/* ================================================================
   Header Component CSS - Single Source of Truth
   ================================================================
   
   This file contains ALL header-related styling to ensure
   consistent behavior across all pages and prevent CSS conflicts.
   
   Architecture:
   - Component-based isolation
   - CSS custom properties for theming
   - No external dependencies
   - Mobile-first responsive design
   ================================================================ */

/* ================================================================
   Clean Browser Reset - No Active States
   ================================================================ */

.header-component * {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    box-sizing: border-box;
}

.header-component a,
.header-component button {
    outline: none;
    text-decoration: none;
}

/* CSS Custom Properties for Theming */
:root {
    /* Header-specific variables */
    --header-height: 84px;
    --header-bg: #ffffff;
    --header-border: #e5e7eb;
    --header-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    
    /* Logo variables */
    --logo-height: 60px;
    --logo-height-mobile: 40px;
    
    /* Navigation variables */
    --nav-text: #6b7280;
    --nav-text-hover: #3b82f6;
    --nav-text-active: #1d4ed8;
    
    /* Auth button variables */
    --auth-gap: 12px;
    --auth-padding: 8px 16px;
    --auth-radius: 6px;
    --auth-transition: all 0.2s ease;
    
    /* Register button (Primary CTA) */
    --register-bg: #000000;
    --register-bg-hover: #1f2937;
    --register-text: #ffffff;
    --register-border: #000000;
    --register-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.15);
    
    /* Login button (Secondary) */
    --login-bg: transparent;
    --login-bg-hover: #f9fafb;
    --login-text: #374151;
    --login-text-hover: #1f2937;
    --login-border: #d1d5db;
    --login-border-hover: #9ca3af;
    
    /* Wallet button */
    --wallet-bg: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --wallet-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
    --wallet-shadow-hover: 0 4px 12px rgba(16, 185, 129, 0.4);
    
    /* Focus states */
    --focus-outline: 2px solid #3b82f6;
    --focus-offset: 2px;
    
    /* Mobile breakpoints */
    --mobile-sm: 480px;
    --mobile-md: 640px;
    --tablet: 768px;
}

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

.header-component {
    background: var(--header-bg);
    padding: 12px 0;
    border-bottom: 1px solid var(--header-border);
    box-shadow: var(--header-shadow);
    position: relative;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    min-height: var(--header-height);
}

/* ================================================================
   Logo Section
   ================================================================ */

.header-left {
    display: flex;
    align-items: center;
    gap: 40px;
    flex: 1;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    flex-shrink: 0;
}

.logo-img {
    width: auto;
    height: var(--logo-height);
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-title {
    font-size: 18px;
    font-weight: 700;
    color: #1e3a8a;
    margin: 0;
    line-height: 1.1;
    letter-spacing: -0.025em;
}

.logo-subtitle {
    font-size: 10px;
    color: var(--nav-text);
    margin: 0;
    line-height: 1.2;
    font-weight: 500;
    letter-spacing: 0.05em;
}

/* ================================================================
   Navigation
   ================================================================ */

.header-nav {
    display: flex;
    gap: 32px;
    align-items: center;
}

.header-component .nav-link {
    color: var(--nav-text) !important;
    font-weight: 400 !important;
    font-size: 16px !important;
    padding: 8px 0;
    background: transparent !important;
    border: none !important;
    font-family: 'Inter', Arial, sans-serif !important;
    position: relative;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
    text-rendering: optimizeLegibility !important;
}

/* Extra specificity to override any conflicting CSS */
.header-component.theme-professional .nav-link,
.pricing-page .header-component .nav-link,
.agent-page .header-component .nav-link {
    font-family: 'Inter', Arial, sans-serif !important;
    font-weight: 400 !important;
}

/* Active page indicator - thin line under nav text */
.header-component .nav-link.active {
    position: relative;
}

.header-component .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--nav-text-hover);
    border-radius: 1px;
}

.header-component .nav-link:hover,
.header-component .nav-link:active,
.header-component .nav-link:focus,
.header-component .nav-link:visited {
    color: var(--nav-text) !important;
    background: transparent !important;
    font-weight: 400 !important;
    border: none !important;
    box-shadow: none !important;
    font-family: 'Inter', Arial, sans-serif !important;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
}

/* ================================================================
   User Info Section
   ================================================================ */

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.user-welcome {
    color: #374151;
    font-weight: 500;
    margin: 0;
    white-space: nowrap;
}

/* ================================================================
   Wallet Balance Button
   ================================================================ */

.balance {
    background: var(--wallet-bg);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: var(--wallet-shadow);
    text-decoration: none;
    display: inline-block;
    transition: var(--auth-transition);
    white-space: nowrap;
}

.balance:hover {
    box-shadow: var(--wallet-shadow-hover);
    color: white;
}

/* ================================================================
   Authentication Links (Login/Register)
   ================================================================ */

.auth-links {
    display: flex;
    gap: var(--auth-gap);
    align-items: center;
}

/* Base auth button styles */
.header-component .auth-links a {
    text-decoration: none;
    font-weight: 500;
    padding: var(--auth-padding);
    border-radius: var(--auth-radius);
    transition: var(--auth-transition);
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    box-sizing: border-box;
    background-clip: padding-box;
}

/* Register Button - Primary CTA */
.header-component .auth-links a[href*="register"] {
    background: var(--register-bg);
    color: var(--register-text);
    font-weight: 600;
    border: 1px solid var(--register-border);
}

.header-component .auth-links a[href*="register"]:hover {
    background: var(--register-bg-hover);
    color: var(--register-text);
    border-color: var(--register-bg-hover);
    box-shadow: var(--register-shadow-hover);
}

/* Login Button - Secondary Action */
.header-component .auth-links a[href*="login"] {
    background: var(--login-bg);
    color: var(--login-text);
    border: 1px solid var(--login-border);
}

.header-component .auth-links a[href*="login"]:hover {
    background: var(--login-bg-hover);
    color: var(--login-text-hover);
    border-color: var(--login-border-hover);
}

/* Focus states for accessibility */
.header-component .auth-links a:focus {
    outline: var(--focus-outline);
    outline-offset: var(--focus-offset);
}

/* No active state styling - user requested complete removal */

/* Logout button styling */
.header-component .auth-links a[href*="logout"] {
    color: #ef4444;
    background: transparent;
    border: 1px solid transparent;
}

.header-component .auth-links a[href*="logout"]:hover {
    color: #dc2626;
    background: rgba(239, 68, 68, 0.05);
    border-color: transparent;
}

/* ================================================================
   Mobile Navigation Toggle
   ================================================================ */

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--nav-text);
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
    transition: var(--auth-transition);
}

.mobile-nav-toggle:hover {
    color: var(--nav-text-hover);
}

/* ================================================================
   Responsive Design
   ================================================================ */

/* Tablet */
@media (max-width: 768px) {
    .header-container {
        padding: 0 16px;
    }
    
    .header-left {
        justify-content: space-between;
        gap: 16px;
    }
    
    .logo-section {
        flex-shrink: 0;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    .header-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--header-bg);
        flex-direction: column;
        gap: 8px;
        padding: 16px 24px;
        border-top: 1px solid var(--header-border);
        box-shadow: var(--header-shadow);
        z-index: 1000;
    }
    
    .header-nav.mobile-open {
        display: flex;
    }
    
    .nav-link {
        padding: 12px 16px;
        text-align: center;
        border-radius: var(--auth-radius);
        background: rgba(59, 130, 246, 0.05);
        margin: 2px 0;
    }
    
    .user-info {
        justify-content: center;
        gap: 12px;
        width: 100%;
    }
    
    .user-welcome {
        font-size: 14px;
    }
    
    .balance {
        font-size: 13px;
        padding: 6px 12px;
    }
    
    .auth-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }
    
    .auth-links a {
        padding: 8px 14px;
        font-size: 14px;
    }
}

/* Mobile Small */
@media (max-width: 480px) {
    .header-container {
        padding: 0 12px;
        gap: 12px;
    }
    
    .header-left {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .logo-img {
        height: var(--logo-height-mobile);
    }
    
    .logo-title {
        font-size: 16px;
    }
    
    .user-info {
        flex-direction: column;
        gap: 8px;
        align-items: center;
    }
    
    .user-welcome {
        font-size: 13px;
        text-align: center;
    }
    
    .balance {
        font-size: 12px;
        padding: 5px 10px;
        border-radius: 16px;
    }
    
    .auth-links {
        gap: 6px;
        flex-direction: row;
    }
    
    .auth-links a {
        padding: 6px 12px;
        font-size: 13px;
        min-width: 70px;
        text-align: center;
    }
}

/* ================================================================
   Theme Variants
   ================================================================ */

/* Professional Theme (Default) */
.header-component.theme-professional {
    /* Uses default CSS custom properties */
}

/* Dark Theme */
.header-component.theme-dark {
    --header-bg: #1f2937;
    --header-border: #374151;
    --nav-text: #d1d5db;
    --nav-text-hover: #60a5fa;
    --nav-text-active: #3b82f6;
    --register-bg: #ffffff;
    --register-bg-hover: #f3f4f6;
    --register-text: #000000;
    --register-border: #ffffff;
    --login-bg: transparent;
    --login-bg-hover: #374151;
    --login-text: #d1d5db;
    --login-text-hover: #ffffff;
    --login-border: #4b5563;
    --login-border-hover: #6b7280;
}

/* ================================================================
   Clean Component Architecture
   ================================================================ */

/* Clean component isolation without hacks */
.header-component * {
    box-sizing: border-box;
}

.header-component .auth-links a {
    font-family: inherit;
    line-height: 1.5;
    text-transform: none;
    letter-spacing: normal;
    text-shadow: none;
    vertical-align: baseline;
}