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

:root {
  --red: #38bdf8;
  --red-hover: #0ea5e9;
  --red-light: #fef2f2;
  --text: #1c1c1e;
  --text-2: #6b7280;
  --text-3: #9ca3af;
  --border: #e5e7eb;
  --bg: #d6d8d4;
  --card: #f0f1ef;
  --input-bg: #ffffff;
  --white: #ffffff;
}

[data-theme="dark"] {
  --bg: #1a1c1e;
  --card: #242628;
  --text: #f0f0f0;
  --text-2: #9ca3af;
  --text-3: #6b7280;
  --border: #333537;
  --input-bg: #1a1c1e;
  --white: #242628;
  --red-light: rgba(200, 16, 46, .12);
}

body {
  font-family: 'DM Sans', sans-serif;
  background: #000;
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  transition: background .3s, color .3s;
  background-image: url("../image/tfvc-homepagepic.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  z-index: 0;
}

/* ── CARD ── */
.login-card {
  background: var(--card);
  border-radius: 24px;
  box-shadow: 0 2px 0 rgba(255, 255, 255, .6) inset,
    0 20px 60px rgba(0, 0, 0, .14),
    0 4px 16px rgba(0, 0, 0, .08);
  width: 100%;
  max-width: 400px;
  padding: 40px 36px 32px;
  animation: fadeUp .45s cubic-bezier(.22, .68, 0, 1.2);
  z-index: 1;
  position: relative;
}

[data-theme="dark"] .login-card {
  box-shadow: 0 1px 0 rgba(255, 255, 255, .04) inset,
    0 20px 60px rgba(0, 0, 0, .5);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px) scale(.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ── LOGO AREA ── */
.logo-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 24px;
}

.logo-circle {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .08);
  overflow: hidden;
}

.logo-circle img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.logo-circle-icon {
  font-size: 28px;
  color: var(--red);
}

.logo-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .3px;
  margin-bottom: 7px;
  text-align: center;
}

.logo-sub {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* ── DIVIDER ── */
.divider-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
}

.divider-label::before,
.divider-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.divider-label span {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ── ERROR ── */
.login-error {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--red-light);
  border: 1px solid rgba(200, 16, 46, .2);
  border-radius: 10px;
  font-size: 12.5px;
  color: #991b1b;
  margin-bottom: 16px;
  font-weight: 600;
}

[data-theme="dark"] .login-error {
  color: #fca5a5;
}

/* ── STEPS ── */
.login-step {
  display: none;
}

.login-step.active {
  display: block;
}

.back-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-3);
  cursor: pointer;
  margin-bottom: 16px;
  width: fit-content;
  transition: color .15s;
}

.back-link:hover {
  color: var(--text);
}

/* ── FIELDS ── */
.field {
  margin-bottom: 12px;
}

.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 6px;
}

.field-wrap {
  position: relative;
}

.field-wrap i.fi {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  font-size: 12px;
  pointer-events: none;
}

.field-wrap input {
  width: 100%;
  padding: 10px 14px 10px 36px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 13px;
  font-family: 'DM Sans', sans-serif;
  background: var(--input-bg);
  color: var(--text);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}

.field-wrap input:focus {
  border-color: var(--red);
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.15);
}

.field-wrap input::placeholder {
  color: var(--text-3);
  font-size: 12.5px;
}

.toggle-pwd {
  position: absolute;
  right: 11px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: var(--text-3);
  font-size: 12px;
  background: none;
  border: none;
  padding: 4px;
  display: flex;
  align-items: center;
}

.toggle-pwd:hover {
  color: var(--text-2);
}

/* ── OTP ── */
.otp-instruction {
  font-size: 12.5px;
  color: var(--text-2);
  margin-bottom: 20px;
  line-height: 1.5;
}

.otp-instruction strong {
  color: var(--red);
  font-weight: 700;
}

.otp-inputs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 20px;
}

.otp-inputs input {
  width: 44px;
  height: 54px;
  text-align: center;
  font-size: 22px;
  font-weight: 800;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--input-bg);
  color: var(--text);
  font-family: 'DM Sans', monospace;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}

.otp-inputs input:focus {
  border-color: var(--red);
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.15);
}

/* ── SUBMIT ── */
.login-btn {
  width: 100%;
  padding: 12px;
  background: var(--red);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 700;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  letter-spacing: .3px;
  transition: background .15s, transform .15s, box-shadow .15s;
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.25);
}

.login-btn:hover {
  background: var(--red-hover);
  transform: translateY(-1px);
}

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

.login-btn:disabled {
  opacity: .65;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ── FOOTER ── */
.login-footer {
  text-align: center;
  margin-top: 20px;
  font-size: 12px;
  color: var(--text-3);
}

.login-footer a {
  color: var(--red);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.login-footer a:hover {
  text-decoration: underline;
}

.login-footer a.disabled {
  color: var(--text-3);
  pointer-events: none;
  text-decoration: none;
}

/* ── DARK TOGGLE ── */
.dark-btn {
  position: fixed;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .15s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .08);
  z-index: 2;
}

.dark-btn:hover {
  border-color: var(--red);
  color: var(--red);
}

/* ── RESPONSIVE ── */
@media (max-width: 440px) {
  .login-card {
    padding: 32px 24px 26px;
    border-radius: 18px;
  }

  .otp-inputs input {
    width: 38px;
    height: 48px;
    font-size: 19px;
  }
}