/**
 * HazoLab Main Styles
 * 
 * @package HazoLab
 */

/* ===== CSS Variables ===== */
:root {
    /* Colors - Dark, professional palette matching brand */
    --primary-color: #0f172a;
    --primary-dark: #020617;
    --primary-light: #1e293b;
    --secondary-color: #334155;
    --secondary-dark: #1e293b;
    
    --accent-color: #475569;
    --accent-light: #64748b;
    
    --success-color: #059669;
    --warning-color: #d97706;
    --error-color: #dc2626;
    --info-color: #0891b2;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-light: #94a3b8;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-accent: #f9fafb;
    
    /* Additional background colors for components */
    --card-bg: #ffffff;
    
    /* Primary theme color for buttons and accents */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Gradients - Subtle and modern */
    --gradient-primary: linear-gradient(135deg, #1e40af 0%, #7c3aed 100%);
    --gradient-secondary: linear-gradient(135deg, #0891b2 0%, #2563eb 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    --gradient-subtle: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    
    /* Shadows - Natural and subtle */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-colored: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius - More modern */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.25rem;
    --radius-full: 9999px;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

ol, ul {
    color: var(--text-secondary);
}

li {
    color: var(--text-secondary);
}

li strong {
    color: var(--text-primary);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

/* Ensure proper contrast for all text on white backgrounds */
.card p,
.card-body p,
.card-footer p {
    color: var(--text-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-lg);
}

.container--wide {
    max-width: 1600px;
    padding-left: var(--spacing-3xl);
    padding-right: var(--spacing-3xl);
}

/* ===== Navigation ===== */
.navbar {
    background-color: transparent;
    border-bottom: 1px solid transparent;
    padding: var(--spacing-md) 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    backdrop-filter: none;
    transition: all var(--transition-base);
    box-shadow: none;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-sm) 0;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: all var(--transition-base);
}

.logo img {
    transition: all var(--transition-base);
}

.navbar:not(.scrolled) .logo-black {
    display: none !important;
}

.navbar:not(.scrolled) .logo-white {
    display: block !important;
}

.navbar.scrolled .logo-black {
    display: block !important;
}

.navbar.scrolled .logo-white {
    display: none !important;
}

.logo-icon {
    font-size: var(--font-size-2xl);
}

.logo:hover {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
}

.navbar:not(.scrolled) .nav-link {
    color: rgba(255, 255, 255, 0.9);
}

.navbar:not(.scrolled) .nav-link:hover {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.navbar.scrolled .nav-link:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
}

.user-menu-toggle:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--primary-color);
}

.user-icon {
    font-size: var(--font-size-lg);
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
}

.dropdown-arrow {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    transition: transform var(--transition-fast);
}

.user-menu-toggle.active .dropdown-arrow {
    transform: rotate(180deg);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    min-width: 200px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
    padding: var(--spacing-xs) 0;
}

.user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.dropdown-item:hover {
    background-color: var(--bg-secondary);
    color: var(--primary);
}

.dropdown-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: var(--spacing-xs) 0;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger-line {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.mobile-menu.active {
    max-height: 500px;
}

.mobile-menu-content {
    padding: var(--spacing-lg);
}

.mobile-menu-link {
    display: block;
    padding: var(--spacing-md);
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-menu-link:hover {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    letter-spacing: -0.01em;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--text-primary);
    color: white;
    box-shadow: var(--shadow-colored);
}

.btn-primary:hover:not(:disabled) {
    background: #1e293b;
    transform: translateY(-1px);
    box-shadow: var(--shadow-xl);
    color: white;
}

.btn-secondary {
    background-color: white;
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--bg-tertiary);
    border-color: var(--text-secondary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success:hover:not(:disabled) {
    background-color: #059669;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-danger {
    background-color: var(--error-color);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-danger:hover:not(:disabled) {
    background-color: #dc2626;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.0625rem;
    font-weight: 600;
}

.btn-block {
    width: 100%;
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
    background-color: white;
}

.form-control::placeholder {
    color: var(--text-light);
}

.form-text {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

.form-error {
    color: var(--error-color);
}

/* ===== Cards ===== */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-xl);
    border-color: var(--text-light);
}

.card-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.card-body {
    margin-bottom: var(--spacing-lg);
}

.card-footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* ===== Grid System ===== */
.grid {
    display: grid;
    gap: var(--spacing-xl);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== Main Content ===== */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 0;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
    margin-top: var(--spacing-3xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-weight: 700;
}

.footer-description {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.footer-heading {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

.footer-bottom p {
    margin-bottom: var(--spacing-xs);
}

.footer-version {
    margin-top: 0;
    font-size: var(--font-size-xs);
}

/* ===== Alerts ===== */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: var(--error-color);
    color: var(--error-color);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border-color: var(--warning-color);
    color: var(--warning-color);
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.1);
    border-color: var(--info-color);
    color: var(--info-color);
}

/* ===== Progress Bar ===== */
.progress {
    width: 100%;
    height: 8px;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
    border-radius: var(--radius-full);
}

/* ===== Spinner ===== */
.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--bg-tertiary);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto var(--spacing-lg);
}

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

/* ===== Utilities ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden { display: none; }

/* ===== Text Visibility Enhancements ===== */
/* Ensure all text has proper contrast on backgrounds */
.card h1, .card h2, .card h3, .card h4, .card h5, .card h6 {
    color: var(--text-primary);
}

.card strong {
    color: var(--text-primary);
}

small, .form-text {
    color: var(--text-secondary);
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .card {
        padding: var(--spacing-lg);
    }
}

/**
 * Maintenance Mode Styling
 */
.tool-card-maintenance {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.badge-maintenance {
    background-color: #f59e0b;
    color: white;
}

.maintenance-banner {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(251, 191, 36, 0.1) 100%);
    border-left: 4px solid #f59e0b;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.maintenance-banner .maintenance-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.maintenance-banner strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 1.125rem;
}

.maintenance-banner p {
    color: var(--text-secondary);
    margin: 0;
}

.credits-warning {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(248, 113, 113, 0.1) 100%);
    border-left: 4px solid #ef4444;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.credits-warning.warning-low {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-left: 4px solid #6366f1;
}

.credits-warning .warning-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.credits-warning strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.credits-warning p {
    color: var(--text-secondary);
    margin: var(--spacing-sm) 0;
}

.credits-warning .btn {
    margin-top: var(--spacing-sm);
}