/* Private Equity Search Interface - Premium Professional Design */

/* Import Professional Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&family=Playfair+Display:wght@400;500;600;700&display=swap');

/* CSS Reset and Variables */
:root {
    /* Color System - Professional PE Theme */
    --pe-primary: #1e3a5f; /* Navy Blue */
    --pe-secondary: #2c4a69; /* Darker Navy */
    --pe-tertiary: #4a6fa5; /* Lighter Navy */
    --pe-accent: #1e3a5f; /* Navy Blue for accents */
    --pe-cream: #faf6f0; /* Cream */
    --pe-success: #1e3a5f; /* Navy Blue */
    --pe-warning: #d97706;
    --pe-error: #dc2626;
    
    /* Neutral Grays */
    --pe-gray-50: #f8fafc;
    --pe-gray-100: #f1f5f9;
    --pe-gray-200: #e2e8f0;
    --pe-gray-300: #cbd5e1;
    --pe-gray-400: #94a3b8;
    --pe-gray-500: #64748b;
    --pe-gray-600: #475569;
    --pe-gray-700: #334155;
    --pe-gray-800: #1e293b;
    --pe-gray-900: #0f172a;
    
    /* Typography */
    --pe-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --pe-font-mono: 'JetBrains Mono', Consolas, 'Liberation Mono', monospace;
    
    /* Spacing Scale */
    --pe-space-1: 0.25rem;
    --pe-space-2: 0.5rem;
    --pe-space-3: 0.75rem;
    --pe-space-4: 1rem;
    --pe-space-5: 1.25rem;
    --pe-space-6: 1.5rem;
    --pe-space-8: 2rem;
    --pe-space-10: 2.5rem;
    --pe-space-12: 3rem;
    --pe-space-16: 4rem;
    --pe-space-20: 5rem;
    
    /* Border Radius */
    --pe-radius-sm: 0.375rem;
    --pe-radius-md: 0.5rem;
    --pe-radius-lg: 0.75rem;
    --pe-radius-xl: 1rem;
    --pe-radius-full: 9999px;
    
    /* Shadows */
    --pe-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --pe-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --pe-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --pe-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --pe-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --pe-transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --pe-transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and Base Styles */
.sffc-pe-search-container,
.sffc-pe-search-container * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Main Container - Premium Layout */
.sffc-pe-search-container {
    font-family: var(--pe-font-sans);
    max-width: 800px;
    margin: 0 auto;
    padding: var(--pe-space-16) var(--pe-space-6);
    background: #0D353E;
    border-radius: var(--pe-radius-xl);
    box-shadow: var(--pe-shadow-xl);
    position: relative;
    overflow: hidden;
}

/* Background Pattern */
.sffc-pe-search-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(30, 58, 95, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(44, 74, 105, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(250, 246, 240, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.sffc-pe-search-container > * {
    position: relative;
    z-index: 1;
}

/* Header - Professional Branding */
.sffc-search-header {
    text-align: center;
    margin-bottom: var(--pe-space-12);
}

.sffc-search-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--pe-space-4);
    padding: var(--pe-space-3) 0;
}

.sffc-logo-icon {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    position: relative;
    width: 60px;
    height: 60px;
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 600;
    color: #ffffff;
    line-height: 1;
}

.sffc-logo-icon::after {
    content: '';
    position: absolute;
    top: 8px;
    right: 2px;
    width: 10px;
    height: 10px;
    background: #6CFFC4;
    border-radius: 50%;
}

.sffc-logo-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.sffc-logo-primary {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 500;
    color: #ffffff;
    letter-spacing: -0.025em;
    line-height: 1.1;
    margin-bottom: var(--pe-space-2);
}

.sffc-logo-tagline {
    font-size: 1.25rem;
    font-weight: 400;
    color: #ffffff;
    letter-spacing: 0.025em;
    text-align: center;
    margin-top: var(--pe-space-2);
}

/* Mode Selector - Professional Tabs */
.sffc-search-modes {
    display: flex;
    background: var(--pe-gray-100);
    border-radius: var(--pe-radius-xl);
    padding: var(--pe-space-2);
    margin-bottom: var(--pe-space-10);
    border: 1px solid var(--pe-gray-200);
    box-shadow: var(--pe-shadow-sm);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: var(--pe-space-1);
}

.sffc-search-modes::-webkit-scrollbar {
    display: none;
}

.sffc-mode-tab {
    display: flex;
    align-items: center;
    gap: var(--pe-space-3);
    padding: var(--pe-space-4) var(--pe-space-6);
    border: none;
    background: transparent;
    border-radius: var(--pe-radius-lg);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--pe-gray-600);
    transition: all var(--pe-transition-normal);
    white-space: nowrap;
    position: relative;
    min-width: fit-content;
    font-family: inherit;
}

.sffc-mode-tab:hover {
    background: rgba(255, 255, 255, 0.8);
    color: var(--pe-gray-900);
    transform: translateY(-1px);
    box-shadow: var(--pe-shadow-md);
}

.sffc-mode-tab.active {
    background: #0a4940;
    color: #ffffff;
    box-shadow: 0 6px 16px rgba(10, 73, 64, 0.24);
}

.sffc-mode-tab.active .sffc-mode-icon {
    color: #0D353E;
}

.sffc-mode-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--pe-transition-normal);
}

.sffc-mode-icon svg {
    width: 18px;
    height: 18px;
}

.sffc-mode-label {
    font-weight: 600;
    letter-spacing: 0.025em;
}

/* Main Search Bar - Premium Design */
.sffc-search-main {
    margin-bottom: var(--pe-space-10);
}

.sffc-search-bar-container {
    position: relative;
    margin-bottom: var(--pe-space-8);
}

.sffc-search-bar {
    display: flex;
    align-items: center;
    width: 100%;
    background: #ffffff;
    border: 2px solid var(--pe-gray-200);
    border-radius: var(--pe-radius-xl);
    padding: var(--pe-space-5) var(--pe-space-6);
    transition: all var(--pe-transition-normal);
    box-shadow: var(--pe-shadow-lg);
    position: relative;
    backdrop-filter: blur(10px);
}

.sffc-search-bar::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--pe-radius-xl);
    padding: 2px;
    background: linear-gradient(135deg, var(--pe-accent), var(--pe-secondary), var(--pe-tertiary));
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: subtract;
    opacity: 0;
    transition: opacity var(--pe-transition-normal);
    pointer-events: none;
}

.sffc-search-bar:focus-within::before {
    opacity: 1;
}

.sffc-search-bar:focus-within {
    border-color: transparent;
    box-shadow: 
        var(--pe-shadow-xl),
        0 0 0 4px rgba(30, 58, 95, 0.1);
    transform: translateY(-2px);
}

.sffc-search-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    margin-right: var(--pe-space-4);
    color: var(--pe-gray-400);
    transition: color var(--pe-transition-normal);
    flex-shrink: 0;
}

.sffc-search-bar:focus-within .sffc-search-icon {
    color: var(--pe-accent);
}

.sffc-search-input {
    flex: 1;
    border: none !important;
    outline: none !important;
    background: transparent;
    font-size: 1.125rem;
    line-height: 1.5;
    color: var(--pe-gray-900);
    font-family: inherit;
    font-weight: 500;
    padding: var(--pe-space-2) 0;
    box-shadow: none !important;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.sffc-search-input::placeholder {
    color: var(--pe-gray-500);
    font-weight: 400;
}

.sffc-search-input:focus {
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.sffc-search-actions {
    display: flex;
    align-items: center;
    gap: var(--pe-space-2);
    margin-left: var(--pe-space-4);
}

.sffc-search-clear,
.sffc-voice-search {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--pe-radius-md);
    color: var(--pe-gray-400);
    transition: all var(--pe-transition-fast);
}

.sffc-search-clear:hover,
.sffc-voice-search:hover {
    background: var(--pe-gray-100);
    color: var(--pe-gray-700);
    transform: scale(1.05);
}

.sffc-search-clear {
    display: none;
}

.sffc-search-input:not(:placeholder-shown) ~ .sffc-search-actions .sffc-search-clear {
    display: flex;
}

.sffc-search-divider {
    width: 1px;
    height: 24px;
    background: var(--pe-gray-200);
    margin: 0 var(--pe-space-2);
}

/* Premium Autocomplete Dropdown */
.sffc-autocomplete-dropdown {
    position: absolute;
    top: calc(100% + var(--pe-space-2));
    left: 0;
    right: 0;
    background: #ffffff;
    border: 1px solid var(--pe-gray-200);
    border-radius: var(--pe-radius-xl);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    max-height: 480px;
    overflow-y: auto;
    overflow-x: hidden;
}

.sffc-autocomplete-content {
    padding: var(--pe-space-4);
}

.sffc-suggestion-item {
    display: flex;
    align-items: center;
    gap: var(--pe-space-4);
    padding: var(--pe-space-4) var(--pe-space-5);
    cursor: pointer;
    border-radius: var(--pe-radius-lg);
    transition: all var(--pe-transition-fast);
    border: 1px solid transparent;
    margin-bottom: var(--pe-space-1);
}

.sffc-suggestion-item:last-child {
    margin-bottom: 0;
}

.sffc-suggestion-item:hover,
.sffc-suggestion-item.highlighted {
    background: linear-gradient(135deg, var(--pe-gray-50) 0%, #ffffff 100%);
    border-color: var(--pe-gray-200);
    transform: translateX(2px);
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.05);
}

.sffc-suggestion-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--pe-gray-100);
    border-radius: var(--pe-radius-lg);
    color: var(--pe-gray-600);
    flex-shrink: 0;
    border: 1px solid var(--pe-gray-200);
}

.sffc-suggestion-icon svg {
    width: 18px;
    height: 18px;
}

/* Company logo styling */
.sffc-suggestion-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--pe-radius-md);
}

/* Letter icon styling */
.sffc-suggestion-icon.letter-icon {
    background: linear-gradient(135deg, var(--pe-accent) 0%, #5B5FE6 100%);
    color: white;
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    border-color: var(--pe-accent);
}

.sffc-suggestion-content {
    flex: 1;
    min-width: 0;
}

.sffc-suggestion-text {
    font-size: var(--pe-text-base);
    font-weight: 600;
    color: var(--pe-gray-900);
    line-height: 1.4;
    margin-bottom: var(--pe-space-1);
}

.sffc-suggestion-category {
    font-size: var(--pe-text-sm);
    color: var(--pe-gray-500);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.sffc-suggestion-highlight {
    font-weight: 700;
    color: var(--pe-accent);
    background: rgba(99, 102, 241, 0.1);
    padding: 0 var(--pe-space-1);
    border-radius: var(--pe-radius-sm);
}

/* Search Buttons - Professional CTA */
.sffc-search-buttons {
    display: flex;
    justify-content: center;
    gap: var(--pe-space-4);
    margin-top: var(--pe-space-8);
}

.sffc-search-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--pe-space-4) var(--pe-space-8);
    border: 2px solid transparent;
    border-radius: var(--pe-radius-xl);
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--pe-transition-normal);
    text-decoration: none;
    min-width: 140px;
    height: 52px;
    position: relative;
    overflow: hidden;
}

.sffc-search-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.2) 50%, transparent 100%);
    transform: translateX(-100%);
    transition: transform var(--pe-transition-normal);
}

.sffc-search-btn:hover::before {
    transform: translateX(100%);
}

.sffc-search-submit {
    background: #6CFFC4;
    color: #0D353E;
    box-shadow: var(--pe-shadow-lg);
    font-weight: 600;
}

.sffc-search-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--pe-shadow-xl);
}

.sffc-feeling-lucky {
    background: #ffffff;
    color: var(--pe-gray-700);
    border-color: var(--pe-gray-300);
    box-shadow: var(--pe-shadow-md);
}

.sffc-feeling-lucky:hover {
    background: var(--pe-gray-50);
    border-color: var(--pe-gray-400);
    transform: translateY(-1px);
    box-shadow: var(--pe-shadow-lg);
}

/* Quick Filters */
.sffc-quick-filters {
    margin-top: var(--pe-space-8);
    text-align: center;
}

.sffc-filter-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--pe-space-2);
}

.sffc-filter-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--pe-space-2);
    padding: var(--pe-space-2) var(--pe-space-4);
    background: var(--pe-gray-100);
    border: 1px solid var(--pe-gray-200);
    border-radius: var(--pe-radius-full);
    color: var(--pe-gray-700);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--pe-transition-fast);
}

.sffc-filter-pill:hover {
    background: var(--pe-gray-200);
    transform: translateY(-1px);
}

.sffc-filter-pill.active {
    background: var(--pe-accent);
    border-color: transparent;
    color: #ffffff;
}

/* Search Stats */
.sffc-search-stats {
    text-align: left;
    margin-bottom: var(--pe-space-6);
    color: var(--pe-gray-600);
    font-size: 0.875rem;
    font-weight: 500;
}

.sffc-results-count strong,
.sffc-search-time strong {
    color: var(--pe-gray-900);
    font-weight: 600;
}

/* Loading States */
.sffc-search-loading .sffc-search-input {
    background-image: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    background-size: 200% 100%;
    animation: loading-shimmer 1.5s infinite;
}

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

/* Voice Search Animation */
.sffc-voice-search.sffc-voice-listening {
    background: linear-gradient(135deg, var(--pe-error) 0%, #fca5a5 100%);
    color: #ffffff;
    animation: voice-pulse 1.5s infinite;
}

@keyframes voice-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .sffc-pe-search-container {
        padding: var(--pe-space-8) var(--pe-space-4);
        margin: var(--pe-space-4);
        border-radius: var(--pe-radius-lg);
    }
    
    .sffc-search-logo {
        padding: var(--pe-space-4) var(--pe-space-6);
        gap: var(--pe-space-3);
    }
    
    .sffc-logo-icon {
        width: 40px;
        height: 40px;
    }
    
    .sffc-logo-primary {
        font-size: 1.25rem;
    }
    
    .sffc-logo-secondary {
        font-size: 0.75rem;
    }
    
    .sffc-search-modes {
        padding: var(--pe-space-1);
        margin-bottom: var(--pe-space-8);
    }
    
    .sffc-mode-tab {
        padding: var(--pe-space-3) var(--pe-space-4);
        font-size: 0.8125rem;
        gap: var(--pe-space-2);
    }
    
    .sffc-mode-icon svg {
        width: 16px;
        height: 16px;
    }
    
    .sffc-search-bar {
        padding: var(--pe-space-4) var(--pe-space-5);
    }
    
    .sffc-search-input {
        font-size: 1rem;
    }
    
    .sffc-search-buttons {
        flex-direction: column;
        gap: var(--pe-space-3);
    }
    
    .sffc-search-btn {
        width: 100%;
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .sffc-search-modes {
        justify-content: flex-start;
        overflow-x: auto;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }
    
    .sffc-mode-tab {
        flex-shrink: 0;
        min-width: fit-content;
    }
    
    .sffc-search-bar {
        padding: var(--pe-space-3) var(--pe-space-4);
    }
    
    .sffc-search-input {
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    .sffc-autocomplete-dropdown {
        border-radius: var(--pe-radius-lg);
    }
}

/* High DPI Display Support */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .sffc-search-bar {
        border-width: 1px;
    }
    
    .sffc-search-bar:focus-within {
        border-width: 2px;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --pe-gray-50: #0f172a;
        --pe-gray-100: #1e293b;
        --pe-gray-200: #334155;
        --pe-gray-300: #475569;
        --pe-gray-400: #64748b;
        --pe-gray-500: #94a3b8;
        --pe-gray-600: #cbd5e1;
        --pe-gray-700: #e2e8f0;
        --pe-gray-800: #f1f5f9;
        --pe-gray-900: #f8fafc;
    }
    
    .sffc-pe-search-container {
        background: linear-gradient(135deg, var(--pe-gray-100) 0%, var(--pe-gray-50) 100%);
    }
    
    .sffc-search-bar {
        background: var(--pe-gray-100);
        border-color: var(--pe-gray-200);
    }
    
    .sffc-autocomplete-dropdown {
        background: var(--pe-gray-100);
        border-color: var(--pe-gray-200);
    }
}

/* Print Styles */
@media print {
    .sffc-pe-search-container {
        box-shadow: none;
        background: #ffffff;
    }
    
    .sffc-search-buttons,
    .sffc-voice-search {
        display: none;
    }
}