/* Smart Pay */

:root {
  --sp-yellow: #f5a623;
  --sp-yellow-dark: #d4890f;
  --sp-orange: #e8940a;
  --sp-black: #111111;
  --sp-dark: #1a1a1a;
  --sp-white: #ffffff;
  --sp-muted: rgba(255, 255, 255, 0.75);
  --sp-error: #e74c3c;
  --verify-yellow: #ffcc00;
  --verify-orange: #d4920a;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html, body {
  height: 100%;
  min-height: 100dvh;
  font-family: var(--font);
  background: var(--sp-black);
  color: var(--sp-white);
  -webkit-font-smoothing: antialiased;
}

body { overflow: hidden; }

.screen {
  position: fixed;
  inset: 0;
  display: none;
  flex-direction: column;
  overflow: hidden;
  width: 100%;
  height: 100%;
  min-height: 100dvh;
  min-height: 100svh;
}

.screen.active { display: flex; }

/* Login screen */
.smartpay-screen { position: relative; }

.smartpay-screen--template {
  background-color: #111;
}

.sp-login-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
  object-position: center top;
  pointer-events: none;
  user-select: none;
}

.sp-login-overlay {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  min-height: 100%;
  padding: clamp(240px, 42vh, 320px) 28px 32px;
  padding-bottom: calc(env(safe-area-inset-bottom, 16px) + 24px);
}

.sp-login-overlay .sp-welcome,
.sp-login-overlay .sp-form-box {
  width: 100%;
  max-width: 340px;
}

.sp-login-overlay .sp-welcome {
  text-align: left;
}

.sp-login-overlay .sp-welcome-sub {
  text-align: left;
  width: 100%;
  max-width: 340px;
  margin-bottom: 1.25rem;
}

.sp-welcome {
  font-size: clamp(2rem, 8vw, 2.6rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.sp-welcome-sub {
  font-size: 0.95rem;
  color: var(--sp-muted);
  margin-bottom: 1.75rem;
  text-align: center;
}

.sp-form-box {
  width: 100%;
  max-width: 340px;
  border: 2px solid var(--sp-yellow);
  border-radius: 16px;
  padding: 1.25rem 1.1rem 1.1rem;
  background: rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(4px);
}

.sp-form-hint {
  font-size: 0.88rem;
  color: var(--sp-muted);
  margin-bottom: 1.25rem;
  line-height: 1.4;
}

.sp-field-label {
  display: block;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0.35rem;
}

.sp-mobile-row {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  border-bottom: 2px solid var(--sp-yellow);
}

.sp-mobile-row.input-error {
  border-bottom-color: var(--sp-error);
}

.sp-prefix {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--sp-white);
  padding-bottom: 0.65rem;
  flex-shrink: 0;
}

.sp-underline-input {
  width: 100%;
  border: none;
  border-bottom: none;
  background: transparent;
  color: var(--sp-white);
  font-size: 1.1rem;
  font-weight: 600;
  padding: 0.5rem 0 0.65rem;
  outline: none;
  letter-spacing: 0.04em;
}

.sp-underline-input::placeholder { color: rgba(255, 255, 255, 0.25); }

.sp-btn-continue {
  width: 100%;
  margin-top: 1.25rem;
  padding: 0.95rem;
  border: none;
  border-radius: 12px;
  background: #2a2a2a;
  color: var(--sp-white);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.sp-btn-continue:disabled { opacity: 0.6; cursor: not-allowed; }

/* Verification / OTP screen */
.verify-screen {
  background: #ffffff;
  color: #333333;
}

.verify-header {
  flex-shrink: 0;
  background: var(--verify-yellow);
  padding: calc(env(safe-area-inset-top, 0px) + 12px) 16px 12px;
  text-align: center;
}

.verify-header h1 {
  font-size: 1.05rem;
  font-weight: 600;
  color: #333333;
  letter-spacing: 0.01em;
}

.verify-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  background: #ffffff;
}

.verify-main {
  flex: 1;
  overflow-y: auto;
  padding: 2.5rem 1.25rem 1rem;
  text-align: center;
}

.verify-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  color: #444444;
}

.verify-icon svg { width: 100%; height: 100%; }

.verify-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #333333;
  margin-bottom: 0.85rem;
}

.verify-desc {
  font-size: 0.84rem;
  color: #777777;
  line-height: 1.55;
  max-width: 280px;
  margin: 0 auto 1.75rem;
}

.verify-desc span {
  color: #555555;
  font-weight: 600;
}

.verify-label {
  font-size: 0.8rem;
  color: #888888;
  margin-bottom: 1.1rem;
}

.otp-boxes {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 7px;
  flex-wrap: nowrap;
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
  padding: 0 8px;
}

.otp-box {
  flex: 0 0 auto;
  width: 34px;
  height: 50px;
  border: 1.5px solid var(--verify-orange);
  border-radius: 5px;
  text-align: center;
  font-size: 1.2rem;
  font-weight: 600;
  color: #222222;
  outline: none;
  background: #ffffff;
  padding: 0;
}

.otp-box:focus {
  border-color: var(--verify-yellow);
  box-shadow: none;
}

.otp-box.input-error { border-color: var(--sp-error); }

.verify-resend {
  flex-shrink: 0;
  text-align: center;
  font-size: 0.84rem;
  color: #999999;
  padding: 1.25rem 1rem calc(env(safe-area-inset-bottom, 12px) + 1.5rem);
  background: #ffffff;
}

.verify-resend span {
  color: var(--verify-orange);
  font-weight: 700;
}

/* PIN screen */
.smartpay-screen--pin {
  background-color: #111;
}

.sp-pin-overlay {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-height: 100%;
  padding: clamp(200px, 38vh, 280px) 24px calc(env(safe-area-inset-bottom, 16px) + 24px);
}

.sp-logo {
  width: min(200px, 55vw);
  height: auto;
  margin-bottom: 1.25rem;
}

.sp-logo--pin {
  margin-bottom: 1rem;
}

.sp-pin-label {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--sp-white);
  margin-bottom: 1.5rem;
  text-align: center;
}

.pin-dots {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.pin-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.85);
  background: transparent;
  transition: background 0.15s ease;
}

.pin-dot.filled {
  background: var(--sp-white);
}

.pin-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem 1.5rem;
  width: min(300px, 82vw);
  margin-top: auto;
}

.pin-key {
  width: 72px;
  height: 72px;
  margin: 0 auto;
  border: 2px solid var(--sp-yellow);
  border-radius: 50%;
  background: transparent;
  color: var(--sp-white);
  font-size: 1.65rem;
  font-weight: 600;
  font-family: var(--font);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.12s ease, transform 0.08s ease;
}

.pin-key:active {
  background: rgba(245, 166, 35, 0.2);
  transform: scale(0.96);
}

.pin-key--empty {
  border: none;
  pointer-events: none;
  visibility: hidden;
}

.pin-key--back {
  border: none;
  border-radius: 16px;
  background: var(--sp-yellow);
  color: #111111;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
}

.pin-key--back:active {
  background: var(--sp-yellow-dark);
  transform: scale(0.96);
}

/* Errors & toast */
.form-error {
  color: var(--sp-error);
  font-size: 0.82rem;
  margin-top: 0.65rem;
  text-align: left;
}

.verify-body .form-error,
.sp-pin-overlay .form-error {
  text-align: center;
  margin-top: 0.85rem;
}

.smartpay-screen .form-error { color: #ff8a80; }

.user-toast {
  position: fixed;
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom, 16px) + 24px);
  transform: translateX(-50%) translateY(120%);
  z-index: 9999;
  max-width: min(340px, 90vw);
  padding: 0.85rem 1.25rem;
  border-radius: 12px;
  background: rgba(17, 17, 17, 0.92);
  color: var(--sp-white);
  font-size: 0.88rem;
  text-align: center;
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
}

.user-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.user-toast.error {
  background: rgba(231, 76, 60, 0.95);
}

@media (max-width: 360px) {
  .otp-box {
    width: 30px;
    height: 46px;
  }

  .otp-boxes { gap: 5px; }

  .pin-key {
    width: 64px;
    height: 64px;
    font-size: 1.45rem;
  }

  .pin-keypad {
    gap: 1rem 1.1rem;
  }
}

@media (min-width: 400px) {
  .otp-box {
    width: 36px;
    height: 52px;
  }
}