/* ============================================
   Panchayat Portal Login Page Styles
   Includes OTP verification UI
   ============================================ */

:root {
  --color-primary: #0052CC;
  --color-primary-dark: #003d99;
  --color-secondary: #22223b;
  --color-text: #22223b;
  --color-text-light: #4b5563;
  --color-placeholder: #999;
  --color-border: #ddd;
  --color-error: #d32f2f;
  --color-success: #10b981;
  --color-bg-light: #f8f8f8;
  --color-white: #ffffff;
  --font-main: Arial, 'Helvetica Neue', sans-serif;
  --radius: 4px;
  --radius-lg: 8px;
  --transition: 150ms ease;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
  margin: 0 !important;
}

body {
  font-family: var(--font-main);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-white);
}

/* ============================================
   Registration Container (used for login too)
   ============================================ */

.registration-container {
  display: flex;
  height: 100vh;
  width: 100%;
}

/* ============================================
   Left Panel Styles
   ============================================ */

.registration-left-panel {
  flex: 1;
  background: linear-gradient(135deg, #1a5490 0%, #0052CC 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  color: var(--color-white);
}

.registration-left-content {
  max-width: 350px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.registration-logo {
  width: 70px;
  height: 70px;
  margin-bottom: 1.2rem;
  object-fit: contain;
}

.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 120px;
  background: transparent;
  border-radius: 16px;
  margin: 0 auto 1.2rem auto;
  overflow: hidden;
}

.logo-container .registration-logo {
  width: 110px;
  height: 110px;
  margin-bottom: 0;
  border-radius: 14px;
  object-fit: contain;
}

.registration-left-title {
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  line-height: 1.3;
}

.registration-left-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  opacity: 0.95;
  color: rgba(255, 255, 255, 0.95);
}

.telugu-text {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 1.2rem;
  font-weight: 500;
  line-height: 1.6;
}

/* ============================================
   Right Panel Styles
   ============================================ */

.registration-right-panel {
  flex: 1;
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  overflow-y: auto;
}

.registration-right-content {
  width: 100%;
  max-width: 380px;
}

.registration-form-title {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: -0.5px;
}

.login-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 1.2rem;
  font-weight: 400;
  letter-spacing: 0;
}

/* ============================================
   Login Step Transitions
   ============================================ */

.login-step {
  display: none;
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.login-step.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.login-step.slide-out {
  opacity: 0;
  transform: translateX(-20px);
}

/* ============================================
   Form Styles
   ============================================ */

.registration-form {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
}

.required-indicator {
  color: var(--color-error);
  margin-left: 2px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="password"] {
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  background-color: var(--color-white);
  color: var(--color-text);
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input[type="text"]::placeholder,
.form-group input[type="email"]::placeholder,
.form-group input[type="tel"]::placeholder,
.form-group input[type="password"]::placeholder {
  color: var(--color-placeholder);
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group input[type="password"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(0, 82, 204, 0.1);
  background-color: rgba(0, 82, 204, 0.02);
}

/* ============================================
   Error Message Styles
   ============================================ */

.error-message {
  color: var(--color-error);
  font-size: 0.85rem;
  margin: 0.5rem 0;
  display: none;
  text-align: center;
  padding: 0.75rem;
  background-color: rgba(211, 47, 47, 0.05);
  border-radius: var(--radius);
  border: 1px solid rgba(211, 47, 47, 0.1);
  font-weight: 500;
}

.error-message.show {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Button Styles
   ============================================ */

.register-btn {
  padding: 0.7rem 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background-color var(--transition), transform var(--transition), opacity var(--transition);
  outline: none;
  margin-top: 0.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
}

.register-btn:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
}

.register-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.register-btn:focus {
  outline: 2px solid var(--color-primary-dark);
  outline-offset: 1px;
}

.register-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-text,
.btn-spinner {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Spinner animation */
.spinner-svg {
  width: 18px;
  height: 18px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

/* ============================================
   OTP Back Button
   ============================================ */

.otp-back-btn {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.3rem 0;
  margin-bottom: 1rem;
  font-family: inherit;
  transition: color var(--transition);
}

.otp-back-btn:hover {
  color: var(--color-primary-dark);
}

/* ============================================
   OTP Subtitle & Contact Display
   ============================================ */

.otp-subtitle {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-bottom: 0.2rem;
}

.otp-contact-display {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1.2rem;
  word-break: break-all;
}

/* ============================================
   OTP Input Boxes
   ============================================ */

.otp-input-container {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin: 0.5rem 0;
}

.otp-input {
  width: 46px;
  height: 52px;
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  font-family: 'Courier New', Courier, monospace;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  color: var(--color-secondary);
  background: var(--color-bg-light);
  caret-color: var(--color-primary);
}

.otp-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.15);
  background: var(--color-white);
}

.otp-input.filled {
  border-color: var(--color-primary);
  background: rgba(0, 82, 204, 0.04);
}

.otp-input.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
  animation: shake 0.4s ease;
}

.otp-input.success {
  border-color: var(--color-success);
  background: rgba(16, 185, 129, 0.06);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  50% { transform: translateX(4px); }
  75% { transform: translateX(-4px); }
}

/* ============================================
   OTP Timer
   ============================================ */

.otp-timer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin: 0.3rem 0;
}

.otp-timer svg {
  flex-shrink: 0;
}

.otp-timer.expiring {
  color: var(--color-error);
}

.otp-timer.expired {
  color: var(--color-error);
  font-weight: 600;
}

/* ============================================
   OTP Resend Section
   ============================================ */

.otp-resend-section {
  text-align: center;
  margin-top: 1rem;
}

.otp-resend-text {
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-bottom: 0.3rem;
}

.otp-resend-btn {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius);
  transition: background-color var(--transition), color var(--transition);
}

.otp-resend-btn:hover:not(:disabled) {
  background: rgba(0, 82, 204, 0.08);
}

.otp-resend-btn:disabled {
  color: var(--color-placeholder);
  cursor: not-allowed;
}

#resendTimer {
  font-weight: 400;
  font-size: 0.8rem;
}

/* ============================================
   Footer & Links Styles
   ============================================ */

.registration-footer {
  margin-top: 1rem;
  text-align: center;
}

.sign-in-prompt {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.sign-in-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition);
}

.sign-in-link:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.sign-in-link:focus {
  outline: 1px solid var(--color-primary);
}

/* ============================================
   Accessibility Utilities
   ============================================ */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 900px) {
  .registration-container {
    flex-direction: column;
  }
  
  html, body {
    overflow: auto;
  }
  
  .registration-left-panel,
  .registration-right-panel {
    flex: none;
    width: 100%;
    height: auto;
    min-height: 200px;
  }
  
  .registration-left-title {
    font-size: 1.5rem;
  }
  
  .registration-form-title {
    font-size: 1.4rem;
  }
  
  .logo-container {
    width: 100px;
    height: 100px;
    margin: 0 auto 1rem auto;
  }
  
  .logo-container .registration-logo {
    width: 90px;
    height: 90px;
  }
  
  .registration-left-desc {
    font-size: 0.85rem;
  }
  
  .telugu-text {
    font-size: 0.9rem;
  }
}

@media (max-width: 600px) {
  .registration-container {
    height: auto;
    min-height: 100vh;
  }
  
  .registration-left-panel {
    padding: 1rem;
    min-height: 180px;
  }
  
  .registration-right-panel {
    padding: 1rem;
    min-height: auto;
  }
  
  .registration-left-content {
    max-width: 100%;
  }
  
  .registration-right-content {
    max-width: 100%;
  }
  
  .registration-left-title {
    font-size: 1.3rem;
    margin-bottom: 0.6rem;
  }
  
  .registration-left-desc {
    font-size: 0.8rem;
  }
  
  .logo-container {
    width: 90px;
    height: 90px;
    margin: 0 auto 1rem auto;
  }
  
  .logo-container .registration-logo {
    width: 70px;
    height: 70px;
  }
  
  .telugu-text {
    font-size: 0.85rem;
    margin-top: 1rem;
  }
  
  .registration-form-title {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
  }
  
  .form-group {
    gap: 0.25rem;
  }
  
  .form-group label {
    font-size: 0.8rem;
  }
  
  .form-group input[type="text"],
  .form-group input[type="email"],
  .form-group input[type="tel"],
  .form-group input[type="password"] {
    padding: 0.5rem 0.7rem;
    font-size: 0.8rem;
  }
  
  .register-btn {
    padding: 0.6rem 0.9rem;
    font-size: 0.9rem;
  }
  
  .registration-footer {
    margin-top: 0.8rem;
  }
  
  .sign-in-prompt {
    font-size: 0.8rem;
  }
  
  .registration-form {
    gap: 0.7rem;
  }

  /* OTP responsive */
  .otp-input-container {
    gap: 0.35rem;
  }

  .otp-input {
    width: 40px;
    height: 46px;
    font-size: 1.2rem;
  }
}

@media (max-width: 400px) {
  .registration-left-panel,
  .registration-right-panel {
    padding: 0.8rem;
  }
  
  .registration-left-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
  }
  
  .registration-left-desc {
    font-size: 0.75rem;
  }
  
  .logo-container {
    width: 80px;
    height: 80px;
    margin: 0 auto 0.8rem auto;
  }
  
  .logo-container .registration-logo {
    width: 60px;
    height: 60px;
  }
  
  .telugu-text {
    font-size: 0.8rem;
    margin-top: 0.8rem;
  }
  
  .registration-form-title {
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
  }
  
  .form-group label {
    font-size: 0.75rem;
  }
  
  .form-group input[type="text"],
  .form-group input[type="email"],
  .form-group input[type="tel"],
  .form-group input[type="password"] {
    padding: 0.45rem 0.6rem;
    font-size: 0.75rem;
  }
  
  .register-btn {
    padding: 0.55rem 0.8rem;
    font-size: 0.85rem;
  }

  .otp-input-container {
    gap: 0.25rem;
  }

  .otp-input {
    width: 36px;
    height: 42px;
    font-size: 1.1rem;
    border-radius: 6px;
  }
}

/* ============================================
   Toast Message Styles
   ============================================ */

.toast-message {
  display: none;
  margin: 16px auto 0;
  background: #d32f2f;
  color: #fff;
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  opacity: 0;
  transition: opacity 0.3s ease;
  width: fit-content;
  max-width: 100%;
  text-align: center;
  word-break: break-word;
}

.toast-message.show {
  display: block;
  opacity: 1;
}

.input-error {
  border-color: var(--color-error) !important;
  box-shadow: 0 0 0 2px rgba(211, 47, 47, 0.1) !important;
}

@media (max-width: 600px) {
  .toast-message {
    font-size: 0.8rem;
    padding: 8px 12px;
  }
}