/* =========================================================
   Tixora Login Page — Stylesheet
   ========================================================= */

:root {
  /* Brand palette */
  --color-primary: #001F54;
  --color-secondary: #00B4D8;
  --color-accent: #48CAE4;
  --color-success: #2ECC71;
  --color-background: #F0F4F8;
  --color-border: #D1D9E6;
  --color-text: #1A1A2E;

  /* Derived / support tones */
  --color-primary-soft: #0A2E6E;
  --color-error: #E63946;
  --color-white: #FFFFFF;
  --color-muted: #6B7385;

  /* Typography */
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Layout */
  --card-radius: clamp(18px, 3vw, 28px);
  --control-radius: 12px;
  --card-max-width: 460px;
  --transition-fast: 200ms ease;
  --transition-med: 250ms ease;

  /* Shadow */
  --shadow-card: 0 10px 30px rgba(0, 31, 84, 0.08);
  --shadow-card-lg: 0 20px 45px rgba(0, 31, 84, 0.12);
}

/* =========================================================
   Reset & base
   ========================================================= */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  overflow-x: hidden;
  width: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-background);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  margin: 0;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================================
   Page shell
   ========================================================= */
.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;        /* <--- ADDED: Spans full available width */
  margin: 0 auto;     /* <--- ADDED: Keeps container centered on screen */
  padding: 0 clamp(16px, 4vw, 24px) clamp(32px, 6vw, 56px);
}

/* =========================================================
   Branded header panel
   ========================================================= */
.brand-panel {
  position: relative;
  background: linear-gradient(115deg, var(--color-primary) 0%, var(--color-primary-soft) 45%, var(--color-secondary) 100%);
  padding: clamp(28px, 6vw, 56px) clamp(16px, 4vw, 24px) clamp(56px, 9vw, 88px);
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}

.brand-panel__glow {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 160%;
  background: radial-gradient(closest-side, rgba(72, 202, 228, 0.35), transparent 70%);
  animation: glow-drift 10s ease-in-out infinite alternate;
  z-index: -1;
}

@keyframes glow-drift {
  from { transform: translate(-6%, -4%) scale(1); }
  to   { transform: translate(6%, 4%) scale(1.08); }
}

.brand-panel__inner {
  max-width: 480px;
  margin: 0 auto;
  animation: fade-drop 700ms ease both;
}

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

.brand-panel__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(76px, 10vw, 100px);
  height: clamp(76px, 10vw, 100px);
  margin: 0 auto 16px;
  padding: clamp(10px, 1.6vw, 14px);
  background: var(--color-white);
  border-radius: clamp(20px, 3vw, 26px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28), 0 2px 6px rgba(0, 0, 0, 0.12);
  animation: fade-drop 700ms ease both, logo-pop 700ms cubic-bezier(0.22, 1, 0.36, 1) 80ms both;
}

.brand-panel__logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

@keyframes logo-pop {
  from { transform: scale(0.7); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.brand-panel__name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(1.5rem, 4vw, 1.9rem);
  color: var(--color-white);
  letter-spacing: 0.02em;
}

.brand-panel__tagline {
  margin-top: 6px;
  font-size: clamp(0.85rem, 2vw, 0.95rem);
  color: rgba(255, 255, 255, 0.82);
  font-weight: 500;
}

/* =========================================================
   Card
   ========================================================= */
.card {
  position: relative;
  width: 100%;
  max-width: var(--card-max-width);
  margin-top: clamp(-48px, -8vw, -32px);
  background: var(--color-white);
  border-radius: var(--card-radius);
  box-shadow: var(--shadow-card);
  padding: clamp(28px, 6vw, 40px) clamp(20px, 5vw, 36px) clamp(28px, 5vw, 32px);
  animation: card-rise 650ms cubic-bezier(0.22, 1, 0.36, 1) 120ms both;
  transition: box-shadow var(--transition-med);
}

.card:hover {
  box-shadow: var(--shadow-card-lg);
}

@keyframes card-rise {
  from { opacity: 0; transform: translateY(22px) scale(0.985); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.card__head {
  text-align: center;
  margin-bottom: clamp(20px, 4vw, 28px);
}

.card__title {
  font-size: clamp(1.4rem, 4vw, 1.75rem);
  font-weight: 700;
  color: var(--color-primary);
}

.card__subtitle {
  margin-top: 8px;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--color-muted);
}

/* =========================================================
   Form
   ========================================================= */
.form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field__label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
}

.field__control {
  position: relative;
  display: flex;
  align-items: center;
}

.field__icon {
  position: absolute;
  left: 14px;
  color: var(--color-muted);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.field__input {
  width: 100%;
  min-height: 48px;
  padding: 12px 44px 12px 44px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--control-radius);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.field__input::placeholder {
  color: #9AA3B5;
}

.field__input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(72, 202, 228, 0.18);
}

.field__input:focus ~ .field__icon,
.field__control:has(.field__input:focus) .field__icon {
  color: var(--color-secondary);
}

.field__input.is-valid {
  border-color: var(--color-success);
}

.field__input.is-invalid {
  border-color: var(--color-error);
}

.field__valid-icon {
  position: absolute;
  right: 14px;
  color: var(--color-success);
  opacity: 0;
  transform: scale(0.6);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.field__input.is-valid ~ .field__valid-icon {
  opacity: 1;
  transform: scale(1);
}

.field__toggle {
  position: absolute;
  right: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  border-radius: 50%;
  color: var(--color-muted);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.field__toggle:hover {
  color: var(--color-primary);
  background: rgba(0, 31, 84, 0.06);
}

.field__toggle .toggle-icon {
  display: none;
}

.field__toggle .toggle-icon.is-active {
  display: block;
}

.field__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 18px;
}

.field__error {
  font-size: 0.78rem;
  color: var(--color-error);
  min-height: 1em;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.field__error.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.link {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-secondary);
  position: relative;
  white-space: nowrap;
}

.link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1.5px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-med);
}

.link:hover::after,
.link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.link--forgot {
  margin-left: auto;
}

/* =========================================================
   Checkbox field (signup terms agreement)
   ========================================================= */
.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: -4px;
}

.checkbox-field__input {
  appearance: none;
  -webkit-appearance: none;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  border: 1.5px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-white);
  cursor: pointer;
  display: grid;
  place-content: center;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.checkbox-field__input::before {
  content: '';
  width: 10px;
  height: 10px;
  transform: scale(0);
  transition: transform var(--transition-fast);
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
  background: var(--color-white);
}

.checkbox-field__input:checked {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
}

.checkbox-field__input:checked::before {
  transform: scale(1);
}

.checkbox-field__input.is-invalid {
  border-color: var(--color-error);
}

.checkbox-field__label {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--color-muted);
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
  min-height: 48px;
  border: none;
  border-radius: var(--control-radius);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.98rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background var(--transition-med), transform var(--transition-fast), box-shadow var(--transition-med);
}

.btn--primary {
  width: 100%;
  background: var(--color-primary);
  color: var(--color-white);
  margin-top: 4px;
  box-shadow: 0 8px 18px rgba(0, 31, 84, 0.22);
  position: relative;
}

.btn--primary:hover {
  background: var(--color-secondary);
  box-shadow: 0 10px 22px rgba(0, 180, 216, 0.32);
}

.btn--primary:active {
  transform: translateY(1px);
}

.btn--primary:disabled {
  opacity: 0.85;
  cursor: progress;
}

.btn__spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255, 255, 255, 0.4);
  border-top-color: var(--color-white);
  border-radius: 50%;
}

.btn.is-loading .btn__label {
  opacity: 0.85;
}

.btn.is-loading .btn__spinner {
  display: inline-block;
  animation: spin 700ms linear infinite;
}

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

.form__status {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 500;
  min-height: 1.1em;
  color: var(--color-success);
}

.form__status.is-error {
  color: var(--color-error);
}

/* =========================================================
   Divider & social
   ========================================================= */
.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.divider__line {
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.divider__text {
  font-size: 0.78rem;
  color: var(--color-muted);
  white-space: nowrap;
}

.social-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.social-btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--control-radius);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-text);
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.social-btn:hover {
  border-color: var(--color-secondary);
  box-shadow: 0 6px 16px rgba(0, 31, 84, 0.08);
  transform: translateY(-1px);
}

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

/* =========================================================
   Sign-up note
   ========================================================= */
.signup-note {
  margin-top: 22px;
  text-align: center;
  font-size: 0.88rem;
  color: var(--color-muted);
}

.link--signup {
  color: var(--color-primary);
  font-weight: 600;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  flex-shrink: 0;
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
  padding: clamp(24px, 5vw, 36px) clamp(16px, 5vw, 48px) 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  width: 100%;
  max-width: 360px;
  justify-content: center;
}

.site-footer__brand img {
  flex-shrink: 0;
}

.site-footer__name {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-white);
  font-size: 1.05rem;
  text-align: left;
}

.site-footer__tagline {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 2px;
  text-align: left;
}

.site-footer__bottom {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.55);
}

/* =========================================================
   Responsive breakpoints
   ========================================================= */

/* <=480px : small phones */
@media (max-width: 480px) {
  .brand-panel {
    padding: 22px 16px 46px;
  }
  .brand-panel__logo {
    width: 60px;
    height: 60px;
  }
  .card {
    border-radius: 20px;
    padding: 24px 18px 26px;
  }
}

/* 769-1024px : tablets / iPad */
@media (min-width: 769px) {
  .main {
    padding-top: 8px;
  }
}

/* >=1200px: the branded panel stays a full-width top banner, just like on
   mobile/tablet — it no longer collapses into a boxed side panel. We only
   give it a little more breathing room and let the card sit comfortably
   underneath on wide screens. */
@media (min-width: 1200px) {
  .brand-panel {
    padding: clamp(40px, 5vw, 64px) 24px clamp(96px, 8vw, 128px);
  }
  .brand-panel__inner {
    max-width: 560px;
  }
  .main {
    padding-top: 0;
  }
  .card {
    margin-top: clamp(-72px, -6vw, -56px);
  }
}

/* >=1441px : large desktops / 4K */
@media (min-width: 1441px) {
  .main {
    max-width: 1320px;
  }
  .card {
    max-width: 500px;
  }
}

/* iOS safe area support */
@supports (padding: max(0px)) {
  .brand-panel {
    padding-top: max(clamp(28px, 6vw, 56px), env(safe-area-inset-top));
  }
  .site-footer {
    padding-bottom: max(20px, env(safe-area-inset-bottom));
  }
}

/* =========================================================
   Email Verification — OTP code input
   Added for: email-verification.html
   ========================================================= */
.otp-row {
  display: flex;
  gap: clamp(8px, 2vw, 14px);
  justify-content: center;
  margin: 4px 0 2px;
}

.otp-digit {
  width: clamp(40px, 11vw, 52px);
  height: clamp(48px, 13vw, 60px);
  text-align: center;
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 4vw, 1.4rem);
  font-weight: 700;
  color: var(--color-text);
  background: var(--color-background);
  border: 1.5px solid var(--color-border);
  border-radius: var(--control-radius);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.otp-digit:focus {
  outline: none;
  border-color: var(--color-secondary);
  background: var(--color-white);
  box-shadow: 0 0 0 4px rgba(0, 180, 216, 0.15);
}

.otp-digit.is-invalid {
  border-color: var(--color-error);
}

.otp-digit.is-filled {
  border-color: var(--color-primary-soft);
}

.verify-email-note {
  text-align: center;
  font-size: 0.92rem;
  color: var(--color-muted);
  line-height: 1.55;
  margin: 0;
}

.verify-email-note strong {
  color: var(--color-text);
}

.resend-row {
  text-align: center;
  font-size: 0.88rem;
  color: var(--color-muted);
}

.resend-row .link {
  font-weight: 600;
}

.resend-row .link[disabled],
.resend-row .link.is-disabled {
  pointer-events: none;
  color: var(--color-muted);
  opacity: 0.6;
  text-decoration: none;
}

/* =========================================================
   Forgot Password — single-page animated step flow
   Added for: forgot-password.html
   ========================================================= */
.fp-steps {
  position: relative;
  overflow: hidden;
}

.fp-step {
  display: none;
  flex-direction: column;
  gap: 18px;
  animation: fp-step-in 320ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.fp-step.is-active {
  display: flex;
}

@keyframes fp-step-in {
  from { opacity: 0; transform: translateX(18px); }
  to   { opacity: 1; transform: translateX(0); }
}

.fp-progress {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-bottom: 4px;
}

.fp-progress i {
  width: 26px;
  height: 4px;
  border-radius: 2px;
  background: var(--color-border);
  transition: background var(--transition-med);
}

.fp-progress i.is-done,
.fp-progress i.is-active {
  background: var(--color-secondary);
}

.fp-success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 4px;
  border-radius: 50%;
  background: rgba(46, 204, 113, 0.12);
  color: var(--color-success);
  display: grid;
  place-items: center;
}

@media (prefers-reduced-motion: reduce) {
  .fp-step {
    animation: none;
  }
}