/* Resets & base elements */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  padding: 0 0 80px; /* leave space for bottom navbar */
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: var(--page-bg);
  color: var(--text-color);
}

button,
input,
textarea {
  font: inherit;
}

/* Form inputs - Material UI inspired */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
textarea {
  width: 100%;
  padding: var(--input-padding, 16.5px 14px);
  font-size: 16px;
  line-height: 1.5;
  color: var(--input-text);
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--input-radius);
  transition: border-color var(--input-transition),
              box-shadow var(--input-transition);
  outline: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
textarea:focus {
  border-color: var(--input-border-focus);
  box-shadow: 0 0 0 1px var(--input-border-focus);
}

input[type="text"]::placeholder,
input[type="email"]::placeholder,
input[type="password"]::placeholder,
textarea::placeholder {
  color: var(--input-label);
  opacity: 1;
}

/* focus-visible for accessibility */
input:focus-visible, textarea:focus-visible, select:focus-visible, .dropzone:focus-visible, .btn:focus-visible {
  outline: 3px solid rgba(43, 64, 183, 0.16);
  outline-offset: 2px;
}

/* KYC specific visuals */
.kyc-form-card h2 { margin-bottom: 12px; }
/* Keep standard controls full width except small icon buttons */
.kyc-controls .btn:not(.btn--icon) { width: 100%; }
.kyc-actions { margin-top: 12px; }

/* Icon buttons (small rounded, Material-like) */
.btn--icon {
  width: 40px;
  height: 40px;
  min-width: 0;
  padding: 0;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--input-border);
  box-shadow: 0 6px 18px rgba(43,64,183,0.04);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

.btn--icon:hover {
  background-color: rgba(0,0,0,0.04);
  box-shadow: 0 8px 20px rgba(43,64,183,0.06);
  transform: translateY(-1px);
}

.btn--icon:focus-visible {
  outline: 3px solid rgba(43, 64, 183, 0.12);
  outline-offset: 2px;
}

.kyc-back { margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }


/* Buttons - Material UI inspired */
button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--btn-padding);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.02857em;
  border: none;
  border-radius: var(--btn-radius);
  cursor: pointer;
  transition: background-color var(--input-transition),
              box-shadow var(--input-transition),
              transform var(--input-transition);
  outline: none;
  text-decoration: none;
  min-width: 64px;
}

/* Small chip component for badges (Material-like) */
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  background: linear-gradient(180deg, var(--primary-300), var(--primary-700));
  color: var(--on-primary);
  box-shadow: 0 4px 10px rgba(43, 64, 183, 0.12);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.chip-link {
  text-decoration: none;
}

/* Muted chip variant */
.chip--muted {
  background: rgba(0,0,0,0.04);
  color: var(--input-label);
  box-shadow: none;
}

.btn-primary {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  box-shadow: var(--btn-elevation);
}

.btn-primary:hover {
  background-color: var(--btn-primary-hover);
  box-shadow: var(--btn-elevation-hover);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0px 1px 2px 0px rgba(0, 0, 0, 0.2);
}

/* Form helper / error states */
.helper-text {
  font-size: 12px;
  color: var(--input-helper-text);
  margin-top: 6px;
}

.field-error {
  font-size: 13px;
  color: #d32f2f; /* var(--input-border-error) */
  margin-top: 6px;
  min-height: 18px;
}

/* Dropzone for file uploads */
.dropzone {
  border: 1px dashed rgba(0,0,0,0.08);
  border-radius: 10px;
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: var(--surface-input);
}

.dropzone:focus {
  outline: 2px solid rgba(43, 64, 183, 0.12);
}

.dropzone--dragover {
  background: linear-gradient(180deg, rgba(59,130,246,0.04), rgba(59,130,246,0.02));
  border-color: var(--primary-300);
}

.dropzone__preview {
  max-width: 100%;
  max-height: 120px;
  display: block;
  border-radius: 6px;
}

.dropzone__meta {
  font-size: 13px;
  color: var(--input-label);
  margin-top: 6px;
  text-align: center;
}

/* Small accessible utility */
.sr-only {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden; clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

/* Toast / snackbar */
.toast-container {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: #111;
  color: #fff;
  padding: 10px 14px;
  border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.18);
  transform: translateY(12px);
  opacity: 0;
  transition: transform 240ms ease, opacity 240ms ease;
}

.toast--show { transform: translateY(0); opacity: 1; }

.toast--success { background: linear-gradient(90deg, rgba(34,197,94,1), rgba(16,185,129,1)); }
.toast--error { background: linear-gradient(90deg, rgba(239,68,68,1), rgba(220,38,38,1)); }

/* Gentle entrance for cards */
.fade-up {
  animation: fadeUp 320ms var(--ease) both;
}

@keyframes fadeUp {
  from { transform: translateY(6px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Enlarge + lift hover effect for interactive/display elements */
.btn,
.chip,
.balance-item,
.profile-card,
.logout-illustration,
.auth-illustration img,
.logout-confirm,
.profile-avatar,
.bottom-nav__item {
  transition: transform var(--transition), box-shadow var(--transition);
  will-change: transform;
  cursor: pointer;
}

.btn:hover,
.chip:hover,
.balance-item:hover,
.profile-card:hover,
.logout-illustration:hover,
.auth-illustration img:hover,
.logout-confirm:hover,
.profile-avatar:hover,
.bottom-nav__item:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.btn-secondary {
  background-color: transparent;
  color: var(--btn-text-color);
  border: 1px solid var(--input-border);
  box-shadow: none;
  padding: var(--btn-padding);
}

.btn-secondary:hover {
  background-color: rgba(0, 0, 0, 0.04);
}

.btn-text {
  background-color: transparent;
  color: var(--btn-text-color);
  box-shadow: none;
}

.btn-text:hover {
  background-color: rgba(0, 0, 0, 0.04);
  color: var(--btn-text-hover);
}

/* Checkbox - Material UI inspired */
input[type="checkbox"] {
  width: var(--checkbox-size);
  height: var(--checkbox-size);
  margin: 0;
  cursor: pointer;
  appearance: none;
  border: 2px solid var(--checkbox-border);
  border-radius: 2px;
  position: relative;
  transition: border-color var(--input-transition),
              background-color var(--input-transition);
}

input[type="checkbox"]:checked {
  background-color: var(--checkbox-color);
  border-color: var(--checkbox-color);
}

input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

input[type="checkbox"]:focus {
  outline: 2px solid var(--checkbox-color);
  outline-offset: 2px;
}

/* Labels */
label {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--input-label);
  margin-bottom: 4px;
}

label.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
  margin-bottom: 0;
}

/* Password field with toggle - Material UI inspired */
.password-field-wrapper {
  position: relative;
  width: 100%;
}

.password-field-wrapper input {
  padding-right: 48px; /* Space for 40px button + 8px spacing */
}

.password-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--input-label);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
}

.password-toggle:hover {
  background-color: rgba(0, 0, 0, 0.04);
  color: var(--input-text);
}

.password-toggle:focus {
  background-color: rgba(0, 0, 0, 0.08);
  color: var(--primary-500);
}

.password-toggle:active {
  background-color: rgba(0, 0, 0, 0.12);
}

.password-toggle svg {
  width: 20px;
  height: 20px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Material UI ripple effect on hover */
.password-toggle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.12;
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease;
}

.password-toggle:hover::before {
  width: 40px;
  height: 40px;
}

/* Date input - Material UI inspired */
input[type="date"] {
  width: 100%;
  padding: var(--input-padding, 16.5px 14px);
  font-size: 16px;
  line-height: 1.5;
  color: var(--input-text);
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--input-radius);
  transition: border-color var(--input-transition),
              box-shadow var(--input-transition);
  outline: none;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

input[type="date"]:focus {
  border-color: var(--input-border-focus);
  box-shadow: 0 0 0 1px var(--input-border-focus);
}

input[type="date"]::placeholder {
  color: var(--input-label);
  opacity: 1;
}

/* Webkit browsers (Chrome, Safari, Edge) */
input[type="date"]::-webkit-calendar-picker-indicator {
  background: transparent;
  bottom: 0;
  color: transparent;
  cursor: pointer;
  height: auto;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
  width: auto;
}

input[type="date"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  display: none;
}

/* Firefox */
input[type="date"]::-moz-focus-inner {
  border: 0;
}

input[type="date"]::-webkit-datetime-edit-text {
  color: var(--input-text);
  padding: 0 0.3em;
}

input[type="date"]::-webkit-datetime-edit-month-field {
  color: var(--input-text);
}

input[type="date"]::-webkit-datetime-edit-day-field {
  color: var(--input-text);
}

input[type="date"]::-webkit-datetime-edit-year-field {
  color: var(--input-text);
}

/* Date field wrapper with calendar icon */
.date-field-wrapper {
  position: relative;
  width: 100%;
}

.date-field-wrapper input[type="date"] {
  padding-right: 48px; /* Space for calendar icon */
}

.calendar-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  color: var(--input-label);
  pointer-events: none;
  transition: color var(--input-transition);
}

.date-field-wrapper:focus-within .calendar-icon {
  color: var(--input-border-focus);
}

/* Links */
a {
  color: var(--primary-500);
  text-decoration: none;
  transition: color var(--input-transition);
}

a:hover {
  color: var(--primary-700);
  text-decoration: underline;
}