* {
  box-sizing: border-box;
}

:root {
  --bg: #f3f6fb;
  --text: #111827;
  --muted: #637085;
  --panel: rgba(255, 255, 255, 0.8);
  --border: rgba(15, 23, 42, 0.12);
  --blue: #0a84ff;
  --blue-2: #1273de;
  --danger: #dc2626;
  --shadow: 0 10px 35px rgba(15, 23, 42, 0.1);
}

body.dark {
  --bg: #10151d;
  --text: #eef2f7;
  --muted: #a8b3c4;
  --panel: rgba(24, 31, 42, 0.82);
  --border: rgba(255, 255, 255, 0.1);
  --blue: #4ea3ff;
  --blue-2: #2d7cd3;
  --danger: #f87171;
  --shadow: 0 14px 38px rgba(0, 0, 0, 0.5);
}

body {
  margin: 0;
  background: radial-gradient(circle at 20% 0%, #dce8fb 0%, var(--bg) 48%);
  color: var(--text);
  font: 15px/1.45 "Inter", "Segoe UI", Arial, sans-serif;
}

body.dark {
  background: radial-gradient(circle at 20% 0%, #1e2430 0%, var(--bg) 48%);
}

.wrapper {
  width: min(1400px, 96%);
  margin: 24px auto 40px;
}

.hero {
  margin-bottom: 18px;
}

h1, h2, h3 {
  margin: 0 0 8px;
  line-height: 1.2;
}

.hero p {
  margin: 0;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.chip-btn,
.primary-btn,
.secondary-btn,
.danger-btn,
.tool-toggle-btn,
.copy-btn {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.primary-btn {
  background: linear-gradient(140deg, var(--blue), var(--blue-2));
  border-color: transparent;
  color: #fff;
}

.secondary-btn,
.chip-btn,
.tool-toggle-btn,
.copy-btn {
  background: var(--panel);
  color: var(--text);
}

.danger-btn {
  background: rgba(220, 38, 38, 0.08);
  color: var(--danger);
}

.chip-btn:hover,
.primary-btn:hover,
.secondary-btn:hover,
.danger-btn:hover,
.tool-toggle-btn:hover,
.copy-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.app-grid {
  display: grid;
  grid-template-columns: 1fr 1.45fr 1fr;
  gap: 14px;
}

.glass {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.panel {
  padding: 16px;
}

label {
  display: block;
  margin: 8px 0 6px;
  font-size: 13px;
  color: var(--muted);
}

input,
select,
textarea {
  width: 100%;
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.85);
  color: var(--text);
}

body.dark input,
body.dark select,
body.dark textarea {
  background: rgba(11, 16, 24, 0.72);
}

input:focus,
select:focus,
textarea:focus,
button:focus {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 10px 0;
}

.button-grid,
.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill-btn {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(10, 132, 255, 0.07);
  color: var(--text);
  padding: 8px 10px;
  cursor: pointer;
}

.value-with-tools {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.icon-btn,
.swap-btn {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 12px;
  cursor: pointer;
}

.units-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  align-items: end;
}

.sticky-convert-bar {
  display: flex;
  gap: 8px;
  margin: 14px 0;
}

.result-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  background: linear-gradient(145deg, rgba(10, 132, 255, 0.08), rgba(10, 132, 255, 0.01));
  animation: glowPulse 3.2s infinite;
}

.result-main {
  margin: 0 0 6px;
  font-size: 1.2rem;
  font-weight: 700;
}

.result-meta,
.formula {
  color: var(--muted);
  font-size: 13px;
}

.result-actions {
  display: flex;
  gap: 8px;
  margin: 12px 0 4px;
}

.multi-list,
.history-list {
  display: grid;
  gap: 7px;
}

.item-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.5);
  padding: 10px;
}

body.dark .item-card {
  background: rgba(10, 14, 20, 0.45);
}

.electrical-tools {
  margin-top: 14px;
}

.electrical-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.history-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.history-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.full {
  width: 100%;
  margin-top: 10px;
}

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

#rangeCanvas {
  margin-top: 8px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.55);
}

body.dark #rangeCanvas {
  background: rgba(7, 11, 18, 0.7);
}

.tool-extra-actions {
  margin-top: 14px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.hidden {
  display: none !important;
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 0 rgba(10, 132, 255, 0); }
  50% { box-shadow: 0 0 26px rgba(10, 132, 255, 0.2); }
}

@media (max-width: 1080px) {
  .app-grid {
    grid-template-columns: 1fr;
  }
  .panel-left { order: 1; }
  .panel-center { order: 2; }
  .panel-right { order: 3; }
  .sticky-convert-bar {
    position: sticky;
    bottom: 10px;
    z-index: 30;
    background: var(--panel);
    padding: 8px;
    border-radius: 12px;
    border: 1px solid var(--border);
  }
}

/* ===== Existing popups compatibility ===== */
.legal-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.58);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
}

.legal-popup-box,
.popup-box {
  width: min(600px, 94vw);
  background: #fff;
  color: #111827;
  border-radius: 16px;
  padding: 22px;
}

body.dark .legal-popup-box,
body.dark .popup-box {
  background: #0f172a;
  color: #e2e8f0;
}

.popup-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.55);
  z-index: 99999;
}

.popup-overlay.active {
  display: flex;
}

.popup-close {
  float: right;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: inherit;
}

/* ==========================
   מצב בהיר – Light (default)
========================== */
body {
  font-family: 'Segoe UI', sans-serif;
  background: transparent;
  color: #111827;
  display:flex;
  justify-content:center;
  align-items:center;
  min-height:100vh;
  margin:0;
}
.converter {
  background:transparent;
  
  border-radius:18px;
  width:100%;
}

h1 {
  text-align:center;
  margin-bottom:25px;
  color:#16a34a;
}

/* Inputs & Selects */
input, select {
  width:98%;
  padding:12px;
  margin:6px 0;
  border-radius:12px;
  border:2px solid #d1d5db; /* גבול בהיר וברור */
  font-size:1rem;
  transition: all 0.2s;
  background:#f3f4f6; /* רקע בהיר */
  color:#111827;       /* טקסט כהה */
}
input:focus, select:focus {
  outline:none;
  border-color:#16a34a; /* גבול ירוק ברור */
  box-shadow:0 0 5px #16a34a;
}

/* Search Inputs */
#searchFrom, #searchTo {
  border:2px solid #9ca3af; /* גבול יותר ברור */
  background:#e5e7eb;       /* רקע יותר בולט */
  color:#111827;
}
#searchFrom:focus, #searchTo:focus {
  border-color:#16a34a;
  box-shadow:0 0 5px #16a34a;
}

.small-text {
  font-size:0.85rem;
  color:#6b7280;
  margin-top:-4px;
  margin-bottom:8px;
}
.result {
  margin-top:18px;
  font-size:1.3rem;
  font-weight:bold;
  text-align:center;
  color: #111;
}

/* צבעים לפי קטגוריה - Light */
.length { border:2px solid #3b82f6; }
.weight { border:2px solid #22c55e; }
.area { border:2px solid #eab308; }
.volume { border:2px solid #f97316; }
.temperature { border:2px solid #ef4444; }
.speed { border:2px solid #8b5cf6; }
.electrical { border:2px solid #06b6d4; }

/* ==========================
   מצב כהה – Dark Mode
   להפעלה: <body class="dark">
========================== */
body.dark {
  background: transparent;
  color: #fff;
}
body.dark .converter {
  background:transparent;
  
}

body.dark h1 {
  color:#22c55e;
}

/* Inputs & Selects – Dark */
body.dark input, body.dark select {
  background:#1e293b;  /* רקע כהה ברור */
  color:#fff;          /* טקסט לבן */
  border:2px solid #374151; /* גבול כהה ברור */
}
body.dark input:focus, body.dark select:focus {
  border-color:#22c55e;
  box-shadow:0 0 5px #22c55e;
}

/* Search Inputs – Dark */
body.dark #searchFrom, body.dark #searchTo {
  background:#111827;      /* רקע כהה וניגודי */
  border:2px solid #4b5563; /* גבול ברור */
  color:#fff;
}
body.dark #searchFrom:focus, body.dark #searchTo:focus {
  border-color:#22c55e;
  box-shadow:0 0 5px #22c55e;
}

body.dark .small-text { color:#a5b4fc; }

body.dark .result {
  margin-top:18px;
  font-size:1.3rem;
  font-weight:bold;
  text-align:center;
  color: #ddd;
}

/* צבעים לפי קטגוריה - Dark */
body.dark .length { border:2px solid #3b82f6; }
body.dark .weight { border:2px solid #22c55e; }
body.dark .area { border:2px solid #eab308; }
body.dark .volume { border:2px solid #f97316; }
body.dark .temperature { border:2px solid #ef4444; }
body.dark .speed { border:2px solid #8b5cf6; }
body.dark .electrical { border:2px solid #06b6d4; }






























/* =========================================
LEGAL POPUP
========================================= */

.legal-popup-overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.55);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:99999;
  padding:20px;
  animation:fadeIn .3s ease;
}

.legal-popup-box{
  width:100%;
  max-width:520px;
  background:#ffffff;
  border-radius:22px;
  padding:28px;
  box-shadow:0 25px 70px rgba(0,0,0,.25);
  text-align:center;
  animation:popIn .35s ease;
}

.legal-popup-icon{
  font-size:42px;
  margin-bottom:12px;
}

.legal-popup-box h3{
  margin:0 0 14px;
  font-size:24px;
  color:#111827;
}

.legal-popup-box p{
  color:#4b5563;
  font-size:15px;
  line-height:1.7;
  margin:0 0 14px;
}

.legal-popup-box button{
  margin-top:10px;
  background:#2563eb;
  color:#fff;
  border:none;
  padding:14px 24px;
  border-radius:14px;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:.25s;
}

.legal-popup-box button:hover{
  background:#1d4ed8;
  transform:translateY(-2px);
}

@keyframes fadeIn{
  from{opacity:0;}
  to{opacity:1;}
}

@keyframes popIn{
  from{
    opacity:0;
    transform:translateY(30px) scale(.95);
  }
  to{
    opacity:1;
    transform:translateY(0) scale(1);
  }
}

/* Mobile */
@media(max-width:600px){
  .legal-popup-box{
    padding:22px;
    border-radius:18px;
  }

  .legal-popup-box h3{
    font-size:20px;
  }

  .legal-popup-box p{
    font-size:14px;
  }
}







/* =========================================
POPUP OVERLAY
========================================= */

/* KEEP EVERYTHING + FIX PERFECT Y CENTER */

.popup-overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.60);
  display:none;

  align-items:center;
  justify-content:center;

  z-index:99999;
  padding:20px;

  min-height:100vh; /* חשוב */
}

.popup-overlay.active{
  display:flex;
  animation:fadeIn .25s ease;
}

.popup-box{
  width:100%;
  max-width:720px;

  background:#ffffff;
  border-radius:24px;
  padding:28px;
  box-shadow:0 25px 80px rgba(0,0,0,.25);
  position:relative;
  animation:popIn .28s ease;

  max-height:calc(100vh - 40px); /* במקום 90vh */
  overflow:auto;

  transform:none;
}


/* =========================================
CLOSE BUTTON
========================================= */

.popup-close{
  position:absolute;
  top:14px;
  right:14px;
  width:38px;
  height:38px;
  border:none;
  border-radius:50%;
  background:#f1f5f9;
  font-size:18px;
  cursor:pointer;
}

.popup-close:hover{
  background:#e2e8f0;
}


/* =========================================
BUTTONS
========================================= */

.tool-extra-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin:20px 0;
}

/* =========================
   CLEAN PREMIUM BUTTON
========================= */

.tool-toggle-btn{
  background: linear-gradient(135deg, #ffffff, #f8fafc);
  color: #0f172a;

  border: 1px solid #e2e8f0;

  padding: 14px 18px;
  border-radius: 14px;

  font-weight: 600;
  cursor: pointer;

  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);

  transition: all 0.25s ease;
}

/* hover */
.tool-toggle-btn:hover{
  transform: translateY(-2px);

  background: linear-gradient(135deg, #f1f5f9, #ffffff);

  border-color: #cbd5e1;

  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.10);
}

/* active click */
.tool-toggle-btn:active{
  transform: translateY(0px) scale(0.98);
}


/* =========================================
TEXTAREA
========================================= */

textarea{
  width:100%;
  min-height:180px;
  margin-top:12px;
  border:1px solid #d1d5db;
  border-radius:14px;
  padding:14px;
  resize:vertical;
  font-family:monospace;
}

.copy-btn{
  margin-top:14px;
  background:#10b981;
  color:#fff;
  border:none;
  padding:12px 18px;
  border-radius:12px;
  cursor:pointer;
}


/* =========================================
ANIMATIONS
========================================= */

@keyframes fadeIn{
  from{opacity:0;}
  to{opacity:1;}
}

@keyframes popIn{
  from{
    opacity:0;
    transform:translateY(20px) scale(.96);
  }
  to{
    opacity:1;
    transform:translateY(0) scale(1);
  }
}


/* =========================================
MOBILE
========================================= */

@media(max-width:700px){

  .popup-box{
    padding:22px;
    border-radius:18px;
  }

  .tool-extra-actions{
    flex-direction:column;
  }

  .tool-toggle-btn{
    width:100%;
  }

}





/* =========================================
LIGHT MODE (DEFAULT)
========================================= */

.popup-overlay{
  background:rgba(0,0,0,.60);
}

.popup-box{
  background:#ffffff;
  color:#111827;
  border:1px solid #e5e7eb;
  box-shadow:0 25px 80px rgba(0,0,0,.25);
}

/* Headings */
.popup-box h1,
.popup-box h2,
.popup-box h3,
.popup-box h4{
  color:#111827;
}

/* Text */
.popup-box p,
.popup-box li,
.popup-box span,
.popup-box small{
  color:#4b5563;
}

/* Close button */
.popup-close{
  background:#f1f5f9;
  color:#111827;
  border:1px solid #e5e7eb;
}

.popup-close:hover{
  background:#e2e8f0;
}

/* Copy button */
.copy-btn{
  background:#10b981;
  color:#ffffff;
}

.copy-btn:hover{
  background:#059669;
}

/* Textarea */
textarea{
  background:#ffffff;
  color:#111827;
  border:1px solid #d1d5db;
}

/* Embed box */
.embed-box{
  background:#ffffff;
  color:#111827;
}

/* Similar tools */
.similar-tools{
  background:#f8fafc;
  color:#111827;
}

.similar-tool-card{
  background:#ffffff;
  color:#111827;
  border:1px solid #e5e7eb;
  box-shadow:0 4px 12px rgba(0,0,0,0.08);
}

/* Cards text */
.tool-card-content p{
  color:#6b7280;
}

/* List */
#similarToolsList li{
  background:#ffffff;
  border:1px solid #e5e7eb;
  color:#111827;
}



/* =========================================
DARK MODE
body.dark
========================================= */

body.dark .popup-overlay{
  background:rgba(0,0,0,.78);
  color:#f9fafb;
}

body.dark .popup-box{
  background:#0f172a;
  color:#f9fafb;
  border:1px solid #1e293b;
  box-shadow:0 25px 80px rgba(0,0,0,.55);
}

/* Headings */
body.dark .popup-box h1,
body.dark .popup-box h2,
body.dark .popup-box h3,
body.dark .popup-box h4{
  color:#f8fafc;
}

/* Text */
body.dark .popup-box p,
body.dark .popup-box li,
body.dark .popup-box span,
body.dark .popup-box small{
  color:#cbd5e1;
}

/* Close button */
body.dark .popup-close{
  background:#1e293b;
  color:#f8fafc;
  border:1px solid #334155;
}

body.dark .popup-close:hover{
  background:#334155;
}

body.dark .tool-toggle-btn{
  background: linear-gradient(135deg, #0f172a, #111827);
  color: #e5e7eb;
  border: 1px solid #1f2937;
}

body.dark .tool-toggle-btn:hover{
  border-color: #10b981;
  box-shadow: 0 0 0 2px rgba(16,185,129,0.15),
              0 10px 26px rgba(0,0,0,0.6);
}

/* Copy button */
body.dark .copy-btn{
  background:#059669;
  color:#ffffff;
  border:1px solid #10b981;
}

body.dark .copy-btn:hover{
  background:#047857;
}

/* Textarea */
body.dark textarea{
  background:#020617;
  color:#e2e8f0;
  border:1px solid #334155;
}

/* Embed box */
body.dark .embed-box{
  background:transparent;
  color:#e5e7eb;
}

/* Similar tools section */
body.dark .similar-tools{
  background:#0f172a;
  color:#f9fafb;
}

/* Cards */
body.dark .similar-tool-card{
  background:#111827;
  color:#f9fafb;
  border:1px solid rgba(255,255,255,0.06);
  box-shadow:0 6px 18px rgba(0,0,0,0.55);
}

body.dark .similar-tool-card:hover{
  box-shadow:0 12px 28px rgba(0,0,0,0.65);
}

/* Card text */
body.dark .tool-card-content h3{
  color:#f9fafb;
}

body.dark .tool-card-content p{
  color:#9ca3af;
}

/* Rating */
body.dark .tool-card-content .tool-rating{
  color:#fbbf24;
}

/* Badges */
body.dark .tool-badge{
  color:#ffffff;
}

body.dark .tool-badge.trending{
  background:#3b82f6;
}

body.dark .tool-badge:not(.trending){
  background:#f59e0b;
}

/* Image */
body.dark .similar-tool-card img{
  filter:brightness(0.9) contrast(1.1);
}

/* List */
body.dark #similarToolsList li{
  background:#111827;
  border:1px solid rgba(255,255,255,0.06);
  color:#f9fafb;
}

body.dark #similarToolsList li:hover{
  background:#1f2937;
  box-shadow:0 6px 16px rgba(0,0,0,0.5);
}

body.dark #similarToolsList li a{
  color:#93c5fd;
}

body.dark #similarToolsList li a:hover{
  color:#ffffff;
}





/* =========================
   ADS CENTERING
========================= */

.top-ad,
.bottom-ad{
  display:flex;
  justify-content:center;  /* מרכז אופקי */
  align-items:center;
  width:100%;
}

/* חשוב מאוד - מונע "דחיפה" לצד */
.top-ad ins.adsbygoogle,
.bottom-ad ins.adsbygoogle{
  display:block !important;
  margin:0 auto;
}

/* ===== Premium header + strict dark fixes ===== */
.hero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px 18px;
  background: linear-gradient(145deg, rgba(10, 132, 255, 0.16), rgba(255, 255, 255, 0.7));
  box-shadow: var(--shadow);
}

.hero::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  right: -80px;
  top: -120px;
  background: radial-gradient(circle, rgba(10, 132, 255, 0.36), transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(1.4rem, 2vw, 2.1rem);
  letter-spacing: 0.2px;
}

.hero-stats {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.hero-stats span {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  background: rgba(255, 255, 255, 0.72);
}

body.dark .hero {
  background: linear-gradient(145deg, rgba(78, 163, 255, 0.18), rgba(17, 22, 33, 0.92));
}

body.dark .hero-stats span {
  background: rgba(13, 18, 28, 0.86);
}

/* Force dark surfaces to avoid white leftovers from legacy rules */
body.dark,
body.dark .wrapper,
body.dark .panel,
body.dark .glass,
body.dark .item-card,
body.dark .result-card,
body.dark .history-box,
body.dark .insights-box,
body.dark .range-chart,
body.dark .favorites-box,
body.dark .quick-tools,
body.dark .popup-box,
body.dark .legal-popup-box,
body.dark textarea,
body.dark input,
body.dark select,
body.dark #rangeCanvas {
  color: #e5ecf5 !important;
}

body.dark .panel,
body.dark .glass,
body.dark .history-box,
body.dark .insights-box,
body.dark .range-chart,
body.dark .favorites-box,
body.dark .quick-tools,
body.dark .result-card {
  background: rgba(17, 23, 34, 0.9) !important;
  border-color: rgba(255, 255, 255, 0.1) !important;
}

body.dark .item-card {
  background: rgba(11, 16, 24, 0.8) !important;
}

body.dark input,
body.dark select,
body.dark textarea {
  background: rgba(8, 13, 20, 0.9) !important;
}

/* Full-page dark background enforcement */
html,
body {
  min-height: 100%;
}

body.dark,
html:has(body.dark) {
  background: #0b1119 !important;
}