/**
 * Tool 8: Data Transfer Time Calculator Stylesheet
 * Netixa Network Toolbox - Production Master UI
 */

.tool-page-wrapper {
  padding: 40px 0 80px;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

@media (max-width: 860px) {
  .calc-grid {
    grid-template-columns: 1fr;
  }
}

.calc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: 0 10px 30px -10px rgba(15, 39, 77, 0.08);
  transition: box-shadow 0.3s, border-color 0.3s;
}

[data-theme="dark"] .calc-card {
  background: #0b1121;
  border-color: var(--border-dark);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.calc-card-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  font-family: 'Vazirmatn', Tahoma, sans-serif !important;
}

[data-theme="dark"] .calc-card-title {
  color: #fff;
  border-bottom-color: var(--border-dark);
}

.calc-card-title svg {
  color: var(--cyan);
  flex-shrink: 0;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.form-group label {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--navy);
  font-family: 'Vazirmatn', Tahoma, sans-serif !important;
}

[data-theme="dark"] .form-group label {
  color: #f1f5f9;
}

.input-combo-group {
  display: flex;
  gap: 10px;
  margin-bottom: 8px;
}

/* فیلد ورودی عدد */
.input-combo-group .num-input {
  flex: 1.8;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  font-family: 'JetBrains Mono', 'Vazirmatn', sans-serif !important;
  direction: ltr;
  text-align: center;
  transition: all 0.25s ease;
}

[data-theme="dark"] .input-combo-group .num-input {
  border-color: var(--border-dark);
  background: #081120;
}

.input-combo-group .num-input:focus {
  outline: none;
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px var(--blue-light);
}

/* سلکتور انتخاب واحد با فلش مشخص Dropdown */
.input-combo-group .unit-select,
.calc-card select.form-control {
  flex: 1.2;
  min-width: 130px;
  padding: 12px 16px 12px 34px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background-color: var(--bg-alt);
  color: var(--navy);
  font-size: 14px;
  font-weight: 700;
  font-family: 'Vazirmatn', Tahoma, sans-serif !important;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300A9CA' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: left 12px center;
  background-size: 15px;
  transition: all 0.2s ease;
}

[data-theme="dark"] .input-combo-group .unit-select,
[data-theme="dark"] .calc-card select.form-control {
  background-color: #070d1d;
  border-color: var(--border-dark);
  color: #38bdf8;
}

.input-combo-group .unit-select:hover,
.calc-card select.form-control:hover {
  border-color: var(--cyan);
  background-color: rgba(0, 169, 202, 0.05);
}

.input-combo-group .unit-select:focus,
.calc-card select.form-control:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 169, 202, 0.15);
}

/* دکمه‌های مقادیر پیش‌فرض */
.preset-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  margin-bottom: 12px;
}

.preset-pill {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 99px;
  cursor: pointer;
  font-family: 'Vazirmatn', Tahoma, sans-serif !important;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .preset-pill {
  background: #070d1d;
  border-color: var(--border-dark);
  color: #94a3b8;
}

.preset-pill:hover {
  background: rgba(0, 169, 202, 0.12);
  color: var(--cyan);
  border-color: var(--cyan);
  transform: translateY(-1px);
}

/* کادر اصلی نمایش زمان */
.result-hero-box {
  background: linear-gradient(145deg, #071328 0%, #0d2242 100%);
  border: 1px solid rgba(0, 210, 255, 0.35);
  border-radius: 16px;
  padding: 26px 20px;
  text-align: center;
  color: #fff;
  margin-bottom: 22px;
  box-shadow: 0 14px 35px -8px rgba(7, 19, 40, 0.5), 0 0 20px rgba(0, 169, 202, 0.15);
  position: relative;
  overflow: hidden;
}

.result-hero-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #f59e0b, #00d2ff, #10b981);
}

.result-hero-label {
  font-size: 13.5px;
  color: #94a3b8;
  font-weight: 700;
  margin-bottom: 10px;
  font-family: 'Vazirmatn', Tahoma, sans-serif !important;
}

.result-hero-time {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 900;
  color: #fbbf24;
  text-shadow: 0 2px 14px rgba(251, 191, 36, 0.3);
  margin-bottom: 10px;
  direction: rtl;
  font-family: 'Vazirmatn', Tahoma, sans-serif !important;
}

.result-hero-sub {
  font-size: 13px;
  color: #38bdf8;
  font-weight: 700;
  background: rgba(56, 189, 248, 0.1);
  display: inline-block;
  padding: 5px 16px;
  border-radius: 99px;
  border: 1px solid rgba(56, 189, 248, 0.25);
  direction: rtl;
  font-family: 'Vazirmatn', Tahoma, sans-serif !important;
}

/* شبکه تفکیک زمان (روز، ساعت، دقیقه، ثانیه) */
.time-units-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

@media (max-width: 480px) {
  .time-units-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.time-unit-cell {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 10px;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
  transition: transform 0.2s, border-color 0.2s;
}

[data-theme="dark"] .time-unit-cell {
  background: #070d1d;
  border-color: var(--border-dark);
}

.time-unit-cell:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.time-unit-val {
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
  display: block;
  font-family: 'JetBrains Mono', 'Vazirmatn', sans-serif !important;
}

[data-theme="dark"] .time-unit-val {
  color: #38bdf8;
}

.time-unit-lbl {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 2px;
  font-family: 'Vazirmatn', Tahoma, sans-serif !important;
}

/* جدول مقایسه‌ای سرعت‌ها */
.speed-compare-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 13.5px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  min-width: 320px;
}

[data-theme="dark"] .speed-compare-table {
  border-color: var(--border-dark);
}

.speed-compare-table th {
  text-align: right;
  padding: 12px 14px;
  background: var(--bg-alt);
  color: var(--navy);
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  font-family: 'Vazirmatn', Tahoma, sans-serif !important;
}

[data-theme="dark"] .speed-compare-table th {
  background: #070d1d;
  color: #f1f5f9;
  border-bottom-color: var(--border-dark);
}

.speed-compare-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  background: var(--surface);
  transition: background 0.15s;
  font-family: 'Vazirmatn', Tahoma, sans-serif !important;
}

[data-theme="dark"] .speed-compare-table td {
  background: #0b1121;
  border-bottom-color: var(--border-dark);
  color: #cbd5e1;
}

.speed-compare-table tr:last-child td {
  border-bottom: none;
}

.speed-compare-table tr:hover td {
  background: rgba(0, 169, 202, 0.04);
}

.speed-compare-table .time-col {
  font-weight: 700;
  direction: ltr;
  text-align: left;
  color: var(--blue-primary);
  font-family: 'JetBrains Mono', monospace !important;
}

[data-theme="dark"] .speed-compare-table .time-col {
  color: var(--cyan-bright);
}

/* اصلاح نمایش تگ‌های فرمول و کد در بخش راهنما و پرسش‌ها */
.tool-guide-card code {
  font-family: 'Vazirmatn', Tahoma, sans-serif !important;
  direction: rtl !important;
  unicode-bidi: embed;
  display: inline-block;
  background: rgba(0, 169, 202, 0.08);
  color: var(--blue-primary);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid rgba(0, 169, 202, 0.2);
  letter-spacing: 0 !important;
  word-spacing: normal !important;
  font-size: 13.5px;
}

[data-theme="dark"] .tool-guide-card code {
  background: rgba(0, 169, 202, 0.15);
  color: var(--cyan-bright);
  border-color: rgba(0, 169, 202, 0.35);
}