/**
 * Shrisha Forms - Frontend Stylesheet
 * Version: 1.0.0
 */

/* =============================================
   CSS CUSTOM PROPERTIES
   ============================================= */
:root {
  --sf-primary: #667eea;
  --sf-primary-dark: #5a67d8;
  --sf-secondary: #764ba2;
  --sf-success: #2ecc71;
  --sf-error: #e74c3c;
  --sf-warning: #f39c12;
  --sf-text: #2d3748;
  --sf-text-light: #718096;
  --sf-border: #e2e8f0;
  --sf-border-focus: #667eea;
  --sf-bg: #ffffff;
  --sf-bg-input: #f7fafc;
  --sf-radius: 8px;
  --sf-radius-sm: 4px;
  --sf-radius-lg: 12px;
  --sf-shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --sf-shadow-focus: 0 0 0 3px rgba(102,126,234,.25);
  --sf-shadow-lg: 0 10px 25px rgba(0,0,0,.1);
  --sf-transition: 200ms ease;
  --sf-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  --sf-label-size: 14px;
  --sf-input-size: 15px;
  --sf-input-height: 44px;
  --sf-input-padding: 10px 14px;
  --sf-column-gap: 16px;
  --sf-row-gap: 16px;
  --sf-btn-bg: linear-gradient(135deg, #667eea, #764ba2);
  --sf-btn-color: #ffffff;
  --sf-btn-radius: 8px;
  --sf-btn-height: 48px;
}

/* =============================================
   RESET & BASE
   ============================================= */
.sf-form-wrapper,
.sf-form-wrapper * {
  box-sizing: border-box;
}

.sf-form-wrapper {
  font-family: var(--sf-font);
  color: var(--sf-text);
  line-height: 1.5;
}

/* =============================================
   FORM
   ============================================= */
.sf-form {
  background: var(--sf-bg);
  border-radius: var(--sf-radius-lg);
  position: relative;
}

.sf-form__fields {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sf-row-gap) var(--sf-column-gap);
}

/* =============================================
   FORM ROW (width control)
   ============================================= */
.sf-form-row {
  width: 100%;
  min-width: 0;
}

.sf-form-row--25  { width: calc(25% - var(--sf-column-gap) * .75); }
.sf-form-row--33  { width: calc(33.333% - var(--sf-column-gap) * .667); }
.sf-form-row--50  { width: calc(50% - var(--sf-column-gap) * .5); }
.sf-form-row--66  { width: calc(66.666% - var(--sf-column-gap) * .333); }
.sf-form-row--75  { width: calc(75% - var(--sf-column-gap) * .25); }
.sf-form-row--100 { width: 100%; }

/* =============================================
   FIELD WRAPPER
   ============================================= */
.sf-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sf-field__label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--sf-label-size);
  font-weight: 500;
  color: var(--sf-text);
  cursor: default;
  line-height: 1.4;
}

.sf-required-mark {
  color: var(--sf-error);
  font-size: 13px;
  margin-left: 2px;
}

.sf-field__control-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.sf-field__control-wrap--has-prefix .sf-field__input { padding-left: 40px; }
.sf-field__control-wrap--has-suffix .sf-field__input { padding-right: 40px; }
.sf-field__control-wrap--has-icon .sf-field__input   { padding-left: 42px; }

.sf-field__prefix,
.sf-field__suffix {
  position: absolute;
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 12px;
  color: var(--sf-text-light);
  font-size: var(--sf-input-size);
  pointer-events: none;
  user-select: none;
  background: var(--sf-bg-input);
  border: 1px solid var(--sf-border);
  top: 0;
}

.sf-field__prefix {
  left: 0;
  border-right: none;
  border-radius: var(--sf-radius) 0 0 var(--sf-radius);
}

.sf-field__suffix {
  right: 0;
  border-left: none;
  border-radius: 0 var(--sf-radius) var(--sf-radius) 0;
}

.sf-field__icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--sf-text-light);
  pointer-events: none;
  z-index: 1;
  font-size: 16px;
}

/* =============================================
   INPUTS
   ============================================= */
.sf-field__input,
.sf-field__textarea,
.sf-field__select {
  width: 100%;
  height: var(--sf-input-height);
  padding: var(--sf-input-padding);
  font-family: var(--sf-font);
  font-size: var(--sf-input-size);
  color: var(--sf-text);
  background: var(--sf-bg-input);
  border: 1.5px solid var(--sf-border);
  border-radius: var(--sf-radius);
  outline: none;
  transition: border-color var(--sf-transition), box-shadow var(--sf-transition), background var(--sf-transition);
  -webkit-appearance: none;
  appearance: none;
}

.sf-field__textarea {
  height: auto;
  min-height: 120px;
  resize: vertical;
}

.sf-field__select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23718096' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.sf-field__input:focus,
.sf-field__textarea:focus,
.sf-field__select:focus {
  border-color: var(--sf-border-focus);
  background: var(--sf-bg);
  box-shadow: var(--sf-shadow-focus);
}

.sf-field__input:disabled,
.sf-field__textarea:disabled,
.sf-field__select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.sf-field__input::placeholder,
.sf-field__textarea::placeholder {
  color: var(--sf-text-light);
  opacity: 1;
}

/* Error state */
.sf-field--error .sf-field__input,
.sf-field--error .sf-field__textarea,
.sf-field--error .sf-field__select {
  border-color: var(--sf-error);
  box-shadow: 0 0 0 3px rgba(231,76,60,.15);
}

/* =============================================
   HELP TEXT & ERROR
   ============================================= */
.sf-field__help {
  font-size: 12px;
  color: var(--sf-text-light);
  margin: 0;
  line-height: 1.4;
}

.sf-field__error {
  font-size: 12px;
  color: var(--sf-error);
  font-weight: 500;
  min-height: 16px;
  line-height: 1.4;
}

/* =============================================
   FLOATING LABEL
   ============================================= */
.sf-field--floating {
  position: relative;
}

.sf-field--floating .sf-field__label {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--sf-input-size);
  color: var(--sf-text-light);
  pointer-events: none;
  transition: all var(--sf-transition);
  z-index: 2;
  margin: 0;
  padding: 0 4px;
  background: transparent;
}

.sf-field--floating .sf-field__input:focus ~ .sf-field__label,
.sf-field--floating .sf-field__input:not(:placeholder-shown) ~ .sf-field__label,
.sf-field--floating.sf-field--filled .sf-field__label {
  top: 0;
  font-size: 11px;
  color: var(--sf-primary);
  background: var(--sf-bg);
}

/* =============================================
   CHECKBOX & RADIO
   ============================================= */
.sf-checkbox-group,
.sf-radio-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sf-checkbox-group--inline,
.sf-radio-group--inline {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 12px 20px;
}

.sf-checkbox-label,
.sf-radio-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: var(--sf-input-size);
  user-select: none;
}

.sf-field__checkbox,
.sf-field__radio {
  width: 18px;
  height: 18px;
  min-width: 18px;
  border: 2px solid var(--sf-border);
  background: var(--sf-bg);
  cursor: pointer;
  transition: all var(--sf-transition);
  -webkit-appearance: none;
  appearance: none;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sf-field__checkbox { border-radius: var(--sf-radius-sm); }
.sf-field__radio    { border-radius: 50%; }

.sf-field__checkbox:checked,
.sf-field__radio:checked {
  background: var(--sf-primary);
  border-color: var(--sf-primary);
}

.sf-field__checkbox:checked::after {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translate(-1px, -1px);
}

.sf-field__radio:checked::after {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
}

.sf-field__checkbox:focus,
.sf-field__radio:focus {
  outline: none;
  box-shadow: var(--sf-shadow-focus);
}

/* =============================================
   RATING
   ============================================= */
.sf-rating {
  display: flex;
  flex-direction: row-reverse;
  gap: 4px;
  justify-content: flex-end;
}

.sf-rating__item {
  cursor: pointer;
  font-size: 28px;
  color: var(--sf-border);
  transition: color var(--sf-transition), transform var(--sf-transition);
}

.sf-rating__item:hover,
.sf-rating__item:hover ~ .sf-rating__item,
.sf-rating .sf-rating__radio:checked ~ label,
.sf-rating .sf-rating__radio:checked + label {
  color: #f6ad55;
}

.sf-rating__item:hover { transform: scale(1.1); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}

/* =============================================
   RANGE SLIDER
   ============================================= */
.sf-range-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sf-range-input {
  height: 6px !important;
  width: 100% !important;
  padding: 0 !important;
  background: var(--sf-border) !important;
  border: none !important;
  border-radius: 3px !important;
  cursor: pointer;
  -webkit-appearance: none;
}

.sf-range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--sf-primary);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(102,126,234,.4);
  transition: transform var(--sf-transition);
}

.sf-range-input::-webkit-slider-thumb:hover { transform: scale(1.15); }

.sf-range-labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--sf-text-light);
}

.sf-range-value {
  font-weight: 600;
  color: var(--sf-primary);
  font-size: 14px;
}

/* =============================================
   FILE UPLOAD
   ============================================= */
.sf-file-upload {
  border: 2px dashed var(--sf-border);
  border-radius: var(--sf-radius);
  padding: 24px;
  text-align: center;
  transition: border-color var(--sf-transition), background var(--sf-transition);
  cursor: pointer;
  position: relative;
}

.sf-file-upload:hover,
.sf-file-upload--dragover {
  border-color: var(--sf-primary);
  background: rgba(102,126,234,.04);
}

.sf-file-input {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  overflow: hidden !important;
}

.sf-file-upload__ui {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.sf-file-upload__icon {
  font-size: 32px;
  color: var(--sf-primary);
}

.sf-file-upload__text {
  font-size: 14px;
  font-weight: 500;
  color: var(--sf-text);
}

.sf-file-upload__hint {
  font-size: 12px;
  color: var(--sf-text-light);
}

.sf-file-upload__preview {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sf-file-upload__info {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--sf-text-light);
}

/* =============================================
   IMAGE UPLOAD
   ============================================= */
.sf-image-upload {
  border: 2px dashed var(--sf-border);
  border-radius: var(--sf-radius);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: border-color var(--sf-transition);
}

.sf-image-upload:hover { border-color: var(--sf-primary); }

.sf-image-input {
  position: absolute !important;
  opacity: 0 !important;
  width: 100% !important;
  height: 100% !important;
  cursor: pointer !important;
}

.sf-image-upload__ui {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  gap: 8px;
  color: var(--sf-text-light);
}

.sf-image-upload__icon { font-size: 36px; }

.sf-image-preview img {
  max-width: 200px;
  max-height: 200px;
  object-fit: cover;
  border-radius: var(--sf-radius-sm);
  margin: 8px;
}

/* =============================================
   SIGNATURE PAD
   ============================================= */
.sf-signature-pad {
  border: 1.5px solid var(--sf-border);
  border-radius: var(--sf-radius);
  overflow: hidden;
  background: #fff;
}

.sf-signature-pad__canvas {
  display: block;
  width: 100%;
  height: 200px;
  cursor: crosshair;
  touch-action: none;
}

.sf-signature-pad__controls {
  display: flex;
  justify-content: flex-end;
  padding: 8px 12px;
  border-top: 1px solid var(--sf-border);
  background: var(--sf-bg-input);
}

.sf-signature-pad__clear {
  background: none;
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius-sm);
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
  color: var(--sf-text-light);
  transition: all var(--sf-transition);
}

.sf-signature-pad__clear:hover {
  border-color: var(--sf-error);
  color: var(--sf-error);
}

/* =============================================
   COLOR PICKER
   ============================================= */
.sf-color-picker-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sf-color-input {
  width: 44px !important;
  height: 44px !important;
  padding: 2px !important;
  border-radius: var(--sf-radius) !important;
  cursor: pointer;
  border: 1.5px solid var(--sf-border) !important;
}

.sf-color-picker-preview {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--sf-border);
  display: block;
}

.sf-color-value {
  font-size: 13px;
  font-family: monospace;
  color: var(--sf-text-light);
}

/* =============================================
   PASSWORD STRENGTH
   ============================================= */
.sf-password-strength {
  margin-top: 6px;
}

.sf-password-strength__bar {
  height: 4px;
  border-radius: 2px;
  background: var(--sf-border);
  overflow: hidden;
  position: relative;
}

.sf-password-strength__bar::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: var(--strength, 0%);
  border-radius: 2px;
  background: var(--strength-color, #ccc);
  transition: width 0.3s ease, background 0.3s ease;
}

.sf-password-strength__label {
  font-size: 11px;
  color: var(--sf-text-light);
  margin-top: 4px;
  display: block;
}

/* =============================================
   OTP
   ============================================= */
.sf-otp-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sf-otp-send {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sf-otp-send-btn {
  padding: 8px 16px;
  background: var(--sf-primary);
  color: #fff;
  border: none;
  border-radius: var(--sf-radius);
  font-size: 13px;
  cursor: pointer;
  transition: background var(--sf-transition);
}

.sf-otp-send-btn:hover { background: var(--sf-primary-dark); }
.sf-otp-send-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.sf-otp-countdown {
  font-size: 13px;
  color: var(--sf-text-light);
}

.sf-otp-inputs {
  display: flex;
  gap: 10px;
}

.sf-otp-digit {
  width: 48px;
  height: 56px;
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  border: 2px solid var(--sf-border);
  border-radius: var(--sf-radius);
  outline: none;
  transition: border-color var(--sf-transition);
}

.sf-otp-digit:focus {
  border-color: var(--sf-primary);
  box-shadow: var(--sf-shadow-focus);
}

/* =============================================
   COUPON
   ============================================= */
.sf-coupon-input-group {
  display: flex;
  gap: 8px;
}

.sf-coupon-input {
  flex: 1;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sf-coupon-apply-btn {
  padding: 0 20px;
  background: var(--sf-primary);
  color: #fff;
  border: none;
  border-radius: var(--sf-radius);
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--sf-transition);
}

.sf-coupon-apply-btn:hover { background: var(--sf-primary-dark); }

.sf-coupon-result {
  margin-top: 6px;
  font-size: 13px;
  min-height: 20px;
}

.sf-coupon-result--success { color: var(--sf-success); font-weight: 500; }
.sf-coupon-result--error   { color: var(--sf-error); }

/* =============================================
   QUANTITY
   ============================================= */
.sf-quantity-wrap {
  display: flex;
  align-items: center;
  gap: 0;
  width: fit-content;
}

.sf-quantity-btn {
  width: 40px;
  height: 44px;
  border: 1.5px solid var(--sf-border);
  background: var(--sf-bg-input);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  color: var(--sf-text);
  transition: all var(--sf-transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sf-quantity-btn--minus { border-radius: var(--sf-radius) 0 0 var(--sf-radius); border-right: none; }
.sf-quantity-btn--plus  { border-radius: 0 var(--sf-radius) var(--sf-radius) 0; border-left: none; }
.sf-quantity-btn:hover  { background: var(--sf-primary); color: #fff; border-color: var(--sf-primary); }

.sf-quantity-input {
  width: 64px !important;
  height: 44px !important;
  text-align: center !important;
  border-radius: 0 !important;
  -moz-appearance: textfield;
}

.sf-quantity-input::-webkit-outer-spin-button,
.sf-quantity-input::-webkit-inner-spin-button { -webkit-appearance: none; }

/* =============================================
   TOTAL / CALCULATION
   ============================================= */
.sf-total-wrap,
.sf-calculation-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 16px;
  background: linear-gradient(135deg, rgba(102,126,234,.08), rgba(118,75,162,.08));
  border: 1.5px solid rgba(102,126,234,.2);
  border-radius: var(--sf-radius);
}

.sf-total-symbol,
.sf-calc-prefix {
  font-size: 16px;
  font-weight: 600;
  color: var(--sf-primary);
}

.sf-total-amount,
.sf-calculation-result {
  font-size: 22px;
  font-weight: 700;
  color: var(--sf-text);
}

.sf-total-currency {
  font-size: 13px;
  color: var(--sf-text-light);
  margin-left: 4px;
}

/* =============================================
   PRODUCT LIST
   ============================================= */
.sf-product-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.sf-product-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px;
  border: 2px solid var(--sf-border);
  border-radius: var(--sf-radius);
  cursor: pointer;
  text-align: center;
  transition: all var(--sf-transition);
  min-width: 130px;
  position: relative;
}

.sf-product-item:has(input:checked) {
  border-color: var(--sf-primary);
  background: rgba(102,126,234,.05);
  box-shadow: 0 0 0 2px rgba(102,126,234,.2);
}

.sf-product-item input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.sf-product__img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--sf-radius-sm);
}

.sf-product__name {
  font-size: 14px;
  font-weight: 500;
}

.sf-product__price {
  font-size: 16px;
  font-weight: 700;
  color: var(--sf-primary);
}

/* =============================================
   PAYMENT
   ============================================= */
.sf-payment-gateways {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.sf-payment-gateway-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 2px solid var(--sf-border);
  border-radius: var(--sf-radius);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--sf-transition);
}

.sf-payment-gateway-option:has(.sf-gateway-radio:checked) {
  border-color: var(--sf-primary);
  background: rgba(102,126,234,.05);
}

/* =============================================
   TERMS & GDPR
   ============================================= */
.sf-terms-label,
.sf-gdpr-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  line-height: 1.5;
}

.sf-terms-label .sf-field__checkbox,
.sf-gdpr-label .sf-field__checkbox {
  margin-top: 2px;
  flex-shrink: 0;
}

.sf-terms-label__text a,
.sf-gdpr-label__text a {
  color: var(--sf-primary);
  text-decoration: underline;
}

/* =============================================
   REPEATER
   ============================================= */
.sf-repeater {
  border: 1.5px solid var(--sf-border);
  border-radius: var(--sf-radius);
  overflow: hidden;
}

.sf-repeater__row {
  padding: 16px;
  border-bottom: 1px solid var(--sf-border);
  position: relative;
}

.sf-repeater__row:last-of-type { border-bottom: none; }

.sf-repeater__row-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 8px;
}

.sf-repeater__remove {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius-sm);
  padding: 2px 8px;
  font-size: 12px;
  cursor: pointer;
  color: var(--sf-error);
  transition: all var(--sf-transition);
}

.sf-repeater__remove:hover {
  background: var(--sf-error);
  color: #fff;
  border-color: var(--sf-error);
}

.sf-repeater__add {
  display: block;
  width: 100%;
  padding: 12px;
  background: var(--sf-bg-input);
  border: none;
  border-top: 1.5px dashed var(--sf-border);
  color: var(--sf-primary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--sf-transition);
}

.sf-repeater__add:hover { background: rgba(102,126,234,.06); }

/* =============================================
   MULTI-STEP
   ============================================= */
.sf-steps-wrapper { position: relative; }

.sf-step {
  display: none;
}

.sf-step--active { display: block; }

.sf-step__header {
  margin-bottom: 24px;
}

.sf-step__title {
  font-size: 20px;
  font-weight: 600;
  color: var(--sf-text);
  margin: 0 0 6px;
}

.sf-step__description {
  color: var(--sf-text-light);
  font-size: 14px;
  margin: 0;
}

.sf-step__navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 24px;
  gap: 12px;
}

.sf-step-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border: 2px solid var(--sf-border);
  border-radius: var(--sf-radius);
  background: var(--sf-bg);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--sf-transition);
  color: var(--sf-text);
}

.sf-step-btn--next {
  border-color: var(--sf-primary);
  background: var(--sf-primary);
  color: #fff;
  margin-left: auto;
}

.sf-step-btn:hover:not(.sf-step-btn--next) {
  border-color: var(--sf-text-light);
  background: var(--sf-bg-input);
}

.sf-step-btn--next:hover { background: var(--sf-primary-dark); border-color: var(--sf-primary-dark); }

/* =============================================
   PROGRESS BAR
   ============================================= */
.sf-progress {
  margin-bottom: 32px;
}

.sf-progress--bar .sf-progress__bar-wrap {
  height: 8px;
  background: var(--sf-border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 8px;
}

.sf-progress--bar .sf-progress__bar {
  height: 100%;
  background: var(--sf-btn-bg);
  border-radius: 4px;
  transition: width 0.4s ease;
}

.sf-progress--bar .sf-progress__text {
  text-align: right;
  font-size: 13px;
  color: var(--sf-text-light);
}

/* Breadcrumb */
.sf-breadcrumb__list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0;
  align-items: center;
}

.sf-breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--sf-text-light);
}

.sf-breadcrumb__item + .sf-breadcrumb__item::before {
  content: '→';
  margin-right: 8px;
  color: var(--sf-border);
}

.sf-breadcrumb__item--active {
  color: var(--sf-primary);
  font-weight: 600;
}

.sf-breadcrumb__number {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--sf-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
}

.sf-breadcrumb__item--active .sf-breadcrumb__number {
  background: var(--sf-primary);
  color: #fff;
}

/* Circle progress */
.sf-progress--circle .sf-progress__circles {
  display: flex;
  align-items: center;
  gap: 0;
}

.sf-progress__circle {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--sf-text-light);
}

.sf-progress__circle-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--sf-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
}

.sf-progress__circle--active .sf-progress__circle-num {
  background: var(--sf-primary);
  border-color: var(--sf-primary);
  color: #fff;
}

.sf-progress__connector {
  flex: 1;
  height: 2px;
  background: var(--sf-border);
  min-width: 30px;
  margin-bottom: 22px;
}

/* =============================================
   SUBMIT BUTTON
   ============================================= */
.sf-form-row--submit {
  display: flex;
  justify-content: flex-start;
}

.sf-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--sf-btn-height);
  padding: 12px 32px;
  background: var(--sf-btn-bg);
  color: var(--sf-btn-color);
  border: none;
  border-radius: var(--sf-btn-radius);
  font-family: var(--sf-font);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--sf-transition);
  position: relative;
  overflow: hidden;
  user-select: none;
  letter-spacing: 0.3px;
}

.sf-submit-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--sf-transition);
}

.sf-submit-btn:hover::before { background: rgba(255,255,255,.12); }
.sf-submit-btn:active { transform: scale(.98); }

.sf-submit-btn:disabled,
.sf-submit-btn--loading {
  opacity: 0.75;
  cursor: not-allowed;
  pointer-events: none;
}

.sf-submit-btn__spinner { display: none; }
.sf-submit-btn--loading .sf-submit-btn__spinner { display: flex; }
.sf-submit-btn--loading .sf-submit-btn__text { opacity: 0.7; }

.sf-btn-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: sf-spin 0.7s linear infinite;
}

/* Full-width button variant */
.sf-btn-width-full .sf-submit-btn { width: 100%; }

/* =============================================
   MESSAGES
   ============================================= */
.sf-form-messages { margin-bottom: 16px; }

.sf-message {
  padding: 14px 18px;
  border-radius: var(--sf-radius);
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.sf-message--success {
  background: #eafaf1;
  color: #1a6b3c;
  border: 1px solid #a9dfbf;
}

.sf-message--error {
  background: #fdf2f2;
  color: #a93226;
  border: 1px solid #f5b7b1;
}

/* =============================================
   LOADING OVERLAY
   ============================================= */
.sf-form-loading {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  border-radius: var(--sf-radius-lg);
}

.sf-spinner {
  width: 48px;
  height: 48px;
  position: relative;
}

.sf-spinner__inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 3px solid var(--sf-border);
  border-top-color: var(--sf-primary);
  animation: sf-spin 0.8s linear infinite;
}

/* =============================================
   SECTION HEADER
   ============================================= */
.sf-section-header {
  padding-bottom: 12px;
  border-bottom: 2px solid var(--sf-border);
  margin-bottom: 4px;
}

.sf-section-header__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--sf-text);
  margin: 0 0 4px;
}

.sf-section-header__desc {
  font-size: 13px;
  color: var(--sf-text-light);
  margin: 0;
}

/* =============================================
   DIVIDER
   ============================================= */
.sf-divider {
  border: none;
  border-top: 1px solid var(--sf-border);
  margin: 0;
}

.sf-spacer { display: block; }

/* =============================================
   HEADING & PARAGRAPH
   ============================================= */
.sf-heading {
  margin: 0;
  color: var(--sf-text);
  font-weight: 600;
  line-height: 1.3;
}

.sf-paragraph {
  margin: 0;
  color: var(--sf-text-light);
  font-size: 14px;
  line-height: 1.6;
}

/* =============================================
   EDITOR PLACEHOLDER
   ============================================= */
.sf-editor-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  border: 2px dashed var(--sf-border);
  border-radius: var(--sf-radius-lg);
  text-align: center;
  gap: 12px;
}

.sf-editor-placeholder__icon { font-size: 40px; color: var(--sf-border); }
.sf-editor-placeholder__title { font-size: 16px; font-weight: 600; color: var(--sf-text); }
.sf-editor-placeholder__message { font-size: 13px; color: var(--sf-text-light); }

/* =============================================
   CAPTCHA
   ============================================= */
.sf-captcha-wrap { min-height: 78px; }

.sf-turnstile-wrap { min-height: 68px; }

/* =============================================
   NOTICE
   ============================================= */
.sf-notice {
  padding: 10px 14px;
  border-radius: var(--sf-radius-sm);
  font-size: 13px;
}

.sf-notice--warning {
  background: #fef9e7;
  color: #7d6608;
  border: 1px solid #f9e79f;
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes sf-spin {
  to { transform: rotate(360deg); }
}

@keyframes sf-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.sf-form-wrapper { animation: sf-fade-in 0.3s ease; }

/* =============================================
   MULTIFILE GRID
   ============================================= */
.sf-multifile-upload {
  border: 2px dashed var(--sf-border);
  border-radius: var(--sf-radius);
  padding: 20px;
  position: relative;
  cursor: pointer;
}

.sf-multifile-input {
  position: absolute !important;
  opacity: 0 !important;
  width: 100% !important;
  height: 100% !important;
  top: 0 !important;
  left: 0 !important;
  cursor: pointer !important;
}

.sf-multifile-upload__ui {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  pointer-events: none;
  color: var(--sf-text-light);
}

.sf-multifile-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.sf-multifile-preview-grid .sf-preview-item {
  position: relative;
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius-sm);
  padding: 8px;
  font-size: 11px;
  text-align: center;
  overflow: hidden;
}

.sf-preview-item img {
  width: 100%;
  height: 60px;
  object-fit: cover;
  border-radius: 2px;
  display: block;
  margin-bottom: 4px;
}

.sf-preview-item__remove {
  position: absolute;
  top: 2px;
  right: 2px;
  background: rgba(231,76,60,.9);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  font-size: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* =============================================
   PRICE
   ============================================= */
.sf-price-wrap {
  display: flex;
  align-items: center;
  gap: 0;
}

.sf-price-symbol {
  height: var(--sf-input-height);
  padding: 0 12px;
  background: var(--sf-bg-input);
  border: 1.5px solid var(--sf-border);
  border-right: none;
  border-radius: var(--sf-radius) 0 0 var(--sf-radius);
  display: flex;
  align-items: center;
  font-weight: 600;
  color: var(--sf-text-light);
}

.sf-price-input {
  border-radius: 0 var(--sf-radius) var(--sf-radius) 0 !important;
}

/* =============================================
   CHAR COUNTER
   ============================================= */
.sf-char-counter {
  display: block;
  text-align: right;
  font-size: 11px;
  color: var(--sf-text-light);
  margin-top: 4px;
}