/**
 * VWP Glass UI Framework
 * iOS 26 Liquid Glass Inspired Design System
 *
 * @package VWP_Candidate_Manager
 */

/* =========================================
   CSS VARIABLES
   ========================================= */
:root {
    /* Glass Effect Variables */
    --vwp-glass-bg: rgba(255, 255, 255, 0.12);
    --vwp-glass-bg-solid: rgba(255, 255, 255, 0.85);
    --vwp-glass-border: rgba(255, 255, 255, 0.25);
    --vwp-glass-border-strong: rgba(255, 255, 255, 0.4);
    --vwp-glass-blur: 24px;
    --vwp-glass-blur-light: 12px;
    --vwp-glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    --vwp-glass-shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.18);
    --vwp-glass-inner-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.3);
    
    /* Pride Gradient */
    --vwp-pride-gradient: linear-gradient(
        135deg,
        #E40303 0%,
        #FF8C00 16.67%,
        #FFED00 33.33%,
        #008026 50%,
        #24408E 66.67%,
        #732982 83.33%,
        #E40303 100%
    );
    
    /* Accent Colors */
    --vwp-primary: #5046e5;
    --vwp-primary-light: #818cf8;
    --vwp-primary-dark: #3730a3;
    --vwp-accent: #06b6d4;
    --vwp-success: #10b981;
    --vwp-warning: #f59e0b;
    --vwp-danger: #ef4444;
    
    /* Neutral Colors */
    --vwp-white: #ffffff;
    --vwp-gray-50: #f9fafb;
    --vwp-gray-100: #f3f4f6;
    --vwp-gray-200: #e5e7eb;
    --vwp-gray-300: #d1d5db;
    --vwp-gray-400: #9ca3af;
    --vwp-gray-500: #6b7280;
    --vwp-gray-600: #4b5563;
    --vwp-gray-700: #374151;
    --vwp-gray-800: #1f2937;
    --vwp-gray-900: #111827;
    
    /* Typography */
    --vwp-font-sans: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --vwp-font-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    
    /* Spacing */
    --vwp-space-xs: 4px;
    --vwp-space-sm: 8px;
    --vwp-space-md: 16px;
    --vwp-space-lg: 24px;
    --vwp-space-xl: 32px;
    --vwp-space-2xl: 48px;
    --vwp-space-3xl: 64px;
    
    /* Border Radius */
    --vwp-radius-sm: 8px;
    --vwp-radius-md: 12px;
    --vwp-radius-lg: 16px;
    --vwp-radius-xl: 24px;
    --vwp-radius-2xl: 32px;
    --vwp-radius-full: 9999px;
    
    /* Transitions */
    --vwp-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --vwp-transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --vwp-transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --vwp-transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* =========================================
   GLASS CARD COMPONENT
   ========================================= */
.vwp-glass-card {
    position: relative;
    background: var(--vwp-glass-bg-solid);
    backdrop-filter: blur(var(--vwp-glass-blur));
    -webkit-backdrop-filter: blur(var(--vwp-glass-blur));
    border: 1px solid var(--vwp-glass-border);
    border-radius: var(--vwp-radius-xl);
    box-shadow: var(--vwp-glass-shadow), var(--vwp-glass-inner-shadow);
    overflow: hidden;
    transition: all var(--vwp-transition-normal);
}

.vwp-glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.5),
        transparent
    );
    opacity: 0.6;
}

.vwp-glass-card:hover {
    box-shadow: var(--vwp-glass-shadow-hover), var(--vwp-glass-inner-shadow);
    transform: translateY(-2px);
}

/* Dark Glass Variant */
.vwp-glass-card--dark {
    background: rgba(17, 24, 39, 0.75);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--vwp-white);
}

/* Solid Glass Variant */
.vwp-glass-card--solid {
    background: var(--vwp-white);
    backdrop-filter: none;
}

/* Pride Border Variant */
.vwp-glass-card--pride {
    border: 2px solid transparent;
    background-image: 
        linear-gradient(var(--vwp-white), var(--vwp-white)),
        var(--vwp-pride-gradient);
    background-origin: border-box;
    background-clip: padding-box, border-box;
}

/* =========================================
   BUTTONS
   ========================================= */
.vwp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--vwp-space-sm);
    padding: var(--vwp-space-md) var(--vwp-space-xl);
    font-family: var(--vwp-font-sans);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    text-decoration: none;
    border: none;
    border-radius: var(--vwp-radius-lg);
    cursor: pointer;
    transition: all var(--vwp-transition-normal);
    position: relative;
    overflow: hidden;
}

.vwp-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.2) 0%,
        transparent 50%
    );
    pointer-events: none;
}

.vwp-btn:active {
    transform: scale(0.98);
}

/* Primary Button */
.vwp-btn-primary {
    background: linear-gradient(135deg, var(--vwp-primary) 0%, var(--vwp-primary-dark) 100%);
    color: var(--vwp-white);
    box-shadow: 0 4px 12px rgba(80, 70, 229, 0.4);
}

.vwp-btn-primary:hover {
    box-shadow: 0 6px 20px rgba(80, 70, 229, 0.5);
    transform: translateY(-1px);
}

/* Pride Button */
.vwp-btn-pride {
    background: var(--vwp-pride-gradient);
    background-size: 200% 100%;
    color: var(--vwp-white);
    animation: pride-shimmer 3s linear infinite;
}

@keyframes pride-shimmer {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

/* Outline Button */
.vwp-btn-outline {
    background: transparent;
    border: 2px solid var(--vwp-gray-300);
    color: var(--vwp-gray-700);
}

.vwp-btn-outline:hover {
    border-color: var(--vwp-primary);
    color: var(--vwp-primary);
    background: rgba(80, 70, 229, 0.05);
}

/* Glass Button */
.vwp-btn-glass {
    background: var(--vwp-glass-bg);
    backdrop-filter: blur(var(--vwp-glass-blur-light));
    border: 1px solid var(--vwp-glass-border);
    color: var(--vwp-gray-800);
}

.vwp-btn-glass:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Button Sizes */
.vwp-btn-sm {
    padding: var(--vwp-space-sm) var(--vwp-space-md);
    font-size: 13px;
}

.vwp-btn-lg {
    padding: var(--vwp-space-lg) var(--vwp-space-2xl);
    font-size: 17px;
}

/* =========================================
   FORM ELEMENTS
   ========================================= */
.vwp-input,
.vwp-select,
.vwp-textarea {
    width: 100%;
    padding: var(--vwp-space-md) var(--vwp-space-lg);
    font-family: var(--vwp-font-sans);
    font-size: 16px;
    line-height: 1.5;
    color: var(--vwp-gray-900);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--vwp-gray-200);
    border-radius: var(--vwp-radius-md);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: all var(--vwp-transition-fast);
    -webkit-appearance: none;
    appearance: none;
}

.vwp-input:focus,
.vwp-select:focus,
.vwp-textarea:focus {
    outline: none;
    border-color: var(--vwp-primary);
    box-shadow: 
        0 0 0 3px rgba(80, 70, 229, 0.15),
        0 1px 2px rgba(0, 0, 0, 0.05);
}

.vwp-input::placeholder {
    color: var(--vwp-gray-400);
}

.vwp-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 20px;
    padding-right: 48px;
}

.vwp-textarea {
    resize: vertical;
    min-height: 120px;
}

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

.vwp-form-group label {
    display: block;
    margin-bottom: var(--vwp-space-sm);
    font-weight: 500;
    color: var(--vwp-gray-700);
}

.vwp-form-group .required {
    color: var(--vwp-danger);
}

.vwp-help-text {
    display: block;
    margin-top: var(--vwp-space-xs);
    font-size: 13px;
    color: var(--vwp-gray-500);
}

/* Form Row */
.vwp-form-row {
    display: flex;
    gap: var(--vwp-space-lg);
}

.vwp-form-row-2 > .vwp-form-group {
    flex: 1;
}

/* Checkbox & Radio */
.vwp-checkbox,
.vwp-option {
    display: flex;
    align-items: flex-start;
    gap: var(--vwp-space-md);
    cursor: pointer;
    padding: var(--vwp-space-sm) 0;
}

.vwp-checkbox input,
.vwp-option input {
    position: absolute;
    opacity: 0;
}

.vwp-checkbox-mark,
.vwp-option-radio {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border: 2px solid var(--vwp-gray-300);
    border-radius: 6px;
    transition: all var(--vwp-transition-fast);
    position: relative;
}

.vwp-option-radio {
    border-radius: 50%;
}

.vwp-checkbox input:checked + .vwp-checkbox-mark,
.vwp-option input:checked + .vwp-option-radio {
    background: var(--vwp-primary);
    border-color: var(--vwp-primary);
}

.vwp-checkbox input:checked + .vwp-checkbox-mark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 6px;
    height: 12px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.vwp-option input:checked + .vwp-option-radio::after {
    content: '';
    position: absolute;
    inset: 4px;
    background: white;
    border-radius: 50%;
}

/* =========================================
   SCORE BADGE
   ========================================= */
.vwp-score-badge-wrapper {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: var(--vwp-space-sm);
}

.vwp-score-badge-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: 
        conic-gradient(
            var(--score-color) calc(var(--score-percent) * 3.6deg),
            var(--vwp-gray-200) calc(var(--score-percent) * 3.6deg)
        );
    position: relative;
}

.vwp-score-badge-circle::before {
    content: '';
    position: absolute;
    inset: 4px;
    background: white;
    border-radius: 50%;
}

.vwp-score-number {
    position: relative;
    font-size: 20px;
    font-weight: 700;
    color: var(--vwp-gray-800);
}

.vwp-score-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Size Variants */
.vwp-size-small .vwp-score-badge-circle {
    width: 48px;
    height: 48px;
}

.vwp-size-small .vwp-score-number {
    font-size: 16px;
}

.vwp-size-large .vwp-score-badge-circle {
    width: 80px;
    height: 80px;
}

.vwp-size-large .vwp-score-number {
    font-size: 24px;
}

/* =========================================
   NOTIFICATIONS/NOTICES
   ========================================= */
.vwp-notice {
    display: flex;
    gap: var(--vwp-space-md);
    padding: var(--vwp-space-lg);
    border-radius: var(--vwp-radius-lg);
    margin-bottom: var(--vwp-space-lg);
}

.vwp-notice-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.vwp-notice strong {
    display: block;
    margin-bottom: var(--vwp-space-xs);
}

.vwp-notice p {
    margin: 0 0 var(--vwp-space-sm);
    color: inherit;
    opacity: 0.9;
}

.vwp-notice-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #065f46;
}

.vwp-notice-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #1e40af;
}

.vwp-notice-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #92400e;
}

.vwp-notice-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #991b1b;
}

/* =========================================
   SPINNER
   ========================================= */
.vwp-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: vwp-spin 0.8s linear infinite;
}

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

/* =========================================
   HONEYPOT (Hidden)
   ========================================= */
.vwp-hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    pointer-events: none;
}

/* =========================================
   FORM STEPS
   ========================================= */
.vwp-form-steps {
    display: flex;
    justify-content: center;
    gap: var(--vwp-space-xl);
    margin-bottom: var(--vwp-space-2xl);
    padding-bottom: var(--vwp-space-lg);
    border-bottom: 1px solid var(--vwp-gray-200);
}

.vwp-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--vwp-space-sm);
    opacity: 0.5;
    transition: all var(--vwp-transition-normal);
}

.vwp-step.active {
    opacity: 1;
}

.vwp-step.completed {
    opacity: 1;
}

.vwp-step-number {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--vwp-gray-200);
    border-radius: 50%;
    font-weight: 600;
    color: var(--vwp-gray-600);
    transition: all var(--vwp-transition-normal);
}

.vwp-step.active .vwp-step-number {
    background: var(--vwp-primary);
    color: white;
}

.vwp-step.completed .vwp-step-number {
    background: var(--vwp-success);
    color: white;
}

.vwp-step-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--vwp-gray-600);
}

.vwp-form-step {
    display: none;
}

.vwp-form-step.active {
    display: block;
    animation: fadeIn var(--vwp-transition-normal);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =========================================
   QUESTION BLOCKS
   ========================================= */
.vwp-question-block {
    display: flex;
    gap: var(--vwp-space-lg);
    padding: var(--vwp-space-lg);
    background: var(--vwp-gray-50);
    border-radius: var(--vwp-radius-lg);
    margin-bottom: var(--vwp-space-lg);
}

.vwp-question-number {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--vwp-primary);
    color: white;
    font-weight: 600;
    border-radius: 50%;
}

.vwp-question-content {
    flex: 1;
}

.vwp-question-label {
    display: block;
    font-weight: 500;
    color: var(--vwp-gray-800);
    margin-bottom: var(--vwp-space-md);
    line-height: 1.5;
}

.vwp-question-options {
    display: flex;
    flex-direction: column;
    gap: var(--vwp-space-sm);
}

.vwp-option {
    padding: var(--vwp-space-md);
    background: white;
    border-radius: var(--vwp-radius-md);
    border: 1px solid var(--vwp-gray-200);
    transition: all var(--vwp-transition-fast);
}

.vwp-option:hover {
    border-color: var(--vwp-primary-light);
    background: rgba(80, 70, 229, 0.02);
}

.vwp-option input:checked ~ .vwp-option-text {
    color: var(--vwp-primary-dark);
    font-weight: 500;
}

/* =========================================
   PHOTO UPLOAD
   ========================================= */
.vwp-photo-upload {
    display: flex;
    align-items: center;
    gap: var(--vwp-space-lg);
}

.vwp-photo-preview {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--vwp-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 2px dashed var(--vwp-gray-300);
}

.vwp-photo-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vwp-photo-preview .dashicons {
    font-size: 32px;
    color: var(--vwp-gray-400);
}

.vwp-file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

/* =========================================
   FORM SUCCESS
   ========================================= */
.vwp-form-success {
    text-align: center;
    padding: var(--vwp-space-3xl) var(--vwp-space-xl);
}

.vwp-success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--vwp-space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--vwp-success);
    color: white;
    font-size: 40px;
    border-radius: 50%;
    animation: successPop var(--vwp-transition-spring);
}

@keyframes successPop {
    0% { transform: scale(0); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* =========================================
   FORM ACTIONS
   ========================================= */
.vwp-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--vwp-space-md);
    margin-top: var(--vwp-space-xl);
    padding-top: var(--vwp-space-lg);
    border-top: 1px solid var(--vwp-gray-200);
}

/* =========================================
   FORM CONTAINER
   ========================================= */
.vwp-form-container {
    max-width: 720px;
    margin: var(--vwp-space-xl) auto;
    padding: var(--vwp-space-2xl);
}

.vwp-form-header {
    text-align: center;
    margin-bottom: var(--vwp-space-2xl);
}

.vwp-form-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--vwp-gray-900);
    margin: 0 0 var(--vwp-space-sm);
}

.vwp-form-header p {
    color: var(--vwp-gray-500);
    margin: 0;
}

/* =========================================
   ANIMATIONS
   ========================================= */
.vwp-animate-in {
    animation: vwpAnimateIn var(--vwp-transition-normal) forwards;
}

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

/* Stagger animation delays */
.vwp-animate-in:nth-child(1) { animation-delay: 0ms; }
.vwp-animate-in:nth-child(2) { animation-delay: 50ms; }
.vwp-animate-in:nth-child(3) { animation-delay: 100ms; }
.vwp-animate-in:nth-child(4) { animation-delay: 150ms; }
.vwp-animate-in:nth-child(5) { animation-delay: 200ms; }
.vwp-animate-in:nth-child(6) { animation-delay: 250ms; }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 768px) {
    .vwp-form-container {
        margin: var(--vwp-space-md);
        padding: var(--vwp-space-lg);
    }
    
    .vwp-form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .vwp-form-steps {
        gap: var(--vwp-space-md);
    }
    
    .vwp-step-label {
        display: none;
    }
    
    .vwp-question-block {
        flex-direction: column;
    }
    
    .vwp-form-actions {
        flex-direction: column;
    }
    
    .vwp-btn {
        width: 100%;
    }
}