/* =============================================================================
   DBMan - Modern Professional Installation Wizard (Default Theme)
   Completely new symmetric, responsive design with FontAwesome
   ============================================================================= */

/* Import FontAwesome */
@import url('../../../fontawesome.min.css');

:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --text-inverse: #ffffff;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    --duration-fast: 0.15s;
    --duration-normal: 0.3s;
    --ease-out: cubic-bezier(0.0, 0.0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0.0, 0.2, 1);
}

/* =============================================================================
   BASE STYLES & LAYOUT
   ============================================================================= */

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

body.install-page {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.install-wizard {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 600px;
    overflow: hidden;
    position: relative;
}

.install-wizard::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
}

.install-wizard__container {
    padding: var(--space-xl);
}

/* =============================================================================
   HEADER DESIGN
   ============================================================================= */

.install-wizard__header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.install-wizard__logo {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.install-wizard__subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    font-weight: 400;
    margin: 0;
    opacity: 0.9;
}

/* =============================================================================
   PROGRESS INDICATOR
   ============================================================================= */

.install-wizard__progress {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    position: relative;
}

.install-wizard__progress::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    height: 2px;
    background: #e2e8f0;
    border-radius: 1px;
    transform: translateY(-50%);
    z-index: 1;
}

.install-wizard__step {
    background: var(--bg-secondary);
    color: var(--text-tertiary);
    border: 2px solid #e2e8f0;
    border-radius: 50px;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    font-weight: 600;
    min-width: 100px;
    text-align: center;
    position: relative;
    z-index: 2;
    transition: all var(--duration-normal) var(--ease-in-out);
}

.install-wizard__step--active {
    background: var(--primary);
    color: var(--text-inverse);
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.install-wizard__step--completed {
    background: var(--success);
    color: var(--text-inverse);
    border-color: var(--success);
}

/* =============================================================================
   FORM STRUCTURE
   ============================================================================= */

.install-wizard__form {
    width: 100%;
}

.install-wizard__form-group {
    margin-bottom: var(--space-xl);
}

.install-wizard__label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.install-wizard__label i {
    color: var(--primary);
    font-size: 1.25rem;
}

/* =============================================================================
   FORM INPUTS & STYLING
   ============================================================================= */

.install-wizard__input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--duration-normal) var(--ease-in-out);
    outline: none;
}

.install-wizard__input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    transform: translateY(-1px);
}

.install-wizard__input::placeholder {
    color: var(--text-tertiary);
    opacity: 0.7;
}

.install-wizard__password-strength {
    margin-top: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
    transition: all var(--duration-normal) var(--ease-in-out);
}

.install-wizard__password-strength--weak {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.install-wizard__password-strength--medium {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.install-wizard__password-strength--strong {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.install-wizard__error-message {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-top: var(--space-xl);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.install-wizard__error-message ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.install-wizard__error-message li {
    margin-bottom: var(--space-sm);
    position: relative;
    padding-left: var(--space-md);
}

.install-wizard__error-message li::before {
    content: '⚠️';
    position: absolute;
    left: 0;
    top: 0;
}

.install-wizard__requirements {
    background: var(--bg-secondary);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-top: var(--space-md);
}

.install-wizard__requirements-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.install-wizard__requirements-title i {
    color: var(--primary);
}

.install-wizard__requirements-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.install-wizard__requirement {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: all var(--duration-normal) var(--ease-in-out);
}

.install-wizard__requirement i {
    color: #d1d5db;
    transition: all var(--duration-normal) var(--ease-in-out);
}

.install-wizard__requirement.valid {
    color: var(--success);
}

.install-wizard__requirement.valid i {
    color: var(--success);
}

.install-wizard__requirement.invalid {
    color: var(--text-tertiary);
}

.install-wizard__actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid #e2e8f0;
}

/* =============================================================================
   BUTTON STYLING
   ============================================================================= */

.button {
    display: inline-flex;
    align-items: 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;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-in-out);
    outline: none;
    position: relative;
    overflow: hidden;
}

.button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--duration-slow) var(--ease-in-out);
}

.button:hover::before {
    left: 100%;
}

.button--primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--text-inverse);
    box-shadow: var(--shadow-md);
}

.button--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.button--secondary {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 2px solid #e2e8f0;
}

.button--secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}

.button i {
    font-size: 1rem;
}

/* =============================================================================
   MODERN OPTION CARDS
   ============================================================================= */

.install-wizard__radio-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.install-wizard__radio-option {
    background: var(--bg-secondary);
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-in-out);
    position: relative;
    overflow: hidden;
}

.install-wizard__radio-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-in-out);
    z-index: 1;
}

.install-wizard__radio-option:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.install-wizard__radio-option:hover::before {
    opacity: 0.05;
}

.install-wizard__radio-option--selected {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-color: var(--primary);
    color: var(--text-inverse);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.install-wizard__radio-option--selected .install-wizard__name,
.install-wizard__radio-option--selected .install-wizard__flag {
    color: var(--text-inverse);
    position: relative;
    z-index: 3;
}

.install-wizard__radio-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.install-wizard__flag {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    display: block;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
    transition: all var(--duration-normal) var(--ease-in-out);
    position: relative;
    z-index: 3;
}

.install-wizard__radio-option:hover .install-wizard__flag {
    transform: scale(1.1);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.2));
}

.install-wizard__name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.125rem;
    margin: 0;
    letter-spacing: -0.01em;
    transition: all var(--duration-normal) var(--ease-in-out);
    position: relative;
    z-index: 3;
}

.install-wizard__radio-option:hover .install-wizard__name {
    transform: translateY(-2px);
}

.install-wizard__theme-preview {
    width: 80px;
    height: 50px;
    border-radius: var(--radius-md);
    margin: 0 auto var(--space-md);
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-in-out);
    z-index: 3;
}

.install-wizard__radio-option:hover .install-wizard__theme-preview {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.install-wizard__radio-option--selected .install-wizard__theme-preview {
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-xl);
}

.install-wizard__theme-preview--default {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: var(--text-inverse);
    font-size: 1.5rem;
}

.install-wizard__theme-preview--dark {
    background: linear-gradient(135deg, #6366f1 0%, #4338ca 100%);
    color: var(--text-inverse);
    font-size: 1.5rem;
}

/* =============================================================================
   ACTIONS SECTION
   ============================================================================= */

.install-wizard__actions {
    text-align: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid #e2e8f0;
}

.button {
    display: inline-flex;
    align-items: 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: all var(--duration-normal) var(--ease-in-out);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.button--primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--text-inverse);
    box-shadow: var(--shadow-md);
}

.button--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* =============================================================================
   RESPONSIVE DESIGN
   ============================================================================= */

@media (max-width: 768px) {
    .install-wizard__container {
        padding: var(--space-lg);
    }

    .install-wizard__radio-group {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .install-wizard__radio-option {
        padding: var(--space-lg);
    }

    .install-wizard__step {
        min-width: 80px;
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.75rem;
    }

    .button {
        width: 100%;
        justify-content: center;
    }
}

/* =============================================================================
   ANIMATIONS
   ============================================================================= */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.install-wizard {
    animation: fadeInUp 0.6s var(--ease-out);
}

.install-wizard__radio-option {
    animation: fadeInUp 0.6s var(--ease-out);
    animation-fill-mode: both;
}

.install-wizard__radio-option:nth-child(1) { animation-delay: 0.1s; }
.install-wizard__radio-option:nth-child(2) { animation-delay: 0.2s; }

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.install-wizard__radio-option:focus-visible,
.button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* =============================================================================
   PASSWORD POPUP & DYNAMIC VALIDATION
   ============================================================================= */

/* Password field with popup container */
.install-wizard__password-group {
    position: relative;
}

.install-wizard__password-wrapper {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.install-wizard__password-wrapper .install-wizard__input {
    flex: 1;
    min-width: 0;
}

/* Password requirements popup */
.install-wizard__password-popup {
    position: fixed;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    width: 300px;
    background: var(--bg-primary);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: var(--space-lg);
    z-index: 1000;
    display: none;
    animation: fadeInSlideFromRight 0.3s ease-out;
}

@keyframes fadeInSlideFromRight {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}

@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.install-wizard__popup-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.install-wizard__popup-header i {
    color: var(--primary);
    font-size: 1rem;
}

/* Responsive design for popup */
@media (max-width: 1200px) {
    .install-wizard__password-popup {
        position: fixed;
        left: 50% !important;
        right: auto !important;
        top: 50% !important;
        transform: translate(-50%, -50%) !important;
        max-width: 90vw;
        width: 350px;
        z-index: 10000;
    }
    
    .install-wizard__password-popup::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
    }
}

@media (max-width: 768px) {
    .install-wizard__password-popup {
        width: 300px;
        max-width: 85vw;
    }
}

/* Password strength meter inside popup */
.install-wizard__strength-meter {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid #e2e8f0;
}

.install-wizard__strength-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--text-secondary);
}

.install-wizard__strength-bar {
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
}

.install-wizard__strength-fill {
    height: 100%;
    width: 0%;
    transition: all var(--duration-normal) var(--ease-in-out);
    border-radius: 3px;
}

.install-wizard__strength-fill--weak {
    background: linear-gradient(90deg, var(--error), #f87171);
}

.install-wizard__strength-fill--medium {
    background: linear-gradient(90deg, var(--warning), #fbbf24);
}

.install-wizard__strength-fill--strong {
    background: linear-gradient(90deg, var(--success), #34d399);
}

/* Updated requirement styles */
.install-wizard__requirements-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.install-wizard__requirement {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    transition: all var(--duration-fast) var(--ease-in-out);
}

.install-wizard__requirement i {
    font-size: 0.875rem;
    color: var(--error);
    transition: color var(--duration-fast) var(--ease-in-out);
}

.install-wizard__requirement--met {
    color: var(--text-primary);
}

.install-wizard__requirement--met i {
    color: var(--success);
}

.install-wizard__requirement span {
    flex: 1;
}