/**
 * Choicery Corporate Design System
 *
 * This file establishes the unified visual identity and design tokens
 * for the Choicery application. It extends the existing style.css with
 * enhanced corporate branding and professional design patterns.
 *
 * IMPORTANT: This file does NOT affect survey flow styling, which
 * maintains its own separate design system.
 *
 * Usage: Include this after style.css in templates:
 * <link href="{{ url_for('static', filename='css/corporate.css') }}" rel="stylesheet">
 */

/* ==================== ENHANCED BRAND TOKENS ==================== */
:root {
    /* Choicery Corporate Brand Identity */
    --choicery-primary: var(--brand-primary);          /* Main brand teal */
    --choicery-primary-light: var(--brand-primary-soft);     /* Brand light green */
    --choicery-primary-dark: var(--brand-primary-strong);      /* Brand dark blue */
    --choicery-primary-darker: var(--brand-primary-deep);    /* Even darker for depth */

    /* Corporate Gradient System */
    --choicery-gradient: var(--brand-gradient);
    --choicery-gradient-subtle: var(--brand-gradient-soft);
    --choicery-gradient-hover: linear-gradient(135deg, var(--brand-primary-deep) 0%, var(--brand-primary-strong) 50%, var(--brand-primary) 100%);

    /* Professional Color Scale */
    --corporate-white: var(--gray-0);
    --corporate-gray-50: var(--gray-50);
    --corporate-gray-100: var(--gray-100);
    --corporate-gray-200: var(--gray-200);
    --corporate-gray-300: var(--gray-300);
    --corporate-gray-400: var(--gray-400);
    --corporate-gray-500: var(--gray-500);
    --corporate-gray-600: var(--gray-600);
    --corporate-gray-700: var(--gray-700);
    --corporate-gray-800: var(--gray-800);
    --corporate-gray-900: var(--gray-900);

    /* Semantic Colors - Corporate Palette */
    --corporate-success: var(--success-500);
    --corporate-success-light: var(--accent-teal-300);
    --corporate-warning: var(--warning-500);
    --corporate-warning-light: var(--warning-500);
    --corporate-error: var(--danger-500);
    --corporate-error-light: var(--danger-200);
    --corporate-info: var(--info-500);
    --corporate-info-light: var(--info-200);

    /* Typography — uses var(--font-sans) from typography.css */

    /* Corporate Spacing System */
    --space-xs: var(--space-1);
    --space-sm: var(--space-2);
    --space-md: var(--space-4);
    --space-lg: var(--space-6);
    --space-xl: var(--space-8);
    --space-2xl: var(--space-12);
    --space-3xl: var(--space-16);

    /* Corporate Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Professional Shadows */
    --shadow-corporate-sm: var(--elevation-sm);
    --shadow-corporate-md: var(--elevation-md);
    --shadow-corporate-lg: var(--elevation-lg);
    --shadow-corporate-xl: var(--elevation-xl);

    /* Interactive States */
    --hover-lift: translateY(-2px);
    --active-scale: scale(0.98);
    --transition-smooth: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== CORPORATE TYPOGRAPHY ==================== */
.corporate-display-1 {
    font-family: var(--font-sans);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--choicery-primary);
}

.corporate-display-2 {
    font-family: var(--font-sans);
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--corporate-gray-800);
}

.corporate-heading-1 {
    font-family: var(--font-sans);
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--corporate-gray-800);
    margin-bottom: var(--space-lg);
}

.corporate-heading-2 {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--corporate-gray-700);
    margin-bottom: var(--space-md);
}

.corporate-heading-3 {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--corporate-gray-700);
    margin-bottom: var(--space-md);
}

.corporate-body-large {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--corporate-gray-600);
}

.corporate-body {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--corporate-gray-600);
}

.corporate-body-small {
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--corporate-gray-500);
}

.corporate-caption {
    font-size: 0.75rem;
    line-height: 1.4;
    color: var(--corporate-gray-500);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==================== ENHANCED CORPORATE BUTTONS ==================== */
.btn-corporate-primary {
    background: var(--choicery-primary) !important;
    border: none !important;
    color: white !important;
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-corporate-md);
}

.btn-corporate-primary:hover {
    background: var(--choicery-primary-darker) !important;
    transform: var(--hover-lift);
    box-shadow: var(--shadow-corporate-lg);
    color: white !important;
}

.btn-corporate-primary:active {
    transform: var(--active-scale);
}

.btn-corporate-secondary {
    background: var(--corporate-white) !important;
    border: 2px solid var(--choicery-primary) !important;
    color: var(--choicery-primary) !important;
    font-weight: 600;
    padding: 0.625rem 2rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-corporate-sm);
}

.btn-corporate-secondary:hover {
    background: var(--choicery-primary) !important;
    color: white !important;
    transform: var(--hover-lift);
    box-shadow: var(--shadow-corporate-md);
}

.btn-corporate-ghost {
    background: transparent !important;
    border: 1px solid var(--corporate-gray-300) !important;
    color: var(--corporate-gray-700) !important;
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: var(--transition-smooth);
}

.btn-corporate-ghost:hover {
    background: var(--corporate-gray-50) !important;
    border-color: var(--corporate-gray-400) !important;
    color: var(--corporate-gray-800) !important;
}

/* Button Sizes */
.btn-corporate-lg {
    padding: 1rem 3rem !important;
    font-size: 1.1rem !important;
    border-radius: var(--radius-lg) !important;
}

.btn-corporate-sm {
    padding: 0.5rem 1rem !important;
    font-size: 0.875rem !important;
    border-radius: var(--radius-sm) !important;
}

/* ==================== ENHANCED CORPORATE CARDS ==================== */
.corporate-card {
    background: var(--corporate-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--corporate-gray-200);
    box-shadow: var(--shadow-corporate-sm);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.corporate-card:hover {
    box-shadow: var(--shadow-corporate-md);
    transform: translateY(-1px);
}

.corporate-card-header {
    background: var(--corporate-gray-50);
    border-bottom: 1px solid var(--corporate-gray-200);
    padding: var(--space-lg);
    position: relative;
}

.corporate-card-header-primary {
    background: var(--choicery-primary);
    color: white;
    border: none;
}

.corporate-card-body {
    padding: var(--space-lg);
}

.corporate-card-compact {
    border-radius: var(--radius-lg);
}

.corporate-card-compact .corporate-card-header {
    padding: var(--space-md);
}

.corporate-card-compact .corporate-card-body {
    padding: var(--space-md);
}

/* Feature Cards */
.corporate-feature-card {
    background: var(--corporate-white);
    border-radius: var(--radius-xl);
    border: 2px solid var(--corporate-gray-100);
    padding: var(--space-2xl);
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.corporate-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--choicery-primary);
    opacity: 0;
    transition: var(--transition-smooth);
}

.corporate-feature-card:hover {
    border-color: var(--choicery-primary);
    box-shadow: var(--shadow-corporate-lg);
    transform: var(--hover-lift);
}

.corporate-feature-card:hover::before {
    opacity: 1;
}

.corporate-feature-icon {
    width: 64px;
    height: 64px;
    background: var(--choicery-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin: 0 auto var(--space-lg);
    transition: transform 0.2s ease;
}

.corporate-feature-card:hover .corporate-feature-icon {
    transform: scale(1.1);
}

/* ==================== ENHANCED FORMS ==================== */
.corporate-form-group {
    margin-bottom: var(--space-lg);
}

.corporate-form-label {
    font-weight: 600;
    color: var(--corporate-gray-700);
    margin-bottom: var(--space-sm);
    display: block;
    font-size: 0.875rem;
    letter-spacing: 0.025em;
}

.corporate-form-label.required::after {
    content: '*';
    color: var(--corporate-error);
    margin-left: 0.25rem;
}

.corporate-form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--corporate-gray-300);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    background: var(--corporate-white);
    color: var(--corporate-gray-700);
}

.corporate-form-input:focus {
    outline: none;
    border-color: var(--choicery-primary);
    box-shadow: 0 0 0 0.25rem var(--brand-tint-15);
}

.corporate-form-input::placeholder {
    color: var(--corporate-gray-400);
    font-style: italic;
}

.corporate-form-input.error {
    border-color: var(--corporate-error);
    box-shadow: 0 0 0 0.25rem var(--danger-tint-10);
}

.corporate-form-select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='none' stroke='%23374151' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3E%3C/svg%3E");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 16px 12px;
    padding-right: 2.5rem;
}

/* ==================== PROFESSIONAL TABLES ==================== */
.corporate-table {
    width: 100%;
    margin-bottom: 0;
    background: var(--corporate-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-corporate-sm);
}

.corporate-table thead th {
    background: var(--corporate-gray-50);
    color: var(--corporate-gray-700);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.75rem;
    padding: 1rem;
    border-bottom: 2px solid var(--corporate-gray-200);
    border: none;
}

.corporate-table tbody td {
    padding: 1rem;
    border-bottom: 1px solid var(--corporate-gray-100);
    color: var(--corporate-gray-600);
    font-size: 0.875rem;
    vertical-align: middle;
    border: none;
}

.corporate-table tbody tr:hover {
    background: var(--corporate-gray-50);
}

.corporate-table tbody tr:last-child td {
    border-bottom: none;
}

/* ==================== PROFESSIONAL ALERTS ==================== */
.corporate-alert {
    border-radius: var(--radius-lg);
    border: 1px solid;
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.corporate-alert-success {
    background: var(--success-50);
    border-color: var(--corporate-success);
    color: var(--corporate-gray-700);
    padding: 0.5rem 0.75rem;
}

.corporate-alert-warning {
    background: var(--warning-50);
    border-color: var(--corporate-warning);
    color: var(--corporate-gray-700);
    padding: 0.5rem 0.75rem;
}

.corporate-alert-error {
    background: var(--danger-50);
    border-color: var(--corporate-error);
    color: var(--corporate-gray-700);
    padding: 0.5rem 0.75rem;
}

.corporate-alert-info {
    background: var(--info-50);
    border-color: var(--corporate-info);
    color: var(--corporate-gray-700);
    padding: 0.5rem 0.75rem;
}

.corporate-alert-icon {
    font-size: 1.25rem;
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.corporate-alert-content h6 {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--corporate-gray-800);
}

/* ==================== PROFESSIONAL BADGES ==================== */
.corporate-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.025em;
    text-transform: uppercase;
}

.corporate-badge-primary {
    background: var(--choicery-gradient-subtle);
    color: var(--choicery-primary-dark);
    border: 1px solid var(--brand-tint-20);
}

.corporate-badge-success {
    background: var(--success-tint-10);
    color: var(--success-700);
    border: 1px solid var(--success-tint-strong-20);
}

.corporate-badge-warning {
    background: var(--warning-tint-10);
    color: var(--warning-700);
    border: 1px solid var(--warning-tint-20);
}

.corporate-badge-error {
    background: var(--danger-tint-10);
    color: var(--danger-700);
    border: 1px solid var(--danger-tint-20);
}

.corporate-badge-neutral {
    background: var(--corporate-gray-100);
    color: var(--corporate-gray-600);
    border: 1px solid var(--corporate-gray-200);
}

/* ==================== NAVIGATION ENHANCEMENTS ==================== */
.corporate-nav-pills {
    background: var(--corporate-gray-100);
    padding: 0.25rem;
    border-radius: var(--radius-lg);
    display: inline-flex;
    gap: 0.25rem;
}

.corporate-nav-pill {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--corporate-gray-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition-smooth);
    border: none;
    cursor: pointer;
}

.corporate-nav-pill:hover {
    background: var(--surface-glass-70);
    color: var(--corporate-gray-700);
}

.corporate-nav-pill.active {
    background: var(--corporate-white);
    color: var(--choicery-primary);
    box-shadow: var(--shadow-corporate-sm);
}

/* ==================== PROGRESS INDICATORS ==================== */
.corporate-progress {
    height: 0.75rem;
    background: var(--corporate-gray-200);
    border-radius: 9999px;
    overflow: hidden;
    position: relative;
}

.corporate-progress-bar {
    height: 100%;
    background: var(--choicery-primary);
    border-radius: inherit;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.corporate-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent 0%, var(--surface-shimmer) 50%, transparent 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ==================== HERO SECTIONS ==================== */
.corporate-hero {
    background: var(--choicery-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl) var(--space-2xl);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: var(--space-2xl);
}

.corporate-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.corporate-hero-content {
    position: relative;
    z-index: 1;
}

.corporate-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    text-shadow: 0 2px 4px var(--shadow-neutral-10);
}

.corporate-hero p {
    font-size: 1.25rem;
    margin-bottom: var(--space-xl);
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ==================== UTILITIES ==================== */
.corporate-shadow-none { box-shadow: none !important; }
.corporate-shadow-sm { box-shadow: var(--shadow-corporate-sm) !important; }
.corporate-shadow-md { box-shadow: var(--shadow-corporate-md) !important; }
.corporate-shadow-lg { box-shadow: var(--shadow-corporate-lg) !important; }
.corporate-shadow-xl { box-shadow: var(--shadow-corporate-xl) !important; }

.corporate-rounded-sm { border-radius: var(--radius-sm) !important; }
.corporate-rounded { border-radius: var(--radius-md) !important; }
.corporate-rounded-lg { border-radius: var(--radius-lg) !important; }
.corporate-rounded-xl { border-radius: var(--radius-xl) !important; }

/* Text Colors */
.corporate-text-primary { color: var(--choicery-primary) !important; }
.corporate-text-gray { color: var(--corporate-gray-600) !important; }
.corporate-text-muted { color: var(--corporate-gray-500) !important; }

/* Background Colors */
.corporate-bg-primary { background: var(--choicery-primary) !important; }
.corporate-bg-light { background: var(--corporate-gray-50) !important; }
.corporate-bg-white { background: var(--corporate-white) !important; }

/* Spacing Utilities */
.corporate-p-xs { padding: var(--space-xs) !important; }
.corporate-p-sm { padding: var(--space-sm) !important; }
.corporate-p-md { padding: var(--space-md) !important; }
.corporate-p-lg { padding: var(--space-lg) !important; }
.corporate-p-xl { padding: var(--space-xl) !important; }

.corporate-m-xs { margin: var(--space-xs) !important; }
.corporate-m-sm { margin: var(--space-sm) !important; }
.corporate-m-md { margin: var(--space-md) !important; }
.corporate-m-lg { margin: var(--space-lg) !important; }
.corporate-m-xl { margin: var(--space-xl) !important; }

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 768px) {
    .corporate-display-1 { font-size: 2.5rem; }
    .corporate-display-2 { font-size: 2rem; }
    .corporate-hero h1 { font-size: 2.25rem; }
    .corporate-hero p { font-size: 1.125rem; }

    .btn-corporate-lg {
        padding: 0.875rem 2rem !important;
        font-size: 1rem !important;
    }

    .corporate-feature-card {
        padding: var(--space-lg);
    }

    .corporate-card-header,
    .corporate-card-body {
        padding: var(--space-md);
    }
}

/* ==================== DARK MODE READY ==================== */
@media (prefers-color-scheme: dark) {
    .corporate-dark {
        --corporate-white: var(--gray-800);
        --corporate-gray-50: var(--gray-700);
        --corporate-gray-100: var(--gray-600);
        --corporate-gray-200: var(--gray-500);
        --corporate-gray-300: var(--gray-400);
        --corporate-gray-400: var(--gray-300);
        --corporate-gray-500: var(--gray-200);
        --corporate-gray-600: var(--gray-100);
        --corporate-gray-700: var(--gray-50);
        --corporate-gray-800: var(--gray-0);
        --corporate-gray-900: var(--gray-0);
    }
}

/* ==================== ANIMATION SYSTEM ==================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.corporate-animate-fade { animation: fadeIn 0.6s ease-out; }
.corporate-animate-slide { animation: slideIn 0.6s ease-out; }
.corporate-animate-pulse { animation: pulse 2s infinite; }

/* Staggered animations for lists */
.corporate-stagger > * {
    opacity: 0;
    animation: fadeIn 0.6s ease-out forwards;
}

.corporate-stagger > *:nth-child(1) { animation-delay: 0.1s; }
.corporate-stagger > *:nth-child(2) { animation-delay: 0.2s; }
.corporate-stagger > *:nth-child(3) { animation-delay: 0.3s; }
.corporate-stagger > *:nth-child(4) { animation-delay: 0.4s; }
.corporate-stagger > *:nth-child(5) { animation-delay: 0.5s; }

/* ==================== BRAND FOCUS RING ==================== */
/* Replaces browser/Bootstrap blue focus indicators with Choicery teal.
   Uses tokens from design_tokens.css --admin-brand-* facade. */

*:focus-visible {
    outline: 2px solid var(--admin-brand-primary);
    outline-offset: 2px;
    border-radius: 2px;
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    border-color: var(--admin-brand-primary);
    box-shadow: 0 0 0 0.2rem var(--admin-focus-ring);
}

.btn:focus-visible {
    box-shadow: 0 0 0 0.2rem var(--admin-focus-ring-strong);
}

/* ==================== BRAND SPINNERS & PROGRESS BARS ==================== */
/* Bootstrap default spinners/progress-bars adopt Choicery teal. Semantic
   bg-danger/bg-warning preserve their meaning. */

.spinner-border,
.spinner-grow {
    color: var(--admin-brand-primary);
}

/* Inside a button the spinner takes the label color; teal on a teal button
   was invisible. */
.btn .spinner-border,
.btn .spinner-grow {
    color: inherit;
}

.progress-bar {
    background-color: var(--admin-brand-primary);
}

.progress-bar.bg-success { background-color: var(--admin-brand-primary) !important; }
.progress-bar.bg-info    { background-color: var(--admin-brand-primary) !important; }
.progress-bar.bg-danger  { background-color: var(--danger-500); }
.progress-bar.bg-warning { background-color: var(--warning-500); }