/**
 * Frontend Styles for Glorious QR.
 *
 * @version 1.0.0
 * @author GloriousMotive
 * @package GloriousQR
 * @date 2026-03-03
 */

/* =====================================================
   CSS Variables
   ===================================================== */
:root {
  --gqr-primary: #6366f1;
  --gqr-primary-hover: #4f46e5;
  --gqr-success: #22c55e;
  --gqr-danger: #ef4444;
  --gqr-warning: #f59e0b;
  --gqr-dark: #111827;
  --gqr-gray-50: #f9fafb;
  --gqr-gray-100: #f3f4f6;
  --gqr-gray-200: #e5e7eb;
  --gqr-gray-300: #d1d5db;
  --gqr-gray-400: #9ca3af;
  --gqr-gray-500: #6b7280;
  --gqr-gray-600: #4b5563;
  --gqr-gray-700: #374151;
  --gqr-gray-800: #1f2937;
  --gqr-white: #ffffff;
  --gqr-radius: 12px;
  --gqr-radius-sm: 8px;
  --gqr-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --gqr-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --gqr-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --gqr-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

/* =====================================================
   Wrapper
   ===================================================== */
.gqr-wrapper {
  font-family: var(--gqr-font);
  max-width: 480px;
  margin: 2rem auto;
  -webkit-font-smoothing: antialiased;
}

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

/* =====================================================
   Notice (Admin warning)
   ===================================================== */
.gqr-notice {
  padding: 1rem 1.25rem;
  border-radius: var(--gqr-radius-sm);
  font-size: 0.875rem;
  line-height: 1.5;
}

.gqr-notice-warning {
  background: #fef3c7;
  border: 1px solid #fcd34d;
  color: #92400e;
}

.gqr-notice a {
  color: #92400e;
  font-weight: 600;
  text-decoration: underline;
}

/* =====================================================
   Form Card (Step 1 - Amount Entry)
   ===================================================== */
.gqr-form-card {
  background: var(--gqr-white);
  border-radius: var(--gqr-radius);
  box-shadow: var(--gqr-shadow-lg);
  overflow: hidden;
  border: 1px solid var(--gqr-gray-200);
}

.gqr-form-header {
  text-align: center;
  padding: 2rem 2rem 1rem;
  background: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 100%);
}

.gqr-form-logo {
  max-width: 140px;
  max-height: 60px;
  object-fit: contain;
  margin-bottom: 0.75rem;
}

.gqr-form-title {
  margin: 0 0 0.25rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gqr-gray-800);
}

.gqr-form-subtitle {
  margin: 0;
  font-size: 0.875rem;
  color: var(--gqr-gray-500);
}

.gqr-form-body {
  padding: 1.5rem 2rem 2rem;
}

.gqr-input-group {
  margin-bottom: 1.25rem;
}

.gqr-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gqr-gray-700);
  margin-bottom: 0.5rem;
}

.gqr-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.gqr-input-prefix {
  position: absolute;
  left: 1rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gqr-gray-400);
  pointer-events: none;
  z-index: 1;
}

.gqr-amount-input {
  width: 100%;
  padding: 0.875rem 1rem 0.875rem 2.5rem;
  border: 2px solid var(--gqr-gray-200);
  border-radius: var(--gqr-radius-sm);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gqr-gray-800);
  background: var(--gqr-white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
  -moz-appearance: textfield;
  appearance: textfield;
}

.gqr-amount-input::-webkit-outer-spin-button,
.gqr-amount-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.gqr-amount-input:focus {
  border-color: var(--gqr-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.gqr-amount-input::placeholder {
  color: var(--gqr-gray-300);
  font-weight: 400;
}

/* =====================================================
   Buttons
   ===================================================== */
.gqr-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.875rem 1.5rem;
  border: none;
  border-radius: var(--gqr-radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  text-align: center;
  line-height: 1.5;
}

.gqr-btn-primary {
  background: var(--gqr-dark);
  color: var(--gqr-white);
}

.gqr-btn-primary:hover {
  background: #000;
  transform: translateY(-1px);
  box-shadow: var(--gqr-shadow);
}

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

.gqr-btn-secondary {
  background: var(--gqr-gray-100);
  color: var(--gqr-gray-700);
  margin-top: 0.75rem;
}

.gqr-btn-secondary:hover {
  background: var(--gqr-gray-200);
}

.gqr-btn-upi-app {
  background: var(--gqr-primary);
  color: var(--gqr-white);
  margin: 0.75rem 1.5rem 0;
  width: calc(100% - 3rem);
  border-radius: var(--gqr-radius-sm);
  text-decoration: none;
}

.gqr-btn-upi-app:hover {
  background: var(--gqr-primary-hover);
  color: var(--gqr-white);
  text-decoration: none;
}

.gqr-btn-skip {
  background: transparent;
  color: var(--gqr-gray-500);
  border: 1px solid var(--gqr-gray-300);
  margin: 0.75rem 1.5rem 0;
  width: calc(100% - 3rem);
  font-size: 0.875rem;
  font-weight: 500;
  gap: 0.375rem;
}

.gqr-btn-skip:hover {
  background: var(--gqr-gray-50);
  color: var(--gqr-gray-700);
  border-color: var(--gqr-gray-400);
}

.gqr-btn-skip svg {
  flex-shrink: 0;
}

.gqr-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.gqr-btn-loading {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.gqr-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: gqr-spin 0.6s linear infinite;
}

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

/* =====================================================
   Form Footer
   ===================================================== */
.gqr-form-footer {
  padding: 1rem 2rem;
  border-top: 1px solid var(--gqr-gray-100);
  text-align: center;
}

.gqr-upi-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  color: var(--gqr-gray-400);
}

.gqr-upi-badge svg {
  flex-shrink: 0;
}

/* =====================================================
   Popup Overlay
   ===================================================== */
.gqr-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: gqr-fadeIn 0.3s ease;
}

@keyframes gqr-fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.gqr-popup {
  position: relative;
  max-width: 400px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--gqr-white);
  border-radius: 16px;
  box-shadow: var(--gqr-shadow-xl);
  padding-bottom: 1.25rem;
  animation: gqr-slideUp 0.3s ease;
}

@keyframes gqr-slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.gqr-popup-close {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: var(--gqr-white);
  color: var(--gqr-gray-600);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--gqr-shadow);
  transition: all 0.2s ease;
  z-index: 10;
  line-height: 1;
}

.gqr-popup-close:hover {
  background: var(--gqr-gray-100);
  color: var(--gqr-dark);
}

/* =====================================================
   QR Card (mimics the GPay-style card from the image)
   ===================================================== */
.gqr-card {
  background: var(--gqr-white);
  border-radius: 16px 16px 0 0;
  padding: 1.75rem 1.5rem 1.25rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.gqr-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #4285F4, #EA4335, #FBBC04, #34A853);
}

.gqr-card-header {
  margin-bottom: 0.75rem;
  padding-top: 0.5rem;
}

.gqr-card-logo {
  max-width: 160px;
  max-height: 56px;
  object-fit: contain;
  margin: 0 auto 0.25rem;
  display: block;
}

.gqr-card-logo-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.25rem;
}

.gqr-card-accepted {
  font-size: 0.75rem;
  color: var(--gqr-gray-400);
  letter-spacing: 0.025em;
}

.gqr-card-divider {
  height: 1px;
  background: var(--gqr-gray-200);
  margin: 0.75rem 0;
}

.gqr-card-info {
  margin-bottom: 0.5rem;
}

.gqr-card-business {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gqr-gray-800);
  margin-bottom: 0.125rem;
}

.gqr-card-phone {
  font-size: 0.875rem;
  color: var(--gqr-gray-500);
}

.gqr-card-amount {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gqr-primary);
  margin: 0.5rem 0;
}

.gqr-card-qr {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  margin: 0.5rem auto;
  max-width: 256px;
}

.gqr-card-qr canvas,
.gqr-card-qr img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

.gqr-card-upi {
  font-size: 0.8rem;
  color: var(--gqr-primary);
  font-weight: 500;
  margin: 0.5rem 0;
  word-break: break-all;
}

/* Provider Icons */
.gqr-card-providers {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--gqr-gray-100);
}

.gqr-provider-icons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.gqr-provider-icon {
  display: inline-flex;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.gqr-bhim-upi {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gqr-gray-600);
  letter-spacing: 0.05em;
}

.gqr-bhim-upi span {
  color: var(--gqr-primary);
}

/* =====================================================
   Countdown Timer
   ===================================================== */
.gqr-countdown {
  margin: 0;
  padding: 0.75rem 1.5rem 0;
  text-align: center;
  background: var(--gqr-white);
}

.gqr-countdown-bar {
  width: 100%;
  height: 6px;
  background: var(--gqr-gray-200);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.gqr-countdown-fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--gqr-primary), #818cf8);
  border-radius: 3px;
  transition: width 1s linear;
}

.gqr-countdown-fill.gqr-countdown-warning {
  background: linear-gradient(90deg, var(--gqr-warning), #fbbf24);
}

.gqr-countdown-fill.gqr-countdown-danger {
  background: linear-gradient(90deg, var(--gqr-danger), #f87171);
}

.gqr-countdown-text {
  font-size: 0.8rem;
  color: var(--gqr-gray-500);
}

.gqr-countdown-text span {
  font-weight: 700;
  color: var(--gqr-gray-700);
}

/* =====================================================
   Transaction ID Card (Step 3)
   ===================================================== */
.gqr-popup-txn,
.gqr-popup-success {
  max-width: 420px;
  padding-bottom: 0;
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}

.gqr-txn-card,
.gqr-success-card {
  background: var(--gqr-white);
  border-radius: 16px;
  box-shadow: var(--gqr-shadow-xl);
  padding: 2rem 1.5rem;
  text-align: center;
}

.gqr-txn-icon,
.gqr-success-icon {
  margin-bottom: 1rem;
}

.gqr-txn-title,
.gqr-success-title {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gqr-gray-800);
}

.gqr-txn-subtitle,
.gqr-success-subtitle {
  margin: 0 0 1.25rem;
  font-size: 0.875rem;
  color: var(--gqr-gray-500);
  line-height: 1.5;
}

.gqr-txn-amount-display {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: var(--gqr-gray-50);
  border: 1px solid var(--gqr-gray-200);
  border-radius: 24px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--gqr-gray-800);
  margin-bottom: 1.25rem;
}

.gqr-txn-input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--gqr-gray-200);
  border-radius: var(--gqr-radius-sm);
  font-size: 1rem;
  color: var(--gqr-gray-800);
  background: var(--gqr-white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
  text-align: center;
  letter-spacing: 0.05em;
}

.gqr-txn-input:focus {
  border-color: var(--gqr-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.gqr-txn-input::placeholder {
  color: var(--gqr-gray-300);
  letter-spacing: normal;
}

/* =====================================================
   Success Card (Step 4)
   ===================================================== */
.gqr-success-details {
  background: var(--gqr-gray-50);
  border: 1px solid var(--gqr-gray-200);
  border-radius: var(--gqr-radius-sm);
  padding: 1rem;
  margin-bottom: 1.25rem;
  text-align: left;
}

.gqr-success-detail-row {
  display: flex;
  justify-content: space-between;
  padding: 0.375rem 0;
  font-size: 0.875rem;
}

.gqr-success-detail-row:not(:last-child) {
  border-bottom: 1px solid var(--gqr-gray-100);
}

.gqr-success-detail-label {
  color: var(--gqr-gray-500);
}

.gqr-success-detail-value {
  color: var(--gqr-gray-800);
  font-weight: 600;
}

/* =====================================================
   Mobile Responsive
   ===================================================== */
@media (max-width: 480px) {
  .gqr-wrapper {
    margin: 1rem auto;
    padding: 0 0.5rem;
  }

  .gqr-form-header {
    padding: 1.5rem 1.25rem 0.75rem;
  }

  .gqr-form-body {
    padding: 1.25rem;
  }

  .gqr-form-footer {
    padding: 0.75rem 1.25rem;
  }

  .gqr-popup-overlay {
    padding: 0.5rem;
  }

  .gqr-card {
    padding: 1.25rem 1rem;
    border-radius: 12px;
  }

  .gqr-card-business {
    font-size: 1rem;
  }

  .gqr-card-amount {
    font-size: 1.25rem;
  }

  .gqr-txn-card,
  .gqr-success-card {
    padding: 1.5rem 1.25rem;
  }

  .gqr-popup-close {
    top: -8px;
    right: -8px;
    width: 28px;
    height: 28px;
    font-size: 1rem;
  }
}

@media (max-width: 390px) {
  .gqr-form-body {
    padding: 1rem;
  }

  .gqr-card {
    padding: 1rem 0.75rem;
  }

  .gqr-btn {
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
  }

  .gqr-amount-input {
    font-size: 1.125rem;
    padding: 0.75rem 1rem 0.75rem 2.25rem;
  }
}