/* public/css/signup.css - M105: Giao diện tự đăng ký doanh nghiệp (Mobile 375px first) */

:root {
  --navy-dark: #051c32;
  --navy-mid: #132d45;
  --gold: #c5a66e;
  --ink-900: #0f172a;
  --ink-700: #334155;
  --ink-500: #64748b;
  --ink-300: #cbd5e1;
  --ink-100: #f1f5f9;
  --bg-page: #f8fafc;
  --card-bg: #ffffff;
  --primary-blue: #2563eb;
  --primary-blue-hover: #1d4ed8;
  --error-bg: #fef2f2;
  --error-border: #fca5a5;
  --error-text: #991b1b;
  --success-bg: #f0fdf4;
  --success-border: #86efac;
  --success-text: #166534;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.08);
}

*, *::before, *::after {
  box-sizing: border-box;
}

body.signup-body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-page);
  color: var(--ink-900);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

:focus-visible {
  outline: 2px solid var(--primary-blue) !important;
  outline-offset: 2px !important;
}

/* TOPBAR */
.signup-topbar {
  background-color: var(--navy-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px 16px;
}

.signup-topbar-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.signup-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.signup-logo {
  height: 32px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
}

.signup-topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.signup-have-account {
  color: #94a3b8;
}

.signup-login-link {
  color: #ffffff;
  font-weight: 600;
  text-decoration: underline;
  padding: 4px 8px;
}

.signup-login-link:hover {
  color: var(--gold);
}

/* MAIN SHELL */
.signup-main {
  padding: 24px 16px 48px;
}

.signup-shell {
  max-width: 560px;
  margin: 0 auto;
}

.signup-header {
  text-align: center;
  margin-bottom: 24px;
}

.signup-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #92400e;
  background-color: #fef3c7;
  border: 1px solid #fde68a;
  border-radius: 9999px;
  padding: 4px 12px;
  margin-bottom: 12px;
}

.signup-title {
  margin: 0 0 8px;
  font-size: 24px;
  font-weight: 700;
  color: var(--ink-900);
  line-height: 1.25;
}

.signup-subtitle {
  margin: 0;
  font-size: 14px;
  color: var(--ink-700);
}

/* STEPPER */
.signup-stepper {
  margin-bottom: 20px;
}

.stepper-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex: 1;
}

.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  background-color: var(--ink-100);
  color: var(--ink-500);
  border: 2px solid var(--ink-300);
  transition: all 0.2s ease;
}

.step-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-500);
  text-align: center;
  white-space: nowrap;
}

.step-divider {
  flex: 0 0 24px;
  height: 2px;
  background-color: var(--ink-300);
  margin-bottom: 22px;
}

.step-item.is-active .step-num {
  background-color: var(--primary-blue);
  color: #ffffff;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.step-item.is-active .step-label {
  color: var(--primary-blue);
  font-weight: 700;
}

.step-item.is-done .step-num {
  background-color: var(--success-text);
  color: #ffffff;
  border-color: var(--success-text);
}

.step-item.is-done .step-label {
  color: var(--success-text);
}

/* SIGNUP CARD */
.signup-card {
  background-color: var(--card-bg);
  border: 1px solid var(--ink-300);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  box-shadow: var(--shadow-md);
}

.panel-heading {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-900);
}

.panel-desc {
  margin: 0 0 20px;
  font-size: 13px;
  color: var(--ink-700);
}

/* FEEDBACK ALERT */
.signup-feedback {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  line-height: 1.4;
  margin-bottom: 18px;
}

.signup-feedback.is-error {
  background-color: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error-text);
  font-weight: 500;
}

.signup-feedback.is-success {
  background-color: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success-text);
  font-weight: 500;
}

.signup-feedback.is-info {
  background-color: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
}

/* FORM ELEMENTS */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-900);
  margin-bottom: 6px;
}

.req-star {
  color: #dc2626;
}

.form-input, .form-select {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--ink-900);
  background-color: #ffffff;
  border: 1px solid var(--ink-300);
  border-radius: var(--radius-md);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus, .form-select:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-input::placeholder {
  color: #94a3b8;
}

.field-hint {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--ink-700);
}

/* OTP INPUT */
.otp-input {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 12px;
  text-align: center;
  min-height: 54px;
  color: var(--navy-dark);
}

.step-top-notice {
  background-color: var(--ink-100);
  border: 1px solid var(--ink-300);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--ink-900);
}

.step-top-notice p {
  margin: 0;
}

.highlight-email {
  color: var(--primary-blue);
  word-break: break-all;
}

.btn-text-link {
  background: none;
  border: none;
  color: var(--primary-blue);
  font-size: 13px;
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
}

.btn-text-link:hover {
  color: var(--primary-blue-hover);
}

.resend-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 13px;
  color: var(--ink-700);
}

.btn-resend {
  background: none;
  border: none;
  color: var(--primary-blue);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  padding: 4px 0;
  text-decoration: underline;
}

.btn-resend:disabled {
  color: var(--ink-500);
  text-decoration: none;
  cursor: not-allowed;
}

/* SLUG INPUT GROUP */
.slug-input-wrapper {
  display: flex;
  align-items: center;
  border: 1px solid var(--ink-300);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  overflow: hidden;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.slug-input-wrapper:focus-within {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.slug-prefix {
  padding: 0 10px 0 12px;
  font-size: 13px;
  color: var(--ink-500);
  background-color: var(--ink-100);
  border-right: 1px solid var(--ink-300);
  min-height: 44px;
  display: flex;
  align-items: center;
  user-select: none;
}

.slug-input {
  border: none !important;
  box-shadow: none !important;
  border-radius: 0 !important;
  padding-left: 10px;
  padding-right: 6px;
  flex: 1;
  min-width: 80px;
}

.slug-suffix {
  padding: 0 12px 0 10px;
  font-size: 13px;
  color: var(--ink-700);
  background-color: var(--ink-100);
  border-left: 1px solid var(--ink-300);
  min-height: 44px;
  display: flex;
  align-items: center;
  user-select: none;
  white-space: nowrap;
}

.slug-status {
  margin-top: 6px;
  font-size: 12px;
  font-weight: 600;
  min-height: 18px;
}

.slug-status.is-valid {
  color: var(--success-text);
}

.slug-status.is-invalid {
  color: var(--error-text);
}

.slug-status.is-checking {
  color: var(--ink-500);
}

/* 2 COLUMNS ROW */
.form-row-2col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

@media (min-width: 480px) {
  .form-row-2col {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
}

/* PASSWORD WRAPPER */
.password-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input {
  padding-right: 44px;
}

.btn-password-toggle {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--ink-500);
  cursor: pointer;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.btn-password-toggle:hover {
  color: var(--ink-900);
}

.eye-icon {
  width: 20px;
  height: 20px;
}

/* CONSENT CHECKBOX */
.consent-group {
  margin: 22px 0;
  padding: 12px 14px;
  background-color: var(--ink-100);
  border-radius: var(--radius-md);
  border: 1px solid var(--ink-300);
}

.consent-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-900);
  cursor: pointer;
  line-height: 1.4;
}

.consent-checkbox {
  margin-top: 2px;
  width: 18px;
  height: 18px;
  accent-color: var(--primary-blue);
  flex-shrink: 0;
  cursor: pointer;
}

.legal-link {
  color: var(--primary-blue);
  font-weight: 600;
  text-decoration: underline;
}

.legal-link:hover {
  color: var(--primary-blue-hover);
}

/* BUTTONS & ACTIONS */
.form-actions {
  margin-top: 24px;
}

.btn-primary {
  width: 100%;
  min-height: 48px;
  background-color: var(--navy-dark);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  font-family: inherit;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
  transition: background-color 0.15s ease, transform 0.1s ease;
}

.btn-primary:hover {
  background-color: var(--navy-mid);
}

.btn-primary:active {
  transform: scale(0.99);
}

.btn-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.btn-launch {
  background-color: #1e3a8a;
  box-shadow: 0 4px 14px rgba(30, 58, 138, 0.25);
}

.btn-launch:hover {
  background-color: #172554;
}

/* SPINNERS */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 0.7s linear infinite;
}

.spinner-large {
  width: 40px;
  height: 40px;
  border: 4px solid var(--ink-300);
  border-radius: 50%;
  border-top-color: var(--primary-blue);
  animation: spin 0.7s linear infinite;
  margin: 20px auto;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* SUCCESS PANEL */
.text-center {
  text-align: center;
}

.success-icon-wrap {
  font-size: 48px;
  line-height: 1;
  margin-bottom: 12px;
}

/* FOOTER */
.signup-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 12px;
  color: var(--ink-700);
}

/* UTILITY */
.hidden {
  display: none !important;
}

/* RESPONSIVE ADJUSTMENTS FOR 375px */
@media (max-width: 380px) {
  .signup-card {
    padding: 18px 14px;
  }
  .step-label {
    font-size: 11px;
  }
  .step-divider {
    flex: 0 0 12px;
  }
  .slug-prefix {
    font-size: 12px;
    padding: 0 6px 0 8px;
  }
  .slug-suffix {
    font-size: 12px;
    padding: 0 8px 0 6px;
  }
  .signup-title {
    font-size: 21px;
  }
}