/**
 * Google AdSense Revenue Calculator - Complete Stylesheet
 * Modern SaaS-style design with dark/light mode support
 * Version: 1.0.0
 * WordPress & Hostinger Compatible
 */

/* ============================================
   CSS CUSTOM PROPERTIES (THEME VARIABLES)
   ============================================ */
:root {
    /* Light Mode Colors */
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --bg-gradient-start: #667eea;
    --bg-gradient-end: #764ba2;
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --text-light: #a0aec0;
    --border-color: #e2e8f0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 8px 20px rgba(102, 126, 234, 0.3);
    --accent-color: #667eea;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --error-color: #f56565;
    --info-color: #4299e1;
    --card-bg: #ffffff;
    --input-bg: #ffffff;
    --input-border: #e2e8f0;
    --input-focus: #667eea;
    --table-header-bg: #f7fafc;
    --table-border: #e2e8f0;
    --tab-active-bg: #667eea;
    --tab-inactive-bg: #edf2f7;
}

/* Dark Mode Colors */
[data-theme="dark"] {
    --bg-primary: #1a202c;
    --bg-secondary: #2d3748;
    --text-primary: #f7fafc;
    --text-secondary: #cbd5e0;
    --text-light: #a0aec0;
    --border-color: #4a5568;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 8px 20px rgba(102, 126, 234, 0.5);
    --card-bg: #2d3748;
    --input-bg: #1a202c;
    --input-border: #4a5568;
    --table-header-bg: #1a202c;
    --table-border: #4a5568;
    --tab-active-bg: #667eea;
    --tab-inactive-bg: #1a202c;
}

/* ============================================
   GLOBAL STYLES & RESET
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.adsense-calc-wrapper,
.adsense-calc-container {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.adsense-calc-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

.adsense-calc-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* ============================================
   HEADER & SUITE HEADER
   ============================================ */
.calc-suite-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px 20px;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    border-radius: 20px;
    color: #ffffff;
    box-shadow: var(--shadow-lg);
}

.calc-suite-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.calc-suite-header h1 i {
    margin-right: 15px;
}

.suite-description {
    font-size: 1.1rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   CALCULATOR CARD
   ============================================ */
.calc-card {
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.calc-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.calc-header {
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    color: #ffffff;
    padding: 30px;
    text-align: center;
}

.calc-header i {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
    opacity: 0.95;
}

.calc-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.calc-description {
    font-size: 1rem;
    opacity: 0.9;
    margin: 0;
}

.calc-body {
    padding: 30px;
}

/* ============================================
   INPUT GROUPS & FORM ELEMENTS
   ============================================ */
.input-group {
    margin-bottom: 25px;
}

.input-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 10px;
}

.input-group label {
    display: block;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.input-group label i {
    margin-right: 8px;
    color: var(--accent-color);
}

.calc-input,
.calc-select {
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid var(--input-border);
    border-radius: 10px;
    background: var(--input-bg);
    color: var(--text-primary);
    transition: all 0.3s ease;
    outline: none;
}

.calc-input:focus,
.calc-select:focus {
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.calc-input::placeholder {
    color: var(--text-light);
}

.input-hint {
    display: block;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 6px;
    font-style: italic;
}

/* ============================================
   BUTTONS
   ============================================ */
.calc-button,
.calc-button-secondary {
    width: 100%;
    padding: 16px 28px;
    font-size: 1.05rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 12px;
    font-family: inherit;
}

.calc-button {
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    color: #ffffff;
    box-shadow: var(--shadow-sm);
}

.calc-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    opacity: 0.95;
}

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

.calc-button-secondary {
    background: var(--tab-inactive-bg);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.calc-button-secondary:hover {
    background: var(--input-border);
    transform: translateY(-2px);
}

/* ============================================
   RESULTS SECTION
   ============================================ */
.calc-results {
    margin-top: 30px;
    padding: 30px;
    background: var(--bg-primary);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.calc-results h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.calc-results h3 i {
    color: var(--accent-color);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.result-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.result-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.result-card.highlight {
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    border: none;
    color: #ffffff;
}

.result-card.highlight .result-label,
.result-card.highlight .result-value {
    color: #ffffff;
}

.result-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-color);
    line-height: 1.2;
    animation: countUp 0.8s ease;
}

.result-card.highlight .result-value {
    color: #ffffff;
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ============================================
   BREAKDOWN & INFO SECTIONS
   ============================================ */
.earnings-breakdown {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid var(--accent-color);
    margin-top: 25px;
}

.earnings-breakdown h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.earnings-breakdown ul {
    list-style: none;
    padding: 0;
}

.earnings-breakdown li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.earnings-breakdown li:last-child {
    border-bottom: none;
}

.earnings-breakdown strong {
    color: var(--accent-color);
    font-weight: 600;
}

/* ============================================
   TABLES
   ============================================ */
.scenario-table table,
.country-rpm-table table,
.projection-table table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.scenario-table thead,
.country-rpm-table thead,
.projection-table thead {
    background: var(--table-header-bg);
}

.scenario-table th,
.country-rpm-table th,
.projection-table th {
    padding: 16px;
    text-align: left;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.scenario-table td,
.country-rpm-table td,
.projection-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.scenario-table tbody tr:hover,
.country-rpm-table tbody tr:hover,
.projection-table tbody tr:hover {
    background: var(--bg-primary);
}

.scenario-table tbody tr:last-child td,
.country-rpm-table tbody tr:last-child td,
.projection-table tbody tr:last-child td {
    border-bottom: none;
}

/* Scenario row colors */
.scenario-low {
    border-left: 4px solid var(--warning-color);
}

.scenario-medium {
    border-left: 4px solid var(--info-color);
}

.scenario-high {
    border-left: 4px solid var(--success-color);
}

/* Tier badges */
.tier-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tier-1-badge {
    background: #48bb78;
    color: #ffffff;
}

.tier-2-badge {
    background: #4299e1;
    color: #ffffff;
}

.tier-3-badge {
    background: #ed8936;
    color: #ffffff;
}

/* Country table tiers */
.tier-1 {
    background: rgba(72, 187, 120, 0.05);
}

.tier-2 {
    background: rgba(66, 153, 225, 0.05);
}

.tier-3 {
    background: rgba(237, 137, 54, 0.05);
}

/* ============================================
   TABS SYSTEM
   ============================================ */
.calc-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.calc-tab {
    flex: 1;
    min-width: 150px;
    padding: 14px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--tab-inactive-bg);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
}

.calc-tab:hover {
    background: var(--input-border);
    transform: translateY(-2px);
}

.calc-tab.active {
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    color: #ffffff;
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

.calc-tab i {
    font-size: 1rem;
}

.calc-tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.calc-tab-content.active {
    display: block;
}

/* ============================================
   CHART CONTAINER
   ============================================ */
.chart-container {
    position: relative;
    width: 100%;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    margin: 20px 0;
}

/* ============================================
   DARK MODE TOGGLE
   ============================================ */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    border: none;
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
}

.theme-toggle:active {
    transform: scale(0.95);
}

/* ============================================
   AD PLACEHOLDER STYLES (AdSense Friendly)
   ============================================ */
.ad-placeholder {
    background: var(--table-header-bg);
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 30px 0;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-placeholder-header {
    min-height: 90px;
    margin-bottom: 30px;
}

.ad-placeholder-sidebar {
    min-height: 250px;
    margin: 20px 0;
}

.ad-placeholder-footer {
    min-height: 90px;
    margin-top: 30px;
}

/* ============================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ============================================ */

/* Small devices (phones, less than 576px) */
@media (max-width: 575.98px) {
    .calc-suite-header h1 {
        font-size: 1.8rem;
    }
    
    .suite-description {
        font-size: 0.95rem;
    }
    
    .calc-header h2 {
        font-size: 1.4rem;
    }
    
    .calc-header i {
        font-size: 2rem;
    }
    
    .calc-body {
        padding: 20px;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .result-value {
        font-size: 1.6rem;
    }
    
    .calc-tabs {
        flex-direction: column;
    }
    
    .calc-tab {
        width: 100%;
        min-width: 100%;
    }
    
    .input-row {
        grid-template-columns: 1fr;
    }
    
    .scenario-table,
    .country-rpm-table,
    .projection-table {
        overflow-x: auto;
        display: block;
    }
    
    .scenario-table table,
    .country-rpm-table table,
    .projection-table table {
        min-width: 600px;
    }
    
    .theme-toggle {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        top: 10px;
        right: 10px;
    }
}

/* Medium devices (tablets, 576px and up) */
@media (min-width: 576px) and (max-width: 767.98px) {
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .calc-tabs {
        gap: 8px;
    }
    
    .calc-tab {
        font-size: 0.85rem;
        padding: 12px 16px;
    }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
    .adsense-calc-container {
        padding: 40px;
    }
    
    .adsense-calc-wrapper {
        padding: 50px 40px;
    }
    
    .calc-suite-header {
        padding: 60px 40px;
    }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .calc-suite-header h1 {
        font-size: 3rem;
    }
    
    .results-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   TOUCH-FRIENDLY ADJUSTMENTS
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    .calc-button,
    .calc-button-secondary,
    .calc-tab {
        min-height: 44px;
        padding: 16px 24px;
    }
    
    .calc-input,
    .calc-select {
        min-height: 44px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .theme-toggle,
    .calc-tabs,
    .calc-button,
    .calc-button-secondary,
    .ad-placeholder {
        display: none !important;
    }
    
    .calc-card {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .calc-results {
        page-break-inside: avoid;
    }
}

/* ============================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================ */
.calc-button:focus,
.calc-button-secondary:focus,
.calc-tab:focus,
.calc-input:focus,
.theme-toggle:focus {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

/* Reduced motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .calc-card,
    .calc-input,
    .result-card {
        border-width: 3px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.mt-10 {
    margin-top: 10px;
}

.mt-20 {
    margin-top: 20px;
}

.mt-30 {
    margin-top: 30px;
}

.mb-10 {
    margin-bottom: 10px;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-30 {
    margin-bottom: 30px;
}

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* ============================================
   LOADING SPINNER
   ============================================ */
.calc-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   FAQ SECTION STYLES
   ============================================ */
.faq-section {
    margin-top: 40px;
    padding: 30px;
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.faq-section h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.faq-item {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   WORDPRESS SPECIFIC FIXES
   ============================================ */
.adsense-calc-wrapper .calc-button,
.adsense-calc-container .calc-button,
.adsense-calc-wrapper .calc-button-secondary,
.adsense-calc-container .calc-button-secondary {
    text-decoration: none !important;
}

.adsense-calc-wrapper a,
.adsense-calc-container a {
    text-decoration: none;
}

/* Override WordPress default styles */
.adsense-calc-wrapper input[type="number"],
.adsense-calc-container input[type="number"] {
    -moz-appearance: textfield;
}

.adsense-calc-wrapper input[type="number"]::-webkit-outer-spin-button,
.adsense-calc-wrapper input[type="number"]::-webkit-inner-spin-button,
.adsense-calc-container input[type="number"]::-webkit-outer-spin-button,
.adsense-calc-container input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Ensure proper box-sizing in WordPress */
.adsense-calc-wrapper *,
.adsense-calc-wrapper *::before,
.adsense-calc-wrapper *::after,
.adsense-calc-container *,
.adsense-calc-container *::before,
.adsense-calc-container *::after {
    box-sizing: border-box;
}