:root {
  --bg: #f5f7fb;
  --card: rgba(255, 255, 255, .92);
  --text: #152033;
  --muted: #66758c;
  --border: #dbe3ef;
  --shadow: 0 10px 30px rgba(16, 24, 40, .08);
  --primary: #1a237e;
  --primary-2: #3949ab;
  --secondary: #d32f2f;
  --success: #2e7d32;
  --warning: #b45309;
  --radius: 18px;
}

:root[data-theme="dark"] {
  --bg: #0b1220;
  --card: rgba(17, 24, 39, .92);
  --text: #e8eefb;
  --muted: #9ca8bb;
  --border: #273248;
  --shadow: 0 16px 40px rgba(0, 0, 0, .35);
  --primary: #7c8cff;
  --primary-2: #9f7aea;
  --secondary: #fb7185;
  --success: #4ade80;
  --warning: #f59e0b;
}

* {
  box-sizing: border-box
}

html,
body {
  margin: 0;
  padding: 0
}

body {
  font-family: Inter, "Segoe UI", Tahoma, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(124, 140, 255, .16), transparent 35%),
    radial-gradient(circle at top right, rgba(251, 113, 133, .10), transparent 30%),
    var(--bg);
  color: var(--text);
  padding: 14px;
}

a {
  color: inherit;
  text-decoration: none
}

.container {
  max-width: 1200px;
  margin: 0 auto
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap
}

.brand h1 {
  margin: 0;
  color: var(--primary);
  font-size: 1.45rem
}

.brand .subtitle {
  color: var(--muted);
  font-size: .92rem;
  margin-top: 4px
}

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .6);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  font-size: .92rem
}

[data-theme="dark"] .pill {
  background: rgba(17, 24, 39, .72)
}

.btn {
  border: 0;
  border-radius: 12px;
  padding: 11px 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform .12s ease, opacity .12s ease, background .12s ease;
}

.btn:hover {
  transform: translateY(-1px)
}

.btn:active {
  transform: translateY(0);
  opacity: .95
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border)
}

.btn-danger {
  background: transparent;
  color: var(--secondary);
  border: 1px solid color-mix(in srgb, var(--secondary) 35%, var(--border))
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #66bb6a);
  color: #fff;
  border: none;
}

.btn-add {
  background: color-mix(in srgb, var(--success) 12%, transparent);
  color: var(--success);
  border: 1px solid color-mix(in srgb, var(--success) 30%, var(--border));
}

.btn-add:hover {
  background: color-mix(in srgb, var(--success) 20%, transparent);
}

.btn-quote {
  background: linear-gradient(135deg, #e65100, #ff8f00);
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 6px
}

/* ── Language Toggle Pill ── */
.lang-toggle-pill {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--border) 50%, transparent);
  border: 1px solid var(--border);
  overflow: hidden;
}

.lang-opt {
  border: none;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  font-size: .85rem;
  padding: 7px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all .25s cubic-bezier(.4, 0, .2, 1);
  letter-spacing: .5px;
  position: relative;
}

.lang-opt:hover:not(.active) {
  color: var(--text);
  background: color-mix(in srgb, var(--border) 40%, transparent);
}

.lang-opt.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  box-shadow: 0 2px 8px rgba(124, 140, 255, .35);
}

[data-theme="dark"] .lang-toggle-pill {
  background: rgba(255, 255, 255, .06);
}

/* ── 2-State iOS Toggle ── */
.ios-toggle-slider {
    position: relative;
    display: inline-flex;
    background: color-mix(in srgb, var(--border) 60%, transparent);
    border-radius: 20px;
    padding: 3px;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}
.ios-toggle-slider input[type="radio"] {
    display: none;
}
.ios-toggle-slider label {
    position: relative;
    z-index: 2;
    width: 80px;
    padding: 6px 0;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--muted);
    cursor: pointer;
    text-align: center;
    transition: color 0.3s ease;
    user-select: none;
}
.ios-toggle-slider .thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 80px;
    height: calc(100% - 6px);
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    transition: transform 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    z-index: 1;
}

[data-theme="dark"] .ios-toggle-slider .thumb {
    background: var(--surface);
}

.ios-toggle-slider input[id="mode-standard"]:checked ~ label[for="mode-standard"],
.ios-toggle-slider input[id="mode-custom"]:checked ~ label[for="mode-custom"] {
    color: var(--text);
}

.ios-toggle-slider input[id="mode-standard"]:checked ~ .thumb {
    transform: translateX(0);
}
.ios-toggle-slider input[id="mode-custom"]:checked ~ .thumb {
    transform: translateX(80px);
}

.card {
  background: var(--card);
  backdrop-filter: blur(14px);
  border: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px
}

.tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  margin-bottom: 16px
}

.tab-btn {
  white-space: nowrap;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .86);
  color: var(--text);
  border-radius: 999px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 700
}

[data-theme="dark"] .tab-btn {
  background: rgba(255, 255, 255, .03)
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  border-color: transparent
}

.mode-toggle {
  display: inline-flex;
  gap: 4px;
  background: color-mix(in srgb, var(--border) 40%, transparent);
  padding: 4px;
  border-radius: 12px;
  margin-bottom: 14px
}

.mode-toggle button {
  border: none;
  background: transparent;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all .2s ease
}

.mode-toggle button.active {
  background: var(--card);
  color: var(--primary);
  box-shadow: var(--shadow)
}

.grid-main {
  display: grid;
  grid-template-columns: 1.02fr 1.18fr;
  gap: 18px;
  align-items: start
}

.field {
  margin-bottom: 14px
}

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 700;
  color: var(--text);
  font-size: .95rem
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 11px 12px;
  background: rgba(255, 255, 255, .9);
  color: var(--text);
  font-size: 1rem;
  outline: none
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background: rgba(15, 23, 42, .82)
}

input:focus,
select:focus,
textarea:focus {
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
  box-shadow: 0 0 0 3px rgba(124, 140, 255, .12)
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px
}

.result {
  background: linear-gradient(180deg, rgba(255, 255, 255, .95), rgba(250, 252, 255, .92));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px
}

[data-theme="dark"] .result {
  background: linear-gradient(180deg, rgba(17, 24, 39, .95), rgba(17, 24, 39, .82))
}

.result-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  font-size: .98rem
}

.result-row.bg-highlight {
  background: color-mix(in srgb, var(--primary) 8%, transparent);
  padding: 10px;
  border-radius: 8px;
  margin-top: 4px;
}

.result-row:last-child {
  border-bottom: 0
}

.result-row b {
  text-align: right
}

.result-total {
  margin-top: 10px;
  padding-top: 12px;
  border-top: 3px double var(--secondary);
  color: var(--secondary);
  font-size: 1.5rem;
  font-weight: 800;
  text-align: right
}

.result-note {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
  padding: 12px;
  background: color-mix(in srgb, var(--secondary) 10%, transparent);
  border-left: 3px solid var(--secondary);
  border-radius: 6px;
}

.result-note b {
  color: var(--secondary);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--success) 16%, transparent);
  color: var(--success);
  font-size: .86rem;
  font-weight: 700;
  margin-bottom: 10px
}

.badge.warn {
  background: color-mix(in srgb, var(--warning) 18%, transparent);
  color: var(--warning)
}

.small-muted {
  color: var(--muted);
  font-size: .9rem
}

.panel {
  margin-top: 18px;
  padding: 24px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
  display: none;
  transition: all 0.3s ease;
}

.edit-mode-active .panel {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 10%, transparent);
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border);
}

.table-wrap {
  overflow-x: auto
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1600px
}

th,
td {
  border: 1px solid color-mix(in srgb, var(--border) 85%, transparent);
  padding: 8px;
  text-align: center;
  font-size: .88rem;
  white-space: nowrap;
}

th {
  background: color-mix(in srgb, var(--bg) 85%, var(--card));
  position: sticky;
  top: 0;
  z-index: 10;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.75rem;
  color: var(--muted);
  border-bottom: 2px solid var(--border);
}

tr:nth-child(even) {
  background: color-mix(in srgb, var(--bg) 30%, transparent);
}

tr:hover {
  background: color-mix(in srgb, var(--primary) 5%, transparent);
}

td input,
td select {
  width: 100%;
  min-width: 80px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: .9rem;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text);
  transition: all 0.2s ease;
}

td input:not(:disabled),
td select:not(:disabled) {
  background: var(--bg);
  border-color: var(--border);
}

td input:not(:disabled):focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent);
}

td input:disabled {
  cursor: default;
  opacity: 0.9;
}

/* Specific widths for certain columns */
td input[data-field="name"] { min-width: 150px; }
td input[data-field="material"] { min-width: 150px; }
td input[data-field="maintenance"] { min-width: 100px; }
td input[data-field="ingress_protection"] { min-width: 80px; }
td input[data-field="video_support"] { min-width: 100px; }
td input[data-field="display_type"] { min-width: 150px; }
td input[data-field="processing_depth"] { min-width: 100px; }
td input[data-field="led_type"] { min-width: 80px; }
td input[data-field="beam_angle"] { min-width: 100px; }
td input[data-field="color_temperature"] { min-width: 120px; }

.mini-btn {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer
}

.mini-btn.delete {
  color: var(--secondary);
  border-color: color-mix(in srgb, var(--secondary) 38%, var(--border))
}

.mini-btn.add {
  color: var(--success);
  border-color: color-mix(in srgb, var(--success) 38%, var(--border))
}

.footer-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  flex-wrap: wrap;
  margin-top: 14px
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, .55);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  z-index: 9999
}

.modal-box {
  width: min(420px, 100%);
  background: var(--card);
  border-radius: 22px;
  box-shadow: 0 22px 80px rgba(0, 0, 0, .22);
  border: 1px solid var(--border);
  padding: 22px
}

@media (max-width:920px) {
  .grid-main {
    grid-template-columns: 1fr
  }
}

@media (max-width:600px) {
  body {
    padding: 8px
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .card {
    padding: 12px
  }

  .row {
    grid-template-columns: 1fr
  }

  .result {
    padding: 12px;
  }

  .result-row {
    font-size: 0.92rem;
    padding: 8px 0;
  }

  .result-total {
    font-size: 1.3rem;
    margin-top: 8px;
  }

  .brand h1 {
    font-size: 1.15rem
  }

  .login-card {
    margin: 40px auto;
    padding: 25px 20px;
  }
}

@media (max-width:400px) {
  .result-row {
    flex-direction: column;
    gap: 2px;
  }
  .result-row b {
    text-align: left;
  }
}

/* Login Page */
.login-card {
  max-width: 400px;
  margin: 100px auto;
  padding: 40px;
  text-align: center;
}

.login-card h2 {
  margin-bottom: 24px;
  color: var(--primary);
}

.back-home {
  margin-top: 20px;
  display: inline-block;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
}

.back-home:hover {
  color: var(--primary);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

/* Technical Specification Table */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: .85rem;
  border: 2px solid var(--primary);
  margin-bottom: 20px;
}

.spec-table thead th {
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  text-align: center;
  padding: 10px;
  text-transform: uppercase;
}

.spec-table td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  vertical-align: middle;
}

.spec-table tr:nth-child(even) {
  background: color-mix(in srgb, var(--border) 20%, transparent);
}

.spec-table tr.highlight-row {
  background: color-mix(in srgb, var(--warning) 10%, transparent);
}

.spec-table tr.highlight-row td:nth-child(2),
.spec-table tr.highlight-row td:nth-child(4) {
  color: var(--warning);
  font-weight: 800;
}

.unit-sfx {
  font-size: .75rem;
  color: var(--muted);
  margin-left: 4px;
}

[data-theme="dark"] .spec-table thead th {
  background: var(--primary);
}

[data-theme="dark"] .spec-table tr.highlight-row {
  background: rgba(245, 158, 11, 0.15);
}

.welcome-banner {
  text-align: center;
  margin: 10px auto 25px;
  max-width: 800px;
  padding: 15px 25px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.4));
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(31, 38, 135, 0.1);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

[data-theme="dark"] .welcome-banner {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.4));
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.welcome-banner .welcome-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
}

.welcome-banner .welcome-dept {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── iOS-style Toggle Switch ── */
.ios-toggle-wrap {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .55);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .06);
}

[data-theme="dark"] .ios-toggle-wrap {
  background: rgba(17, 24, 39, .6);
}

.ios-toggle-label {
  font-size: .85rem;
  font-weight: 700;
  color: var(--text);
  user-select: none;
  min-width: 62px;
  text-align: right;
}

.ios-toggle {
  position: relative;
  display: inline-block;
  width: 51px;
  height: 31px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.ios-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.ios-toggle-track {
  position: absolute;
  inset: 0;
  background: #e9e9eb;
  border-radius: 999px;
  transition: background .3s cubic-bezier(.4, .0, .2, 1);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .04);
}

[data-theme="dark"] .ios-toggle-track {
  background: #39393d;
}

.ios-toggle-track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 27px;
  height: 27px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 3px 8px rgba(0, 0, 0, .15), 0 1px 1px rgba(0, 0, 0, .06);
  transition: transform .3s cubic-bezier(.4, .0, .2, 1);
}

.ios-toggle input:checked+.ios-toggle-track {
  background: #3632ff;
}

[data-theme="dark"] .ios-toggle input:checked+.ios-toggle-track {
  background: #3632ff;
}

.ios-toggle input:checked+.ios-toggle-track::after {
  transform: translateX(20px);
}

.ios-toggle:active .ios-toggle-track::after {
  width: 33px;
}

.ios-toggle:active input:checked+.ios-toggle-track::after {
  transform: translateX(14px);
}

/* Toggle Switch */
.switch-container {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  background: color-mix(in srgb, var(--border) 40%, transparent);
  padding: 6px 12px;
  border-radius: 999px;
}

.switch-label {
  font-weight: 700;
  transition: color 0.3s ease;
}

.switch-box {
  position: relative;
  width: 44px;
  height: 24px;
  background-color: color-mix(in srgb, var(--border) 100%, transparent);
  border-radius: 999px;
  transition: all .3s ease;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.switch-box::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background-color: white;
  border-radius: 50%;
  transition: all .3s cubic-bezier(0.4, 0.0, 0.2, 1);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

input[type="checkbox"].switch-input {
  display: none;
}

input[type="checkbox"].switch-input:checked+.switch-box {
  background-color: var(--primary);
}

input[type="checkbox"].switch-input:checked+.switch-box::after {
  transform: translateX(20px);
}