/*
Theme Name: Many Percent Calculator
Theme URI: https://manypercentcalculator.com
Author: AntiGravity
Author URI: https://manypercentcalculator.com
Description: A premium custom theme for ManyPercentCalculator with a highly polished, modern UI designed for calculation tools and Google Ads monetization.
Version: 1.1.0
License: GNU General Public License v2 or later
Text Domain: manypercentcalculator
*/

:root {
  /* Premium Colors */
  --color-bg-base: #f0f2f5;
  --color-bg-gradient: linear-gradient(135deg, #f0f2f5 0%, #f9fafb 100%);
  --color-bg-card: rgba(255, 255, 255, 0.95);
  --color-bg-dark-card: #15131f; /* Deeper, richer dark */
  --color-bg-dark-card-inner: rgba(255,255,255,0.03);
  
  --color-text-main: #0f172a;
  --color-text-muted: #64748b;
  --color-text-light: #ffffff;
  --color-text-accent: #c4b5fd;
  
  --color-primary: #4f46e5; /* Deeper indigo */
  --color-primary-hover: #4338ca;
  --color-border: rgba(226, 232, 240, 0.8);
  --color-border-dark: rgba(255, 255, 255, 0.1);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Layout */
  --container-width: 1280px; /* Slightly wider */
  --border-radius-xl: 24px;
  --border-radius-lg: 16px;
  --border-radius-md: 10px;
  --border-radius-sm: 6px;
  
  /* Premium Shadows & Glows */
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.04), 0 1px 2px -1px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
  --shadow-dark-glow: 0 20px 40px rgba(79, 70, 229, 0.15), inset 0 1px 0 rgba(255,255,255,0.05);
  
  /* Transitions */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Basics */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg-gradient);
  background-attachment: fixed;
  color: var(--color-text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
  color: var(--color-primary-hover);
}

img {
  max-width: 100%;
  height: auto;
}

/* Layout */
.site-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Premium Header */
.site-header {
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 24px 0;
  position: sticky;
  top: 0;
  z-index: 50;
  transition: var(--transition-smooth);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, var(--color-text-main), var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Main Navigation */
.main-navigation ul {
  list-style: none;
  display: flex;
  gap: 32px;
}

.main-navigation a {
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 0;
  position: relative;
}

.main-navigation a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-smooth);
}

.main-navigation a:hover {
  color: var(--color-text-main);
}

.main-navigation a:hover::after {
  width: 100%;
}

/* Page Layouts */
.content-area {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  padding-top: 40px;
  padding-bottom: 80px;
}

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

.sidebar {
  width: 340px;
  flex-shrink: 0;
}

/* Premium Cards */
.card {
  background-color: var(--color-bg-card);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
  padding: 40px;
  margin-bottom: 40px;
  border: 1px solid var(--color-border);
  transition: var(--transition-smooth);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* --- CALCULATOR COMPONENTS (For Code Snippet Injection) --- */
/* Ensure the Gutenberg blocks handle these correctly */
.wp-block-html .calculator-container,
.calculator-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background-color: var(--color-bg-card);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 48px;
  border: 1px solid var(--color-border);
  margin: 40px 0;
}

@media (max-width: 960px) {
  .calculator-container {
    grid-template-columns: 1fr;
    padding: 32px;
  }
}

.calc-input-panel {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.calc-top-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.calc-stepper {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.stepper-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  background: white;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.stepper-btn {
  background: none;
  border: none;
  padding: 8px 12px;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: var(--transition-smooth);
  font-size: 1rem;
}

.stepper-btn:hover {
  background: var(--color-bg-base);
  color: var(--color-text-main);
}

.stepper-val {
  padding: 8px 12px;
  font-weight: 600;
  min-width: 40px;
  text-align: center;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

.calc-actions-right {
  display: flex;
  gap: 16px;
}

.btn-outline {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 10px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text-main);
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-sm);
}

.btn-outline.primary {
  color: var(--color-primary);
  border-color: rgba(79, 70, 229, 0.4);
  background: rgba(79, 70, 229, 0.02);
}

.btn-outline:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline.primary:hover {
  background: rgba(79, 70, 229, 0.08);
  border-color: var(--color-primary);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-group label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-main);
  letter-spacing: -0.01em;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.form-control {
  width: 100%;
  padding: 16px 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-md);
  font-size: 1.25rem;
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background: white;
  transition: var(--transition-smooth);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15);
}

.input-suffix {
  position: absolute;
  right: 16px;
  background-color: var(--color-primary);
  color: white;
  padding: 6px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

/* Premium Dark Result Panel */
.calc-result-panel {
  background-color: var(--color-bg-dark-card);
  background-image: radial-gradient(circle at top right, rgba(79, 70, 229, 0.2), transparent 60%);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  color: var(--color-text-light);
  box-shadow: var(--shadow-dark-glow);
  border: 1px solid rgba(255,255,255,0.08);
  position: relative;
  overflow: hidden;
}

.result-section {
  margin-bottom: 40px;
  position: relative;
  z-index: 1;
}

.result-section:last-child {
  margin-bottom: 0;
}

.result-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #94a3b8;
  margin-bottom: 16px;
  font-weight: 700;
}

.result-value-large {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 12px;
  word-break: break-all;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 12px;
  background: linear-gradient(to right, #ffffff, #e2e8f0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.result-notation {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  color: #cbd5e1;
  font-size: 1rem;
  margin-bottom: 20px;
}

.result-sentence {
  font-size: 1.05rem;
  color: #94a3b8;
  line-height: 1.6;
}

.formula-display {
  background-color: var(--color-bg-dark-card-inner);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--border-radius-md);
  padding: 28px;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 16px;
  backdrop-filter: blur(4px);
}

.formula-fraction {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  vertical-align: middle;
}

.fraction-top {
  border-bottom: 2px solid var(--color-text-light);
  padding: 0 8px 4px;
}

.fraction-bottom {
  padding: 4px 8px 0;
}

.formula-accent {
  color: var(--color-text-accent);
  font-weight: 700;
  text-shadow: 0 2px 10px rgba(196, 181, 253, 0.3);
}

.calculation-steps {
  background-color: var(--color-bg-dark-card-inner);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--border-radius-md);
  padding: 24px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.95rem;
  color: #94a3b8;
  line-height: 2;
  border-left: 3px solid var(--color-text-accent);
}

.step-final {
  color: var(--color-text-light);
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
  text-underline-offset: 4px;
}

/* Premium Ad Spaces */
.ad-container {
  background-color: rgba(241, 245, 249, 0.7);
  border: 1px solid rgba(203, 213, 225, 0.5);
  border-radius: var(--border-radius-md);
  text-align: center;
  color: #94a3b8;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin: 40px 0;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

.ad-container::before {
  content: 'Advertisement';
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.ad-leaderboard {
  width: 100%;
  min-height: 90px;
  max-width: 728px;
  margin: 20px auto;
}

.ad-medium-rectangle {
  width: 300px;
  height: 250px;
  margin: 20px auto;
}

.ad-skyscraper {
  width: 300px;
  min-height: 600px;
  margin: 20px auto;
}

/* Blog Posts & Typography */
.post-header {
  margin-bottom: 32px;
}

.post-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.post-title a {
  color: var(--color-text-main);
}

.post-title a:hover {
  color: var(--color-primary);
}

.post-meta {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}

.post-content {
  font-size: 1.125rem;
  color: #334155;
}

.post-content h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin-top: 48px;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.post-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 20px;
}

.post-content p {
  margin-bottom: 24px;
}

/* Gutenberg Block Alignments */
.alignwide {
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  max-width: 100vw;
  width: 100vw;
}

.alignfull {
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  max-width: 100vw;
  width: 100vw;
}

@media (min-width: 1280px) {
  .alignwide {
    margin-left: -100px;
    margin-right: -100px;
    max-width: calc(100% + 200px);
    width: auto;
  }
}

/* Premium Footer */
.site-footer {
  background-color: white;
  border-top: 1px solid var(--color-border);
  padding: 60px 0 40px;
  margin-top: 80px;
  text-align: center;
}

.footer-navigation ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-navigation a {
  color: var(--color-text-muted);
  font-weight: 500;
}

.footer-navigation a:hover {
  color: var(--color-primary);
}

.site-info {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Responsiveness */
@media (max-width: 768px) {
  .content-area {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
  }
  
  .post-title {
    font-size: 2rem;
  }
}

/* --- NEW HEADER MODULAR DESIGN --- */
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.site-branding {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-branding img, .custom-logo {
  max-height: 60px;
  width: auto;
}

.logo-fallback {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-fallback svg {
  width: 40px;
  height: 40px;
}

.main-navigation {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

.main-navigation ul {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-navigation a {
  color: var(--color-text-main);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 0;
  display: block;
  position: relative;
}

.main-navigation a:hover {
  color: var(--color-primary);
}

/* Dropdown styling for "Calculators" */
.main-navigation .menu-item-has-children {
  position: relative;
}

.main-navigation .menu-item-has-children > a {
  padding-right: 16px;
}

.main-navigation .menu-item-has-children > a::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0; 
  height: 0; 
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--color-text-main);
  transition: var(--transition-smooth);
}

.main-navigation .menu-item-has-children:hover > a::after {
  transform: translateY(-50%) rotate(180deg);
  border-top-color: var(--color-primary);
}

.main-navigation .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  transform: translateY(10px);
  background: var(--color-bg-card);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  min-width: 480px; /* Wide for multi-column feel */
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 24px;
  z-index: 100;
}

/* Invisible bridge so mouse doesn't fall off */
.main-navigation .sub-menu::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 0;
  right: 0;
  height: 20px;
}

.main-navigation .menu-item-has-children:hover .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.main-navigation .sub-menu li {
  display: block;
}

.main-navigation .sub-menu a {
  padding: 8px 12px;
  border-radius: var(--border-radius-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
}

.main-navigation .sub-menu a:hover {
  background: var(--color-bg-base);
  color: var(--color-primary);
}

.main-navigation .sub-menu a::after {
  display: none; /* Hide bottom border animation on submenu items */
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger-icon,
.hamburger-icon::before,
.hamburger-icon::after {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-main);
  transition: var(--transition-smooth);
}

.hamburger-icon {
  position: relative;
}

.hamburger-icon::before,
.hamburger-icon::after {
  content: '';
  position: absolute;
  left: 0;
}

.hamburger-icon::before { top: -6px; }
.hamburger-icon::after { bottom: -6px; }

.mobile-menu-toggle.is-active .hamburger-icon {
  background-color: transparent;
}

.mobile-menu-toggle.is-active .hamburger-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.mobile-menu-toggle.is-active .hamburger-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* Responsive adjustments */
@media (max-width: 960px) {
  .mobile-menu-toggle {
    display: block;
  }
  
  .main-navigation {
    display: none; /* Handled by JS */
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    padding: 24px;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--color-border);
    z-index: 99;
  }
  
  .main-navigation.is-open {
    display: block !important;
  }
  
  .main-navigation ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  
  .main-navigation .sub-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    padding: 16px 0 0 16px;
    display: none; /* Hidden until expanded */
    grid-template-columns: 1fr;
  }
  
  .main-navigation .menu-item-has-children.submenu-open .sub-menu {
    display: grid;
  }
}