*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

:root {
  --accent:       #007AFF;
  --accent-mid:   #0A84FF;
  --accent-bg:    #EBF3FF;
  --success:      #34C759;
  --danger:       #FF3B30;
  --danger-bg:    #FFF1F0;
  --text1:        #1C1C1E;
  --text2:        #3C3C43;
  --text3:        #8E8E93;
  --border:       rgba(0,0,0,0.09);
  --card:         rgba(255,255,255,0.88);
  --r-xl:  22px;
  --r-xxl: 32px;
  --sh-s:  0 1px 3px rgba(0,0,0,0.07);
  --sh-m:  0 4px 18px rgba(0,0,0,0.09), 0 1px 3px rgba(0,0,0,0.05);
  --sh-l:  0 8px 30px rgba(0,0,0,0.11), 0 2px 6px rgba(0,0,0,0.06);
  --blur:  blur(28px) saturate(160%);
  --sf: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;
}

html, body {
  width: 100%;
  min-height: 100%;
  font-family: var(--sf);
  color: var(--text1);
  -webkit-font-smoothing: antialiased;
  background: #F2F2F7;
}

.app {
  position: fixed;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 50% at 10% 0%,   rgba(0,122,255,0.13) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 90% 100%,  rgba(52,199,89,0.09) 0%, transparent 70%),
    linear-gradient(180deg, #F8FAFF 0%, #F2F2F7 50%, #EFF2F6 100%);
}

.app::before {
  content: "";
  position: absolute;
  inset: -120px;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 50% 30%, rgba(0,0,0,0.35), transparent 60%);
}

.shell {
  position: relative;
  z-index: 1;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding:
    calc(40px + env(safe-area-inset-top,    0px))
    calc(20px + env(safe-area-inset-right,  0px))
    calc(40px + env(safe-area-inset-bottom, 0px))
    calc(20px + env(safe-area-inset-left,   0px));
  gap: 0;
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  animation: fadeDown .5s cubic-bezier(.16,1,.3,1) both;
}

.brand-icon {
  width: 72px;
  height: 72px;
  border-radius: 22px;
  background: linear-gradient(145deg, #007AFF, #0A84FF);
  display: grid;
  place-items: center;
  box-shadow: 0 10px 28px rgba(0,122,255,0.32), 0 2px 6px rgba(0,0,0,0.08);
  border: 1px solid rgba(255,255,255,0.22);
}

.brand-name {
  font-size: 28px;
  font-weight: 950;
  letter-spacing: -1px;
  color: var(--text1);
}

.brand-sub {
  font-size: 14px;
  font-weight: 600;
  color: var(--text3);
  margin-top: -6px;
}

.card {
  width: 100%;
  max-width: 420px;
  border-radius: var(--r-xxl);
  border: 1px solid rgba(255,255,255,0.76);
  background: rgba(255,255,255,0.90);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--sh-l);
  padding: 28px 24px 24px;
  animation: fadeUp .5s .08s cubic-bezier(.16,1,.3,1) both;
}

.card-title {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.7px;
  color: var(--text1);
  margin-bottom: 4px;
}

.card-sub {
  font-size: 14px;
  font-weight: 600;
  color: var(--text3);
  margin-bottom: 24px;
  line-height: 1.4;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 8px;
}

.field-label {
  font-size: 12px;
  font-weight: 800;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 2px;
}

.field-wrap {
  position: relative;
}

.field-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  pointer-events: none;
  display: flex;
  align-items: center;
}

.field-input {
  width: 100%;
  height: 50px;
  border-radius: 14px;
  border: 1.5px solid var(--border);
  background: rgba(255,255,255,0.72);
  padding: 0 44px 0 42px;
  font-family: var(--sf);
  font-size: 15px;
  font-weight: 600;
  color: var(--text1);
  outline: none;
  transition: border-color .18s, box-shadow .18s, background .18s;
  appearance: none;
  -webkit-appearance: none;
}

.field-input::placeholder {
  color: var(--text3);
  font-weight: 500;
}

.field-input:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.96);
  box-shadow: 0 0 0 3.5px rgba(0,122,255,0.13);
}

.field-input.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3.5px rgba(255,59,48,0.11);
}

.field-toggle {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: grid;
  place-items: center;
  color: var(--text3);
  border-radius: 8px;
  transition: color .15s, background .15s;
}

.field-toggle:hover {
  color: var(--text2);
  background: rgba(0,0,0,0.05);
}

.company-sep {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 16px 0 10px;
}

.company-sep-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

.company-sep-label {
  font-size: 11.5px;
  font-weight: 800;
  color: var(--text3);
  white-space: nowrap;
}

.remember-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 18px 0 20px;
}

.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.toggle-track {
  width: 42px;
  height: 26px;
  border-radius: 999px;
  background: rgba(0,0,0,0.12);
  position: relative;
  transition: background .22s;
  flex-shrink: 0;
}

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.20);
  transition: transform .22s cubic-bezier(.34,1.56,.64,1);
}

input[type="checkbox"].toggle-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

input[type="checkbox"].toggle-input:checked + .toggle-track {
  background: var(--success);
}

input[type="checkbox"].toggle-input:checked + .toggle-track .toggle-thumb {
  transform: translateX(16px);
}

.toggle-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--text2);
  user-select: none;
}

.forgot-btn {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: var(--sf);
  transition: opacity .15s;
}

.forgot-btn:hover { opacity: .7; }

.submit-btn {
  width: 100%;
  height: 52px;
  border-radius: 15px;
  border: none;
  background: linear-gradient(160deg, #007AFF 0%, #0A84FF 100%);
  color: #fff;
  font-family: var(--sf);
  font-size: 16px;
  font-weight: 850;
  letter-spacing: -0.25px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 6px 20px rgba(0,122,255,0.30), 0 1px 4px rgba(0,0,0,0.08);
  transition: transform .15s cubic-bezier(.16,1,.3,1), box-shadow .15s, opacity .15s;
  position: relative;
  overflow: hidden;
}

.submit-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.14) 0%, transparent 60%);
  pointer-events: none;
}

.submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(0,122,255,0.36), 0 2px 6px rgba(0,0,0,0.08);
}

.submit-btn:active {
  transform: scale(.97);
  box-shadow: 0 4px 12px rgba(0,122,255,0.22);
}

.submit-btn:disabled {
  opacity: .6;
  cursor: not-allowed;
  transform: none;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: none;
}

.submit-btn.loading .btn-text { display: none; }
.submit-btn.loading .spinner  { display: block; }

.error-toast {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--danger-bg);
  border: 1px solid rgba(255,59,48,0.16);
  margin-bottom: 16px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--danger);
  line-height: 1.35;
  animation: fadeIn .2s ease both;
}

.error-toast.visible { display: flex; }

.error-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--danger);
  color: #fff;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.success-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background:
    radial-gradient(ellipse 80% 50% at 50% 40%, rgba(52,199,89,0.14) 0%, transparent 70%),
    rgba(242,242,247,0.96);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s;
}

.success-overlay.show {
  opacity: 1;
  pointer-events: all;
}

.success-orb {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: #EDFBF2;
  display: grid;
  place-items: center;
  box-shadow: inset 0 0 0 1px rgba(52,199,89,0.14), 0 10px 28px rgba(52,199,89,0.20);
  animation: pop .45s .1s cubic-bezier(.34,1.56,.64,1) both;
}

.success-text {
  font-size: 28px;
  font-weight: 950;
  letter-spacing: -0.9px;
  color: var(--text1);
  animation: fadeUp .4s .2s cubic-bezier(.16,1,.3,1) both;
}

.success-sub {
  font-size: 15px;
  font-weight: 650;
  color: var(--text3);
  animation: fadeUp .4s .28s cubic-bezier(.16,1,.3,1) both;
}

.footer {
  margin-top: 20px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text3);
  text-align: center;
  animation: fadeUp .5s .18s cubic-bezier(.16,1,.3,1) both;
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes pop {
  from { opacity: 0; transform: scale(.6); }
  to   { opacity: 1; transform: scale(1); }
}

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

@media (min-width: 600px) {
  .card        { padding: 36px 32px 30px; }
  .card-title  { font-size: 28px; }
  .brand-icon  { width: 82px; height: 82px; border-radius: 26px; }
  .brand-name  { font-size: 32px; }
}

@media (max-width: 374px) {
  .brand      { margin-bottom: 24px; }
  .card       { padding: 22px 18px 20px; border-radius: 26px; }
  .card-title { font-size: 22px; }
}