/*
Theme Name: Civil Calc Pro
Theme URI: https://example.com/civil-calc-pro-theme
Author: Civil Calc Team
Author URI: https://example.com
Description: قالب احترافي للهندسة المدنية بتصميم Soft Pop Neo-Brutalism. يحتوي على 23 حاسبة هندسية مدنية مدمجة في الصفحة الرئيسية. يدعم RTL والوضع الليلي مع مؤشر فأرة مخصص بفيزياء spring.
Version: 1.0.0
Requires at least: 5.0
Tested up to: 6.5
Requires PHP: 7.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: civil-calc-theme
Tags: blog, one-column, custom-menu, custom-logo, featured-images, threaded-comments, rtl-language-support, translation-ready, full-width-template
*/

/* ============================================
   Soft Pop Neo-Brutalism — Civil Calc Pro Theme
   ============================================ */

:root {
  --bg: #FAF6E9;
  --bg-alt: #FFF8E8;
  --surface: #FFFFFF;
  --ink: #0A0A0A;
  --ink-soft: #1F1F1F;

  --blue: #3B82F6;
  --blue-dark: #1E40AF;
  --coral: #FF5C5C;
  --coral-soft: #FFB3B3;
  --yellow: #FFD93D;
  --mint: #6BCB77;
  --pink: #FF8FB1;
  --purple: #A78BFA;

  --card-blue: #BFDBFE;
  --card-coral: #FFC2C2;
  --card-yellow: #FFF0A8;
  --card-mint: #B8F0BF;
  --card-pink: #FFD5E5;
  --card-purple: #DDD2FF;

  --shadow-sm: 3px 3px 0 #000;
  --shadow: 6px 6px 0 #000;
  --shadow-lg: 8px 8px 0 #000;
  --shadow-xl: 12px 12px 0 #000;

  --border: 3px solid #000;
  --border-thick: 4px solid #000;

  --radius-sm: 12px;
  --radius: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --topbar-h: 80px;
  --sidebar-w: 290px;
  --content-max: 1280px;

  --ease-pop: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --bg: #1A1A2E;
  --bg-alt: #16213E;
  --surface: #0F0F1E;
  --ink: #FAF6E9;
  --ink-soft: #E5E5E5;
  --card-blue: #1E3A8A;
  --card-coral: #7F1D1D;
  --card-yellow: #78350F;
  --card-mint: #14532D;
  --card-pink: #831843;
  --card-purple: #4C1D95;
  --shadow-sm: 3px 3px 0 #FAF6E9;
  --shadow: 6px 6px 0 #FAF6E9;
  --shadow-lg: 8px 8px 0 #FAF6E9;
  --shadow-xl: 12px 12px 0 #FAF6E9;
  --border: 3px solid #FAF6E9;
  --border-thick: 4px solid #FAF6E9;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Cairo', 'Tajawal', system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: radial-gradient(circle at 1px 1px, rgba(0,0,0,0.08) 1px, transparent 0);
  background-size: 24px 24px;
  transition: background 0.3s, color 0.3s;
}

body.has-calc-home {
  cursor: none;
}

a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 700;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s;
}
a:hover { border-bottom-color: var(--coral); }

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

/* ========== المؤشر المخصص (Custom Cursor) ========== */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  transform: translate(-50%, -50%);
  will-change: transform;
}
.cursor-dot {
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: width 0.25s var(--ease-pop), height 0.25s var(--ease-pop);
}
.cursor-dot.hover {
  width: 56px;
  height: 56px;
}
.cursor-ring {
  width: 38px;
  height: 38px;
  border: 2px solid #fff;
  border-radius: 50%;
  z-index: 9998;
}

@media (hover: none), (max-width: 768px) {
  body.has-calc-home { cursor: auto; }
  .cursor-dot, .cursor-ring { display: none; }
}

/* ========== شريط التنقل العلوي (Header) ========== */
.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  height: var(--topbar-h);
  background: var(--bg);
  border-bottom: var(--border-thick);
  z-index: 100;
}



.site-header-inner {
  height: 100%;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--content-max);
  margin: 0 auto;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 14px;
}

.site-logo-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--blue);
  border: var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: transform 0.2s var(--ease-pop);
  text-decoration: none;
}
.site-branding:hover .site-logo-wrap {
  transform: rotate(-8deg) scale(1.05);
}

.site-title {
  font-size: 22px;
  font-weight: 900;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -0.5px;
  margin: 0;
}
.site-title a {
  color: inherit;
  border: none;
}
.site-tagline {
  font-size: 12px;
  background: var(--coral);
  color: #fff;
  padding: 2px 10px;
  border-radius: 99px;
  border: 2px solid #000;
  font-weight: 700;
  display: inline-block;
  margin-top: 4px;
}

/* ========== قائمة التنقل الأساسية ========== */
.main-navigation {
  display: flex;
  align-items: center;
  gap: 10px;
}
.main-navigation ul {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
}
.main-navigation li a {
  display: inline-block;
  padding: 10px 18px;
  background: var(--surface);
  color: var(--ink);
  border: 2.5px solid #000;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 14px;
  box-shadow: 3px 3px 0 #000;
  transition: transform 0.15s var(--ease-pop), box-shadow 0.15s var(--ease-pop), background 0.2s;
}
.main-navigation li a:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 #000;
  background: var(--yellow);
}
.main-navigation li.current-menu-item a {
  background: var(--blue);
  color: #fff;
}

.theme-toggle {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--yellow);
  border: var(--border);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  transition: transform 0.15s var(--ease-pop), box-shadow 0.15s var(--ease-pop), background 0.2s;
}
.theme-toggle:hover {
  transform: translate(-3px, -3px) rotate(15deg);
  box-shadow: 6px 6px 0 #000;
  background: var(--coral);
  color: #fff;
}
.theme-toggle:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 #000;
}

.menu-toggle {
  display: none;
  background: var(--yellow);
  border: var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s var(--ease-pop), box-shadow 0.15s var(--ease-pop);
  flex-direction: column;
  gap: 4px;
}
.menu-toggle:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 #000;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 3px;
  background: #000;
  border-radius: 2px;
}

/* ========== التخطيط العام ========== */
.site-content {
  padding-top: var(--topbar-h);
  min-height: 100vh;
}

.site-content-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 36px 24px;
}

/* ========== صفحة المحتوى (للصفحات العادية) ========== */
.page-content,
.post-content {
  background: var(--surface);
  padding: 40px;
  border-radius: var(--radius-lg);
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
  margin-bottom: 28px;
}

.page-title,
.post-title {
  font-size: 32px;
  font-weight: 900;
  color: var(--ink);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.post-meta span {
  display: inline-block;
  background: var(--card-yellow);
  padding: 6px 14px;
  border-radius: 99px;
  border: 2.5px solid #000;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 2px 2px 0 #000;
}

.entry-content {
  font-size: 16px;
  line-height: 1.8;
}
.entry-content h2 {
  font-size: 26px;
  font-weight: 900;
  margin: 28px 0 16px;
  letter-spacing: -0.3px;
}
.entry-content h3 {
  font-size: 22px;
  font-weight: 800;
  margin: 24px 0 14px;
}
.entry-content p {
  margin-bottom: 16px;
}
.entry-content ul, .entry-content ol {
  margin: 0 24px 16px;
  padding: 0;
}
.entry-content li {
  margin-bottom: 8px;
}
.entry-content blockquote {
  background: var(--card-mint);
  border-right: 6px solid var(--ink);
  padding: 20px 24px;
  border-radius: var(--radius);
  border: var(--border);
  box-shadow: var(--shadow);
  margin: 24px 0;
  font-weight: 600;
  font-style: italic;
}
.entry-content pre,
.entry-content code {
  background: var(--card-purple);
  padding: 4px 10px;
  border-radius: 6px;
  border: 2px solid #000;
  font-family: 'Courier New', monospace;
  font-weight: 700;
}
.entry-content pre {
  padding: 16px;
  overflow-x: auto;
  margin: 16px 0;
  box-shadow: var(--shadow-sm);
}
.entry-content img {
  border-radius: var(--radius);
  border: var(--border);
  box-shadow: var(--shadow);
  margin: 16px 0;
}

/* ========== أزرار عامة ========== */
.btn,
.entry-content .wp-block-button__link,
.post-edit-link {
  display: inline-block;
  padding: 12px 24px;
  background: var(--coral);
  color: #fff !important;
  border: var(--border);
  border-radius: var(--radius-sm);
  font-weight: 900;
  font-size: 15px;
  box-shadow: var(--shadow);
  transition: transform 0.15s var(--ease-pop), box-shadow 0.15s var(--ease-pop), background 0.2s;
  text-decoration: none;
}
.btn:hover,
.entry-content .wp-block-button__link:hover,
.post-edit-link:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 #000;
  background: var(--blue);
  border-color: #000;
}

/* ========== شبكة المنشورات (Blog) ========== */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.post-card {
  background: var(--card-blue);
  padding: 28px;
  border-radius: var(--radius-lg);
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
  transition: transform 0.2s var(--ease-pop), box-shadow 0.2s var(--ease-pop);
}
.post-card:nth-child(2n) { background: var(--card-coral); }
.post-card:nth-child(3n) { background: var(--card-yellow); }
.post-card:nth-child(4n) { background: var(--card-mint); }
.post-card:nth-child(5n) { background: var(--card-pink); }
.post-card:hover {
  transform: translate(-4px, -4px) rotate(-1deg);
  box-shadow: 14px 14px 0 #000;
}
.post-card h3 {
  font-size: 22px;
  font-weight: 900;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.post-card h3 a {
  color: var(--ink);
  border: none;
}
.post-card .excerpt {
  font-size: 14px;
  font-weight: 600;
  opacity: 0.85;
  margin-bottom: 16px;
}
.post-card .read-more {
  display: inline-block;
  background: var(--ink);
  color: var(--bg);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: 2px solid #000;
  font-weight: 700;
  font-size: 13px;
  box-shadow: 2px 2px 0 #000;
  transition: transform 0.15s var(--ease-pop);
}
.post-card .read-more:hover {
  transform: translate(-2px, -2px);
  border-bottom-color: #000;
}

/* ========== صفحة 404 ========== */
.error-404 {
  text-align: center;
  padding: 60px 20px;
}
.error-404 .error-number {
  font-size: clamp(80px, 18vw, 220px);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 24px;
  background: var(--yellow);
  display: inline-block;
  padding: 0 30px;
  border: var(--border-thick);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  transform: rotate(-2deg);
  color: var(--ink);
}
.error-404 h1 {
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 16px;
}
.error-404 p {
  font-size: 17px;
  margin-bottom: 28px;
  font-weight: 600;
}

/* ========== نموذج البحث ========== */
.search-form {
  display: flex;
  gap: 8px;
  max-width: 500px;
  margin: 20px auto;
}
.search-form input[type="search"] {
  flex: 1;
  padding: 12px 16px;
  border: var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.search-form button {
  padding: 12px 24px;
  background: var(--blue);
  color: #fff;
  border: var(--border);
  border-radius: var(--radius-sm);
  font-weight: 900;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s var(--ease-pop);
}
.search-form button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 #000;
}

/* ========== التذييل (Footer) ========== */
.site-footer {
  margin-top: 60px;
  padding: 40px 24px;
  background: var(--ink);
  color: var(--bg);
  border-top: var(--border-thick);
}
.site-footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  text-align: center;
}
.site-footer h3 {
  color: var(--yellow);
  margin-bottom: 12px;
  font-weight: 900;
  font-size: 20px;
}
.site-footer p {
  font-weight: 600;
  font-size: 14px;
  opacity: 0.9;
}
.site-footer a {
  color: var(--yellow);
  border-bottom: 2px solid transparent;
}
.site-footer a:hover {
  border-bottom-color: var(--yellow);
}
.footer-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--coral-soft);
  font-weight: 700;
}

/* ========== الصفحة الرئيسية - Hero ========== */
.hero {
  background: var(--yellow);
  color: var(--ink);
  padding: 56px 44px;
  border-radius: var(--radius-xl);
  margin-bottom: 36px;
  border: var(--border-thick);
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -60px;
  left: -60px;
  width: 180px;
  height: 180px;
  background: var(--coral);
  border-radius: 50%;
  border: var(--border);
  opacity: 0.95;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: 120px;
  width: 110px;
  height: 110px;
  background: var(--mint);
  border-radius: 24px;
  border: var(--border);
  transform: rotate(15deg);
}
.hero h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  margin-bottom: 14px;
  position: relative;
  letter-spacing: -1px;
  line-height: 1.1;
  z-index: 2;
}
.hero h2 .highlight {
  background: var(--ink);
  color: var(--yellow);
  padding: 0 16px;
  display: inline-block;
  border-radius: 8px;
  transform: rotate(-1deg);
}
.hero p {
  font-size: 17px;
  max-width: 640px;
  position: relative;
  font-weight: 600;
  z-index: 2;
}

/* ========== صفحة الحاسبة الرئيسية ========== */
.calc-layout {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

.calc-sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-alt);
  border: var(--border-thick);
  border-radius: var(--radius-lg);
  padding: 20px 14px;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: calc(var(--topbar-h) + 20px);
  max-height: calc(100vh - var(--topbar-h) - 40px);
  overflow-y: auto;
}
.calc-sidebar::-webkit-scrollbar { width: 8px; }
.calc-sidebar::-webkit-scrollbar-thumb {
  background: var(--ink);
  border-radius: 4px;
  border: 2px solid var(--bg-alt);
}

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

.nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.nav-section {
  font-size: 12px;
  font-weight: 900;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 18px 14px 10px;
  margin-top: 10px;
  position: relative;
}
.nav-section::before {
  content: '';
  position: absolute;
  bottom: 6px;
  right: 14px;
  width: 30px;
  height: 4px;
  background: var(--coral);
  border-radius: 2px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--surface);
  border: 2.5px solid #000;
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  text-align: right;
  width: 100%;
  transition: transform 0.15s var(--ease-pop), box-shadow 0.15s var(--ease-pop), background 0.2s;
  box-shadow: 3px 3px 0 #000;
}
[data-theme="dark"] .nav-item {
  border: 2.5px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
}
.nav-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 #000;
  background: var(--card-yellow);
}
[data-theme="dark"] .nav-item:hover {
  box-shadow: 5px 5px 0 var(--ink);
}
.nav-item.active {
  background: var(--blue);
  color: #fff;
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 #000;
}
.nav-icon {
  font-size: 20px;
  flex-shrink: 0;
  width: 26px;
  text-align: center;
}

/* ========== صفحات الحاسبات ========== */
.calc-page {
  display: none;
}
.calc-page.active {
  display: block;
  animation: pageIn 0.5s var(--ease-out);
}
@keyframes pageIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}
.card-feature {
  background: var(--card-blue);
  padding: 28px 26px;
  border-radius: var(--radius-lg);
  border: var(--border-thick);
  cursor: pointer;
  transition: transform 0.2s var(--ease-pop), box-shadow 0.2s var(--ease-pop);
  box-shadow: var(--shadow-lg);
}
.card-feature:nth-child(2) { background: var(--card-coral); }
.card-feature:nth-child(3) { background: var(--card-yellow); }
.card-feature:nth-child(4) { background: var(--card-mint); }
.card-feature:nth-child(5) { background: var(--card-pink); }
.card-feature:nth-child(6) { background: var(--card-purple); }
.card-feature:hover {
  transform: translate(-4px, -4px) rotate(-1deg);
  box-shadow: 14px 14px 0 #000;
}
[data-theme="dark"] .card-feature:hover {
  box-shadow: 14px 14px 0 var(--ink);
}
.card-icon {
  font-size: 48px;
  margin-bottom: 18px;
  background: #fff;
  width: 70px;
  height: 70px;
  border-radius: 16px;
  border: var(--border);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s var(--ease-pop);
}
.card-feature:hover .card-icon {
  transform: rotate(-12deg) scale(1.1);
}
.card-feature h3 {
  font-size: 22px;
  font-weight: 900;
  margin-bottom: 10px;
  color: var(--ink);
}
.card-feature p {
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  opacity: 0.85;
}

.calc-page-header {
  background: var(--surface);
  padding: 28px 32px;
  border-radius: var(--radius-lg);
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}
.calc-page-header::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  width: 80px;
  height: 80px;
  background: var(--mint);
  border-radius: 16px;
  border: var(--border);
  transform: rotate(20deg);
}
.calc-page-header h2 {
  font-size: 30px;
  font-weight: 900;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: -0.5px;
  position: relative;
}
.calc-page-header p {
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  opacity: 0.8;
  position: relative;
}

.calc {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 28px;
  margin-bottom: 28px;
}
.calc-form {
  background: var(--surface);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 8px;
}
.form-group small {
  display: block;
  font-size: 12px;
  opacity: 0.7;
  margin-top: 6px;
  font-weight: 600;
}
.form-group input,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  background: var(--bg-alt);
  border: 2.5px solid #000;
  border-radius: var(--radius-sm);
  color: var(--ink);
  transition: transform 0.15s var(--ease-pop), box-shadow 0.15s var(--ease-pop);
  direction: ltr;
  text-align: right;
}
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select {
  border: 2.5px solid var(--ink);
}
.form-group select { direction: rtl; }
.form-group input:focus,
.form-group select:focus {
  outline: none;
  background: var(--card-yellow);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 #000;
}
[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group select:focus {
  box-shadow: 4px 4px 0 var(--ink);
}

.btn-primary {
  width: 100%;
  padding: 15px 28px;
  background: var(--coral);
  color: #fff;
  border: var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 17px;
  font-weight: 900;
  cursor: pointer;
  transition: transform 0.15s var(--ease-pop), box-shadow 0.15s var(--ease-pop), background 0.2s;
  margin-top: 10px;
  box-shadow: var(--shadow);
}
.btn-primary:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 #000;
  background: var(--blue);
}
.btn-primary:active {
  transform: translate(3px, 3px);
  box-shadow: 1px 1px 0 #000;
}

.calc-result {
  background: var(--card-mint);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
  min-height: 220px;
}
.calc-result:empty {
  display: flex;
  align-items: center;
  justify-content: center;
}
.calc-result:empty::before {
  content: '📊 أدخل القيم واضغط زر الحساب';
  background: #fff;
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  border: var(--border);
  box-shadow: var(--shadow-sm);
  transform: rotate(-2deg);
  font-weight: 700;
}
.result-title {
  font-size: 18px;
  font-weight: 900;
  color: #fff;
  background: var(--ink);
  display: inline-block;
  padding: 8px 16px;
  border-radius: 8px;
  margin-bottom: 18px;
  border: var(--border);
  box-shadow: var(--shadow-sm);
}
.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  background: #fff;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  border: 2.5px solid #000;
  box-shadow: 3px 3px 0 #000;
  transition: transform 0.15s var(--ease-pop);
}
[data-theme="dark"] .result-item {
  background: var(--bg-alt);
  border: 2.5px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
}
.result-item:hover { transform: translate(-2px, -2px); }
.result-item.highlight {
  background: var(--yellow);
  transform: rotate(-0.5deg);
}
.result-label {
  font-size: 14px;
  font-weight: 700;
}
.result-value {
  font-size: 18px;
  font-weight: 900;
  direction: ltr;
}
.result-value .unit {
  font-size: 12px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  margin-right: 6px;
  padding: 2px 8px;
  border-radius: 6px;
  border: 2px solid #000;
}
.result-error {
  color: #fff;
  background: var(--coral);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: var(--border);
  box-shadow: var(--shadow-sm);
  font-weight: 800;
  transform: rotate(-1deg);
}

.formula-box {
  background: var(--card-purple);
  padding: 26px 32px;
  border-radius: var(--radius-lg);
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
  position: relative;
}
.formula-box::before {
  content: 'ƒ';
  position: absolute;
  top: -28px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: var(--ink);
  color: var(--yellow);
  border: var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 900;
  font-style: italic;
  box-shadow: var(--shadow-sm);
}
.formula-box h4 {
  font-size: 18px;
  font-weight: 900;
  margin-bottom: 12px;
}
.formula-box p {
  font-family: 'Courier New', monospace;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
  background: #fff;
  padding: 10px 14px;
  border-radius: 8px;
  border: 2.5px solid #000;
  direction: ltr;
  text-align: right;
}
[data-theme="dark"] .formula-box p {
  background: var(--bg-alt);
  border: 2.5px solid var(--ink);
}

/* ========== Animations ========== */
@keyframes popIn {
  0% { opacity: 0; transform: translateY(30px) scale(0.95); }
  60% { opacity: 1; transform: translateY(-5px) scale(1.02); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes wiggle {
  0%, 100% { transform: rotate(0); }
  25% { transform: rotate(-3deg); }
  75% { transform: rotate(3deg); }
}
.calc-page.active .hero { animation: popIn 0.6s var(--ease-pop) both; }
.calc-page.active .grid > * { animation: popIn 0.5s var(--ease-pop) both; }
.calc-page.active .grid > *:nth-child(1) { animation-delay: 0.05s; }
.calc-page.active .grid > *:nth-child(2) { animation-delay: 0.12s; }
.calc-page.active .grid > *:nth-child(3) { animation-delay: 0.19s; }
.calc-page.active .grid > *:nth-child(4) { animation-delay: 0.26s; }
.calc-page.active .grid > *:nth-child(5) { animation-delay: 0.33s; }
.calc-page.active .grid > *:nth-child(6) { animation-delay: 0.40s; }
.calc-page.active .calc-page-header { animation: slideInRight 0.5s var(--ease-out) both; }
.calc-page.active .calc-form { animation: popIn 0.5s var(--ease-pop) 0.1s both; }
.calc-page.active .calc-result { animation: popIn 0.5s var(--ease-pop) 0.2s both; }
.calc-page.active .formula-box { animation: popIn 0.5s var(--ease-pop) 0.3s both; }
.pulse { animation: wiggle 0.4s var(--ease-pop); }

body.has-calc-home button,
body.has-calc-home a,
body.has-calc-home input,
body.has-calc-home select,
body.has-calc-home .card-feature,
body.has-calc-home .nav-item { cursor: none; }

/* ========== التصميم المتجاوب ========== */
@media (max-width: 1024px) {
  .calc { grid-template-columns: 1fr; }
  .calc-layout { flex-direction: column; }
  .calc-sidebar { width: 100%; position: relative; top: 0; max-height: none; }
}

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .main-navigation ul { display: none; }
  .main-navigation.open ul {
    display: flex;
    position: absolute;
    top: var(--topbar-h);
    right: 0;
    left: 0;
    flex-direction: column;
    background: var(--bg);
    padding: 20px;
    border-bottom: var(--border-thick);
  }
  .site-tagline { display: none; }
  .site-title { font-size: 18px; }
  .hero { padding: 36px 24px; }
  .hero h2 { font-size: 26px; }
  .grid { grid-template-columns: 1fr; }
  .site-header-inner { padding: 0 16px; }
  .site-content-inner { padding: 24px 16px; }
  .calc-form, .calc-result, .formula-box, .page-content, .post-content { padding: 22px; }
}

/* ========== توافق WordPress الكلاسيكي ========== */
.alignright { float: right; margin: 0 0 1em 1.5em; }
.alignleft { float: left; margin: 0 1.5em 1em 0; }
.aligncenter { display: block; margin-left: auto; margin-right: auto; }
.wp-caption {
  max-width: 100%;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--card-yellow);
  padding: 10px;
  box-shadow: var(--shadow-sm);
}
.wp-caption .wp-caption-text {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 0 0;
}
.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  word-wrap: normal !important;
}
.sticky { display: block; }
.bypostauthor { display: block; }
.gallery-caption { display: block; }

/* صفحة استلام التعليقات */
.comments-area {
  background: var(--surface);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: var(--border-thick);
  box-shadow: var(--shadow-lg);
  margin-top: 28px;
}
.comments-area h2 {
  font-size: 22px;
  font-weight: 900;
  margin-bottom: 18px;
}