/* ==========================================
   VTproxy - Main Styles
   ========================================== */

/* CSS Variables */
:root {
    /* Colors - Dark Theme */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #1a1a1a;
    --bg-hover: #242424;
    
    /* Orange Accents */
    --orange-primary: #f57e03;
    --orange-hover: #ff9520;
    --orange-active: #d66e02;
    
    /* Status Colors */
    --red: #FF4444;
    --yellow: #FFB800;
    --green: #00E676;
    --gray: #9E9E9E;
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #B0B0B0;
    --text-muted: #6B6B7D;
    
    /* Border */
    --border-color: #2a2a2a;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

/* ==========================================
   Reset & Base Styles
   ========================================== */

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

html {
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 
                 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

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

a:hover {
    color: var(--orange-hover);
    text-decoration: underline;
}

button {
    font-family: inherit;
    cursor: pointer;
}

input, textarea, select {
    font-family: inherit;
}

/* ==========================================
   Layout
   ========================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================
   Header
   ========================================== */

.app-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--bg-tertiary);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo a {
    display: flex;
    align-items: center;
    color: var(--orange-primary);
    text-decoration: none;
    transition: opacity var(--transition-base);
}

.logo a:hover {
    opacity: 0.8;
    text-decoration: none;
}

.header-logo {
    height: 40px;
    width: auto;
    display: block;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--orange-primary);
    margin: 0;
}

.logo a:hover h1 {
    color: var(--orange-hover);
}

.header-search {
    flex: 1;
    max-width: 600px;
    position: relative;
    display: none; /* Hidden by default, shown on results page */
}

.header-search-input {
    width: 100%;
    padding: 0.5rem 2.5rem 0.5rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.header-search-input:focus {
    border-color: var(--orange-primary);
}

.header-search .btn-icon {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ==========================================
   Buttons
   ========================================== */

.btn-primary {
    background: var(--orange-primary);
    color: white;
    padding: 0.625rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-primary:hover {
    background: var(--orange-hover);
}

.btn-primary:active {
    background: var(--orange-active);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 0.625rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-secondary:hover {
    background: #3a3a4e;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

/* ==========================================
   Landing Page
   ========================================== */

.landing-page {
    padding: var(--spacing-2xl) 0;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
}

.hero {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.hero-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.hero-icon a {
    display: flex;
    align-items: center;
    transition: opacity var(--transition-base);
}

.hero-icon a:hover {
    opacity: 0.8;
}

.hero-logo {
    height: 120px;
    width: auto;
    display: block;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 0;
    color: #f57e03;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.hero-subtitle strong {
    color: var(--orange-primary);
    font-size: 1.25em;
    font-weight: 700;
}

/* ==========================================
   Search Section
   ========================================== */

.search-section {
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

.search-container {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.search-input {
    width: 100%;
    padding: 1rem 6.5rem 1rem 1.5rem;
    background: var(--bg-secondary);
    border: 2px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: border-color var(--transition-base);
}

.search-input:focus {
    border-color: var(--orange-primary);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-btn {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: var(--orange-primary);
    border: none;
    color: white;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-base);
}

.search-btn:hover {
    background: var(--orange-hover);
}

.vt-btn {
    position: absolute;
    right: 3.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: #252F4A;
    border: 2px solid #3A4766;
    color: #8B9FDE;
    padding: 0.625rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.05em;
    transition: all var(--transition-base);
    width: 2.75rem;
    height: 2.75rem;
}

.vt-btn:hover {
    background: #2E3B5C;
    color: #A5B5E8;
    border-color: #4A5A7F;
    transform: translateY(-50%) scale(1.05);
}

.type-indicator {
    text-align: center;
    padding: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.type-indicator.hidden {
    display: none;
}

.search-hints {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.hint-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.hint-list {
    list-style: none;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.hint-list li {
    padding: var(--spacing-xs) 0;
}

.hint-list strong {
    color: var(--text-secondary);
}

/* ==========================================
   Info Banner
   ========================================== */

.info-banner {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   Utility Classes
   ========================================== */

.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-muted);
}

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