration: 17s; }
.particle:nth-child(8) { left: 80%; animation-delay: 4s; animation-duration: 14s; }
.particle:nth-child(9) { left: 90%; animation-delay: 1s; animation-duration: 12s; }

@keyframes float {
    0%, 100% { 
        transform: translateY(100vh) scale(1);
        opacity: 0;
    }
    10% { opacity: 0.3; }
    90% { opacity: 0.3; }
    100% { 
        transform: translateY(-100px) scale(0.5);
        opacity: 0;
    }
}

/* ─── Layout ────────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    padding: var(--space-lg);
}

.container-wide {
    max-width: 1200px;
}

.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl) var(--space-md);
}

/* ─── Header ────────────────────────────────────────────────── */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    background: linear-gradient(to bottom, var(--bg-primary), transparent);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-shadow: 0 0 20px var(--accent-glow);
}

.logo-icon {
    font-size: 1.8rem;
}

/* ─── Language Selector ─────────────────────────────────────── */
.lang-selector {
    position: relative;
}

.lang-current {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 0.9rem;
}

.lang-current:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--space-xs);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
    min-width: 150px;
    box-shadow: var(--shadow-lg);
}

.lang-selector.open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.9rem;
}

.lang-option:hover {
    background: var(--accent-subtle);
    color: var(--accent);
}

.lang-option.active {
    background: var(--accent-subtle);
    color: var(--accent);
}

/* ─── Cards ─────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(0, 240, 175, 0.1);
}

.card-title {
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-xs);
    background: linear-gradient(135deg, var(--text-primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    font-size: 0.95rem;
}

.card-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    margin: var(--space-lg) 0;
    border: none;
}

/* ─── Form Elements ─────────────────────────────────────────── */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: var(--transition-normal);
    pointer-events: none;
}

.form-input {
    width: 100%;
    padding: var(--space-md) var(--space-md) var(--space-md) 3rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1.1rem;
    font-family: 'Fira Code', 'Consolas', monospace;
    letter-spacing: 2px;
    text-align: center;
    transition: var(--transition-normal);
}

.form-input::placeholder {
    color: var(--text-muted);
    letter-spacing: 1px;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-subtle), var(--shadow-glow);
}

.form-input:focus + .input-icon,
.form-input:not(:placeholder-shown) + .input-icon {
    color: var(--accent);
}

/* ─── Checkboxes ────────────────────────────────────────────── */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.checkbox-wrapper:hover {
    background: var(--accent-subtle);
}

.checkbox-input {
    display: none;
}

.checkbox-custom {
    width: 22px;
    height: 22px;
    min-width: 22px;
    border: 2px solid var(--border);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
    background: var(--bg-secondary);
}

.checkbox-custom::after {
    content: '✓';
    color: var(--bg-primary);
    font-weight: bold;
    font-size: 14px;
    opacity: 0;
    transform: scale(0);
    transition: var(--transition-fast);
}

.checkbox-input:checked + .checkbox-custom {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}

.checkbox-input:checked + .checkbox-custom::after {
    opacity: 1;
    transform: scale(1);
}

.checkbox-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
    user-select: none;
}

/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--accent), #00c896);
    color: var(--bg-primary);
    font-size: 1.1rem;
    padding: var(--space-md) var(--space-xl);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow), 0 10px 30px rgba(0, 240, 175, 0.3);
}

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

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

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

.btn-copy {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.85rem;
    border: 1px solid var(--border);
}

.btn-copy:hover {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

.btn-copy.copied {
    background: var(--success);
    border-color: var(--success);
    color: var(--bg-primary);
}

/* ─── Loading Spinner ───────────────────────────────────────── */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--bg-primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.btn-loading .btn-text {
    opacity: 0;
}

.btn-loading .spinner {
    position: absolute;
}

/* ─── Results Section ───────────────────────────────────────── */
.results {
    margin-top: var(--space-xl);
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.result-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.result-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border);
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.result-value {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: 'Fira Code', monospace;
    color: var(--text-primary);
    word-break: break-all;
}

.result-notes {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background: rgba(255, 170, 68, 0.1);
    border-left: 3px solid var(--warning);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ─── Toast Notifications ───────────────────────────────────── */
.toast-container {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease, fadeOut 0.3s ease 4.7s forwards;
    max-width: 400px;
}

.toast-success {
    border-color: var(--success);
    background: rgba(68, 255, 136, 0.1);
}

.toast-error {
    border-color: var(--error);
    background: rgba(255, 68, 102, 0.1);
}

.toast-icon {
    font-size: 1.5rem;
}

.toast-message {
    flex: 1;
    font-size: 0.95rem;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0;
    transition: var(--transition-fast);
}

.toast-close:hover {
    color: var(--text-primary);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateX(50px);
    }
}

/* ─── Footer ────────────────────────────────────────────────── */
.footer {
    text-align: center;
    padding: var(--space-xl);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

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

/* ─── Admin Panel Specific ──────────────────────────────────── */
.admin-header {
    background: var(--bg-secondary);
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--space-xl);
}

.admin-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    text-align: center;
    transition: var(--transition-normal);
}

.stat-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--space-sm);
}

/* Admin Table */
.admin-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background: var(--bg-card);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.admin-table th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-table tr:hover td {
    background: var(--accent-subtle);
}

.admin-table td {
    font-size: 0.9rem;
}

.admin-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.admin-form-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--accent);
}

.admin-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
}

.admin-form .form-input {
    text-align: left;
    letter-spacing: normal;
    font-family: inherit;
    padding-left: var(--space-md);
}

.admin-textarea {
    width: 100%;
    min-height: 100px;
    padding: var(--space-md);
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    resize: vertical;
    transition: var(--transition-normal);
}

.admin-textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background: rgba(68, 255, 136, 0.2);
    color: var(--success);
}

.badge-warning {
    background: rgba(255, 170, 68, 0.2);
    color: var(--warning);
}

.badge-error {
    background: rgba(255, 68, 102, 0.2);
    color: var(--error);
}

.note-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--warning);
    border-radius: 50%;
    margin-left: var(--space-xs);
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }
    
    .header {
        padding: var(--space-sm) var(--space-md);
    }
    
    .logo {
        font-size: 1.2rem;
    }
    
    .card {
        padding: var(--space-lg);
    }
    
    .card-title {
        font-size: 1.4rem;
    }
    
    .toast-container {
        left: var(--space-md);
        right: var(--space-md);
    }
    
    .toast {
        max-width: 100%;
    }
    
    .result-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
    
    .result-value {
        width: 100%;
        justify-content: space-between;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .admin-form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-table th,
    .admin-table td {
        padding: var(--space-sm);
        font-size: 0.8rem;
    }
}

/* ─── Utilities ─────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.hidden { display: none !important; }
.visible { display: block !important; }

/* ─── Print Styles ──────────────────────────────────────────── */
@media print {
    .bg-animation,
    .particles,
    .header,
    .toast-container {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}