/* Light Professional Color Scheme */
:root {
    /* Primary Colors - Soft Blues */
    --primary-50: #f0f9ff;
    --primary-100: #e0f2fe;
    --primary-200: #bae6fd;
    --primary-300: #7dd3fc;
    --primary-400: #38bdf8;
    --primary-500: #0ea5e9;
    --primary-600: #0284c7;
    --primary-700: #0369a1;
    --primary-800: #075985;
    --primary-900: #0c4a6e;
    
    /* Neutral Grays - Light */
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;
    
    /* Accent Colors */
    --accent-green: #10b981;
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-amber: #f59e0b;
}

/* Body Background */
body {
    background: #f8fafc;
    color: var(--neutral-700);
}

/* Header */
.professional-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--neutral-200);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header-logo .logo-text {
    color: var(--primary-600);
}

.nav-link {
    color: var(--neutral-600);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-600);
}

.view-plans-btn {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
}

.view-plans-btn:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
}

.my-esim-btn {
    background: var(--neutral-100);
    color: var(--neutral-700);
    border: 1px solid var(--neutral-200);
}

.my-esim-btn:hover {
    background: var(--neutral-200);
}

/* Language & Currency Selectors */
.language-select,
.currency-select {
    background: var(--neutral-50);
    border: 1px solid var(--neutral-200);
    color: var(--neutral-700);
}

.language-select:hover,
.currency-select:hover {
    border-color: var(--primary-400);
}

/* eSIM Products Container */
.esim-products-container {
    background: white;
    border-radius: 0;
    box-shadow: none;
    margin: 0;
    max-width: 100%;
    padding: 32px 5%;
}

/* Compatibility Banner */
.compatibility-banner {
    background: linear-gradient(135deg, var(--primary-50), var(--neutral-50));
    border: 1px solid var(--primary-200);
    border-radius: 12px;
    padding: 20px 24px;
    margin-bottom: 32px;
}

.compatibility-banner-title {
    color: var(--primary-700);
}

.compatibility-banner-text {
    color: var(--neutral-600);
}

.compatibility-banner-link {
    background: var(--primary-500);
    color: white;
    border-radius: 8px;
    padding: 8px 16px;
    text-decoration: none;
}

.compatibility-banner-link:hover {
    background: var(--primary-600);
}

/* Search Container */
.esim-search-container {
    position: relative;
    margin-bottom: 32px;
}

.esim-search-input {
    background: white !important;
    border: 2px solid var(--neutral-300) !important;
    color: var(--neutral-900) !important;
    border-radius: 12px;
    padding: 16px 50px 16px 20px;
    font-size: 16px;
    font-weight: 500;
    width: 100%;
    transition: all 0.2s;
}

.esim-search-input:focus {
    background: white !important;
    border-color: var(--primary-500) !important;
    color: var(--neutral-900) !important;
    outline: none;
    box-shadow: 0 0 0 3px var(--primary-100) !important;
}

.esim-search-input::placeholder {
    color: var(--neutral-400) !important;
}

.esim-search-icon {
    color: var(--neutral-400) !important;
}

/* Region Sections */
.esim-region-section {
    margin-bottom: 32px;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--neutral-200);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.esim-region-header {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700)) !important;
    border-bottom: none !important;
    padding: 20px 24px;
    cursor: pointer;
    transition: all 0.2s;
}

.esim-region-header:hover {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800)) !important;
}

.esim-region-name {
    color: white !important;
    font-size: 22px;
    font-weight: 700;
}

.esim-region-count {
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: 14px;
    font-weight: 500;
}

.esim-region-toggle {
    color: white !important;
}

/* Country Cards */
.esim-country-card {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%) !important;
    border: 2px solid var(--primary-200) !important;
    border-radius: 12px;
    padding: 20px;
    transition: all 0.2s;
}

.esim-country-card:hover {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%) !important;
    border-color: var(--primary-400) !important;
    box-shadow: 0 8px 16px rgba(14, 165, 233, 0.2) !important;
    transform: translateY(-2px);
}

.esim-country-header {
    background: transparent !important;
    border-bottom: 2px solid var(--primary-300) !important;
    padding-bottom: 12px;
    margin-bottom: 16px;
}

.esim-country-name {
    color: var(--neutral-900) !important;
    font-size: 18px;
    font-weight: 700;
}

.esim-country-plan-count {
    color: var(--neutral-600) !important;
    font-size: 13px;
    font-weight: 500;
}

/* SELECT PLAN Label */
.esim-country-card p {
    color: var(--neutral-700) !important;
    font-weight: 600;
}

/* Plan Selector */
.plan-selector {
    background: white !important;
    border: 2px solid var(--primary-300) !important;
    color: var(--neutral-800) !important;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.plan-selector:hover {
    border-color: var(--primary-500) !important;
    background: var(--primary-50) !important;
}

.plan-selector:focus {
    border-color: var(--primary-600) !important;
    outline: none;
    box-shadow: 0 0 0 3px var(--primary-100) !important;
}

.plan-selector option {
    background: white !important;
    color: var(--neutral-800) !important;
}

/* Plan Details Box (after selecting a plan) */
.esim-plan-details {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%) !important;
    border: 2px solid var(--primary-300) !important;
    padding: 20px !important;
    border-radius: 12px !important;
    margin-top: 16px !important;
}

.esim-detail-row {
    border-bottom: 1px solid rgba(14, 165, 233, 0.2) !important;
}

.esim-detail-label {
    color: var(--neutral-700) !important;
    font-weight: 600 !important;
}

.esim-detail-value {
    color: var(--neutral-900) !important;
    font-weight: 700 !important;
}

.esim-price {
    color: var(--primary-600) !important;
    text-shadow: none !important;
}

/* Buy Button */
.esim-buy-button {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600)) !important;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.esim-buy-button:hover {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700)) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.esim-buy-button:active {
    transform: translateY(0);
}

.esim-buy-button:disabled {
    background: var(--neutral-300);
    cursor: not-allowed;
    transform: none;
}

/* Price Display */
.esim-country-card strong {
    color: var(--primary-600);
}

/* Loading State */
.esim-loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--neutral-500);
}

.esim-spinner {
    border: 3px solid var(--neutral-200);
    border-top: 3px solid var(--primary-500);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 3px;
    background: var(--neutral-600);
    border-radius: 2px;
    transition: all 0.3s;
}

/* Tablet/iPad (portrait and landscape) */
@media (max-width: 1024px) {
    .esim-products-container {
        padding: 24px 3%;
    }
    
    .esim-region-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
    }
    
    .esim-country-card {
        padding: 16px;
    }
    
    .header-actions {
        gap: 8px;
    }
    
    .view-plans-btn span:last-child {
        display: none;
    }
}

/* Mobile phones */
@media (max-width: 768px) {
    /* Header becomes hamburger */
    .mobile-menu-btn {
        display: flex;
    }
    
    .header-nav {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        background: white;
        border: 1px solid var(--neutral-200);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        padding: 16px;
        transition: left 0.3s ease;
        z-index: 1000;
    }
    
    .header-nav.active {
        left: 0;
    }
    
    .header-nav a {
        display: block;
        padding: 12px 16px;
        border-bottom: 1px solid var(--neutral-200);
    }
    
    .header-nav a:last-child {
        border-bottom: none;
    }
    
    /* Hide desktop actions on mobile */
    .header-actions > *:not(.mobile-menu-btn) {
        display: none;
    }
    
    /* Single column layout for countries */
    .esim-region-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
    }
    
    .esim-products-container {
        padding: 16px;
    }
    
    .esim-region-header {
        padding: 16px;
    }
    
    .esim-region-name {
        font-size: 18px;
    }
    
    .esim-country-card {
        padding: 16px;
    }
    
    .esim-country-name {
        font-size: 16px;
    }
    
    .plan-selector {
        font-size: 14px;
        padding: 10px 12px;
    }
    
    .esim-buy-button {
        padding: 10px 20px;
        font-size: 14px;
        width: 100%;
    }
    
    .compatibility-banner {
        flex-direction: column;
        gap: 12px;
        padding: 16px;
    }
    
    .compatibility-banner-link {
        width: 100%;
        text-align: center;
    }
    
    .esim-search-input {
        font-size: 14px;
        padding: 12px 16px;
    }
}

/* Small phones */
@media (max-width: 480px) {
    .header-logo .logo-text {
        font-size: 16px;
    }
    
    .esim-region-name {
        font-size: 16px;
    }
    
    .esim-country-card {
        padding: 12px;
    }
    
    .esim-products-container {
        padding: 12px 8px;
    }
}

/* WhatsApp Button */
.whatsapp-btn {
    background: linear-gradient(135deg, var(--accent-green), #059669);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.whatsapp-tooltip {
    background: var(--neutral-800);
    color: white;
}