:root {
  --primary: #007aff;
  --primary-dark: #005bbb;
  --danger: #ff3b30;
  --bg: #f5f6fa;
  --card-bg: #fff;
  --text: #1c1c1e;
  --border: #ddd;
  --shadow: rgba(0, 0, 0, 0.08);
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

body, .header, .card-row, .totals, .modal-content {
  transition: background 0.3s ease, color 0.3s ease;
}

[data-theme="dark"] {
  --bg: #121212;
  --card-bg: #1e1e1e;
  --text: #f5f5f5;
  --border: #333;
  --shadow: rgba(255, 255, 255, 0.05);

  /* Inputs & Controls */
  color-scheme: dark;
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background: #2a2a2a;
  color: #fff;
  border-color: #444;
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] select,
[data-theme="dark"] textarea::placeholder {
  color: #bbb;
}

[data-theme="dark"] .card-row {
  background: #1c1c1c;
  border-color: #333;
}

[data-theme="dark"] .totals {
  background: #1b1b1b;
  border-color: #333;
  box-shadow: 0 4px 10px rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .modal-content {
  background: #1e1e1e;
  border: 1px solid #333;
}

[data-theme="dark"] .close-btn {
  background: var(--primary-dark);
}

[data-theme="dark"] .close-btn:hover {
  background: #0062d1;
}

[data-theme="dark"] .percentages label {
	color: #aaa;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

.header {
  background: #fff;
  padding: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 2px 5px var(--shadow);
  position: sticky;
  top: 0;
  z-index: 10;
  transition: background 0.3s, box-shadow 0.3s;
}

/* Header in Dark Mode */
[data-theme="dark"] .header {
  background: #1b1b1b;
  box-shadow: 0 2px 6px rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .settings-btn {
  color: #fff;
}

.logo {
  height: 50px;
  width: auto;
  transition: opacity 0.3s ease-in-out;
}

@media (max-width: 600px) {
  .logo {
    height: 40px;
  }
}

.container {
  max-width: 700px;
  margin: 0 auto;
  padding: 16px;
}

.percentages {
  display: flex;
  justify-content: space-around;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: nowrap; /* always one row */
}

.percentages label {
  flex: 1;
  display: flex;
  flex-direction: column;
  font-size: 1rem;
  color: #333;
}

.percentages input {
  margin-top: 6px;
  padding: 12px;
  font-size: 1.1rem;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  box-shadow: 0 2px 4px var(--shadow);
  width: 100%;
}

/* Card rows */
.card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  box-shadow: 0 2px 6px var(--shadow);
}

.card-row input[type="text"],
.card-row input[type="number"] {
  flex: 1;
  padding: 12px;
  font-size: 1.1rem;
  border: none;
  outline: none;
  background: transparent;
}

.card-row button {
  background: var(--danger);
  color: white;
  border: none;
  font-size: 1.6rem;
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  flex-shrink: 0;
}

.card-row button:hover {
  opacity: 0.8;
}

.card-field {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.card-field label {
  font-size: 0.8rem;
  color: #aaa;
  margin-bottom: 4px;
}

.card-field input {
  padding: 10px;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  width: 100%;
}

.card-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: 0 2px 6px var(--shadow);
}

.card-row input {
  padding: 12px;
  font-size: 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}

.delete-btn {
  background: var(--danger);
  color: white;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  padding: 12px 14px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.1s;
}

.delete-btn:hover {
  background: #e12b22;
  transform: scale(1.05);
}

.delete-btn .icon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
}

/* Add Card Button */
#addCardBtn {
  position: sticky;
  bottom: 80px;
  width: 100%;
  background: var(--primary);
  color: white;
  font-size: 1.2rem;
  padding: 16px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  box-shadow: 0 4px 8px var(--shadow);
  transition: background 0.2s;
}

#addCardBtn:hover {
  background: var(--primary-dark);
}

/* Totals Section */
.totals {
  background: linear-gradient(180deg, #ffffff 0%, #f9faff 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  margin-top: 30px;
  text-align: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.totals:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

.totals div {
  margin: 10px 0;
}

/* Emphasis on important numbers */
.totals strong,
.totals span {
  font-weight: 600;
}

.totals .market {
  color: var(--primary-dark);
  font-size: 1.25rem;
}

.totals .trade {
  color: #007aff;
}

.totals .cash {
  color: var(--danger);
}

.footer {
  text-align: center;
  padding: 10px;
  font-size: 0.9rem;
  color: #777;
  margin-bottom: 100px;
}

.icon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
}

#addCardBtn .icon {
  margin-right: 8px;
}

.delete-btn .icon {
  width: 18px;
  height: 18px;
}

#addCardBtn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--primary);
  color: white;
  font-size: 1.1rem;
  padding: 14px 18px;
  border: none;
  border-radius: var(--radius);
  box-shadow: 0 4px 8px var(--shadow);
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

#addCardBtn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

/* ===== Settings Modal ===== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: 20px;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 400px;
  width: 100%;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.modal-content h2 {
  margin-bottom: 16px;
  font-size: 1.4rem;
  color: var(--primary-dark);
}

.setting {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 14px 0;
}

.setting label {
  font-size: 1rem;
}

#currencySelect {
  font-size: 1rem;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.close-btn {
  margin-top: 20px;
  width: 100%;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  padding: 12px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

.close-btn:hover {
  background: var(--primary-dark);
}

/* Settings gear button */
.settings-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  color: var(--primary);
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
}

.settings-btn:hover {
  opacity: 0.8;
}

/* ===== Modern Toggle Switch ===== */
.toggle {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  border-radius: 26px;
  transition: background-color 0.3s;
}

.slider::before {
  content: "";
  position: absolute;
  height: 22px;
  width: 22px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  border-radius: 50%;
  transition: transform 0.3s;
}

/* When checked */
.toggle input:checked + .slider {
  background-color: var(--primary);
}

.toggle input:checked + .slider::before {
  transform: translateX(22px);
}

/* Hover feedback */
.slider:hover {
  background-color: #bcbcbc;
}

/* === Reset / Danger Button === */
.danger-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  margin-top: 12px;
  background: var(--danger);
  color: #fff;
  font-size: 1.05rem;
  padding: 14px 18px;
  border: none;
  border-radius: var(--radius);
  box-shadow: 0 4px 8px rgba(255, 59, 48, 0.25);
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}

.danger-btn:hover {
  background: #e0352b;
  transform: translateY(-1px);
}

.danger-btn:active {
  transform: translateY(0);
}

/* Dark mode toggle appearance in dark theme */
[data-theme="dark"] .slider {
  background-color: #444;
}

[data-theme="dark"] .toggle input:checked + .slider {
  background-color: var(--primary);
}

/* === Inputs with trailing symbol (€, %) === */
.input-with-symbol {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.input-with-symbol input {
  width: 100%;
  padding: 12px 40px 12px 12px;  /* leave space for symbol on right */
  font-size: 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card-bg);
  color: var(--text);
  box-shadow: 0 2px 4px var(--shadow);
  transition: border-color 0.2s, background 0.2s;
}

.input-with-symbol input:focus {
  border-color: var(--primary);
  outline: none;
}

.input-with-symbol .symbol {
  position: absolute;
  right: 12px;
  color: var(--text-secondary, #888);
  font-size: 1rem;
  pointer-events: none; /* can't click it */
}

/* Dark-mode variant */
[data-theme="dark"] .input-with-symbol input {
  background: #2a2a2a;
  border-color: #444;
  color: #fff;
}

[data-theme="dark"] .input-with-symbol .symbol {
  color: #bbb;
}

/* === Hide number input spinners (Chrome, Safari, Edge, Opera) === */
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* === Hide number input spinners (Firefox) === */
input[type=number] {
  -moz-appearance: textfield;
  appearance: textfield; /* modern browsers */
}

/* === Customer Tabs === */
.customer-tabs {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.customer-tabs .tab {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.customer-tabs .tab.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 2px 6px rgba(0, 122, 255, 0.3);
}

.customer-tabs .tab.add-tab {
  background: var(--bg);
  color: var(--primary);
  border-style: dashed;
}

.customer-tabs .tab.add-tab:hover {
  background: var(--primary);
  color: #fff;
}

[data-theme="dark"] .customer-tabs .tab {
  background: #2a2a2a;
  border-color: #444;
}

[data-theme="dark"] .customer-tabs .tab.active {
  background: var(--primary);
  color: #fff;
}

#exportPdfBtn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--primary);
  color: white;
  font-size: 1.1rem;
  padding: 14px 18px;
  border: none;
  border-radius: var(--radius);
  box-shadow: 0 4px 8px var(--shadow);
  cursor: pointer;
  margin-top: 16px; /* add a bit of spacing */
  width: auto;
  transition: background 0.2s, transform 0.1s;
  margin: 0 auto;
}

#exportPdfBtn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

#exportPdfBtn:active {
  transform: translateY(0);
}

/* Mobile Tweaks */
@media (max-width: 600px) {
  .percentages {
    flex-wrap: nowrap; /* keep side by side even on mobile */
    gap: 8px;
  }

  .percentages label {
    font-size: 0.9rem;
  }
	
  .percentages input {
    font-size: 1rem;
    padding: 10px;
  }

  .card-row {
    flex-wrap: nowrap; /* force single row */
    align-items: flex-end;
    gap: 8px;
  }
	
  .card-field label {
    font-size: 0.7rem;
  }

  .card-field input {
    padding: 8px;
    font-size: 0.9rem;
  }

  .delete-btn {
    font-size: 1.2rem;
    padding: 8px 10px;
  }
}