/* ═══════════════════════════════════════════
   LOGIN PORTAL — login.css
   Tutorea Student Portal
═══════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --primary:   #6C63FF;
  --primary-d: #574fd6;
  --primary-l: #a18bff;
  --accent:    #FF6584;
  --green:     #43D9A2;
  --bg:        #F0EFFF;
  --card:      #ffffff;
  --text:      #2D2B55;
  --muted:     #8884A8;
  --border:    #E0DEFF;
  --error:     #FF6584;
  --shadow:    rgba(108, 99, 255, 0.15);
}

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

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  font-family: 'Nunito', sans-serif;
  color: var(--text);
  overflow-x: hidden;
  padding: 24px;
  position: relative;
}

/* ── Background blobs ── */
.bg-blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(72px);
  opacity: 0.45;
  pointer-events: none;
  animation: blobDrift 14s ease-in-out infinite alternate;
  z-index: 0;
}
.bg-blob-1 { width: 420px; height: 420px; background: #b8b3ff; top: -100px; left: -100px; animation-delay: 0s; }
.bg-blob-2 { width: 320px; height: 320px; background: #ffa8b8; bottom: -80px; right: -80px; animation-delay: -5s; }
.bg-blob-3 { width: 260px; height: 260px; background: #a8f0d8; bottom: 10%; left: 10%; animation-delay: -10s; }
.bg-blob-4 { width: 200px; height: 200px; background: #ffe0a8; top: 20%; right: 15%; animation-delay: -3s; }

@keyframes blobDrift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, 25px) scale(1.1); }
}

/* ── Portal wrap ── */
.portal-wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  animation: cardIn 0.55s cubic-bezier(0.22, 0.68, 0, 1.2) both;
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(28px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Card ── */
.card {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 28px;
  padding: 40px 38px 34px;
  box-shadow:
    0 8px 32px var(--shadow),
    0 2px 8px rgba(0, 0, 0, 0.05);
}

/* ── Brand ── */
.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 26px;
}
.brand-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-l));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.65rem;
  box-shadow: 0 4px 18px rgba(108, 99, 255, 0.32);
  flex-shrink: 0;
}
.brand-name {
  font-family: 'Fredoka One', cursive;
  font-size: 1.45rem;
  color: var(--primary);
  letter-spacing: 0.5px;
  line-height: 1.1;
}
.brand-sub {
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-top: 2px;
}

/* ── Card heading ── */
.card-title {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 5px;
}
.card-sub {
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 26px;
}

/* ── Field label ── */
.field-label {
  display: block;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 7px;
}

/* ── Input wrap ── */
.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 18px;
}
.input-icon {
  position: absolute;
  left: 13px;
  font-size: 1rem;
  pointer-events: none;
  line-height: 1;
}
.field-input {
  width: 100%;
  padding: 13px 16px 13px 42px;
  border: 2px solid var(--border);
  border-radius: 14px;
  font-family: 'Nunito', sans-serif;
  font-size: 0.95rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.9);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.12);
}
.field-input.has-error {
  border-color: var(--error);
  box-shadow: 0 0 0 4px rgba(255, 101, 132, 0.1);
}

/* ── Eye toggle ── */
.eye-btn {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  padding: 4px;
  line-height: 1;
  transition: transform 0.2s;
}
.eye-btn:hover { transform: scale(1.2); }

/* ── Error message ── */
.error-msg {
  font-size: 0.8rem;
  color: var(--error);
  font-weight: 700;
  margin-top: -12px;
  margin-bottom: 14px;
  display: block;
}

/* ── Options row ── */
.options-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

/* ── Checkbox ── */
.check-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  user-select: none;
}
.check-label input[type="checkbox"] { display: none; }
.check-box {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 2px solid var(--border);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  color: transparent;
  transition: all 0.2s;
  flex-shrink: 0;
}
.check-label input:checked + .check-box {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.terms-check {
  margin-bottom: 20px;
  font-size: 0.83rem;
  align-items: flex-start;
  line-height: 1.5;
}
.terms-check .check-box { margin-top: 2px; }

/* ── Link button ── */
.link-btn {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  transition: color 0.18s;
}
.link-btn:hover { color: var(--primary-d); text-decoration: underline; }

/* ── Submit button ── */
.submit-btn {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-l) 100%);
  color: #fff;
  font-family: 'Nunito', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.18s, box-shadow 0.18s;
  box-shadow: 0 4px 18px rgba(108, 99, 255, 0.38);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.submit-btn:hover  { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(108, 99, 255, 0.45); }
.submit-btn:active { transform: translateY(0); }
.submit-btn:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }

/* ── Spinner inside button ── */
.btn-spinner {
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Divider ── */
.divider {
  text-align: center;
  position: relative;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 14px;
}
.divider::before,
.divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40%;
  height: 1px;
  background: var(--border);
}
.divider::before { left: 0; }
.divider::after  { right: 0; }

/* ── Google button ── */
.google-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: 14px;
  background: #fff;
  font-family: 'Nunito', sans-serif;
  font-size: 0.93rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
  margin-bottom: 20px;
}
.google-btn:hover {
  border-color: #4285F4;
  box-shadow: 0 4px 14px rgba(66, 133, 244, 0.18);
  transform: translateY(-1px);
}
.google-btn:disabled { opacity: 0.7; cursor: not-allowed; transform: none; }

/* ── Switch text ── */
.switch-txt {
  text-align: center;
  font-size: 0.84rem;
  color: var(--muted);
}

/* ── Reset success ── */
.reset-success {
  text-align: center;
  padding: 12px 0 4px;
  animation: cardIn 0.4s cubic-bezier(0.22, 0.68, 0, 1.5) both;
}
.success-icon { font-size: 3rem; display: block; margin-bottom: 14px; animation: popIn 0.4s cubic-bezier(0.22, 0.68, 0, 1.5) both; }
.reset-success h3 { font-size: 1.2rem; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.reset-success p  { font-size: 0.85rem; color: var(--muted); margin-bottom: 18px; line-height: 1.55; }
@keyframes popIn { from { transform: scale(0); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ── Toast ── */
#portal-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(120px);
  background: var(--text);
  color: #fff;
  padding: 12px 26px;
  border-radius: 50px;
  font-family: 'Nunito', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: 0 6px 28px rgba(0,0,0,0.28);
  z-index: 9999;
  transition: transform 0.35s cubic-bezier(0.22, 0.68, 0, 1.2);
  white-space: nowrap;
  pointer-events: none;
}
#portal-toast.show { transform: translateX(-50%) translateY(0); }

/* ── Utility ── */
.hidden { display: none !important; }

/* ── Responsive ── */
@media (max-width: 480px) {
  .card { padding: 30px 22px 28px; border-radius: 22px; }
  .card-title { font-size: 1.35rem; }
}

/* card-close-button */

.card-close-btn {
  position: absolute;
  top: 16px;
  right: 18px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--border);
  color: var(--muted);
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.18s, color 0.18s, transform 0.18s;
  line-height: 1;
}
.card-close-btn:hover {
  background: var(--accent);
  color: #fff;
  transform: scale(1.12) rotate(90deg);
}

/* ── Role Toggle ── */
.role-toggle {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
  padding: 5px;
  background: var(--border);
  border-radius: 14px;
}
.role-btn {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 10px;
  border: none;
  border-radius: 10px;
  background: transparent;
  font-family: 'Nunito', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 480px) {
  .role-toggle { gap: 4px; padding: 4px; }
  .role-btn { padding: 8px 2px; font-size: 0.7rem; gap: 3px; }
  .role-icon { font-size: 0.9rem; }
}
.role-btn:hover {
  color: var(--text);
}
.role-btn.active {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 2px 10px rgba(108, 99, 255, 0.2);
}
.role-icon {
  font-size: 1.1rem;
}