/* register.css */

/*--------------------------------------
  1. Root Variables
--------------------------------------*/
:root {
  --brand-navy: #003366;
  --brand-accent: #0d47a1;
  --brand-light: #3399ff;
  --bg-page: #f0f6ff;
  --bg-form: #ffffff;
  --shadow-light: rgba(0, 51, 102, 0.2);
  --error-red: #e53935;
  --text-muted: #666666;
  --transition-speed: 0.2s ease;
  --radius-sm: 4px;
  --radius-md: 8px;
  --spacing-sm: 0.75em;
  --spacing-md: 2em;
}

/*--------------------------------------
  2. Reset & Base
--------------------------------------*/
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg-page);
  color: var(--brand-navy);
  line-height: 1.5;
}

/*--------------------------------------
  3. Header
--------------------------------------*/
.header-container {
  background: var(--bg-page);
  padding: 2vh 0;
  text-align: center;
}

.header .logo {
  display: inline-block;
  width: 50vw;
  max-width: 300px;
  aspect-ratio: 9/4;
  background: url('../images/logo.png') no-repeat center;
  background-size: contain;
}

/*--------------------------------------
  4. Body Layout
--------------------------------------*/
.login-body {
  flex: 1 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2vh 4vw 4em;
}

/*--------------------------------------
  5. Form Container
--------------------------------------*/
.form-container {
  width: 100%;
  max-width: 500px;
  background: var(--bg-form);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px var(--shadow-light);
}

@media screen and (min-width: 992px) {
  .form-container {
    max-width: 650px;
  }
}

.form-container h2 {
  text-align: center;
  margin-bottom: var(--spacing-sm);
  color: var(--brand-accent);
}

/*--------------------------------------
  6. Inputs & Selects with Icon Alignment
--------------------------------------*/
.input {
  margin-bottom: 1.2em;
}

.input label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.3em;
}

.input i.bi {
  flex: 0 0 auto;
  font-size: 1.2em;
  color: var(--brand-accent);
  margin-right: 0.6em;
}

.input .input-wrapper {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid #ccc;
  border-radius: var(--radius-sm);
  padding: 0 var(--spacing-sm);
  transition: border-color var(--transition-speed);
}

.input .input-wrapper:focus-within {
  border-color: var(--brand-accent);
}

.form-input,
.form-select {
  flex: 1 1 auto;
  border: none;
  font-size: 1em;
  padding: var(--spacing-sm) 0;
  background: transparent;
  outline: none;
}

/*--------------------------------------
  7. Scholar Section
--------------------------------------*/
.scholar-only {
  margin-top: 1em;
  padding-top: 1em;
}

.scholar-only h5 {
  margin-bottom: 0.5em;
}

/*--------------------------------------
  8. Submit Button
--------------------------------------*/
.submit-btn {
  width: 100%;
  padding: var(--spacing-sm);
  background: var(--brand-accent);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1em;
  cursor: pointer;
  transition: background-color var(--transition-speed);
}

.submit-btn:not(:disabled):hover {
  background: #1565c0;
}

.submit-btn:disabled {
  background: #90a4ae;
  cursor: not-allowed;
  opacity: 0.7;
}

/*--------------------------------------
  9. Links & Messages
--------------------------------------*/
.login-link {
  text-align: center;
  margin-top: 1.5em;
}

.login-link a {
  color: var(--brand-accent);
  text-decoration: underline;
}

.flash-message {
  color: var(--error-red);
  font-size: 0.9rem;
  text-align: center;
  margin-top: 1em;
}

/*--------------------------------------
  10. Footer
--------------------------------------*/
.login-footer {
  flex: 0 0 auto;
  margin-top: auto;
  background: linear-gradient(
    270deg,
    var(--brand-navy),
    var(--brand-light),
    var(--brand-navy)
  );
  background-size: 600% 600%;
  animation: footerGradient 8s linear infinite;
  color: #cccccc;
  text-align: center;
  padding: 2em 1em 1em;
  font-size: 0.9rem;
}

.login-footer .powered-by a {
  color: #ffffff;
  text-decoration: underline;
}

@keyframes footerGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/*--------------------------------------
  11. Reduced Motion
--------------------------------------*/
@media (prefers-reduced-motion: reduce) {
  .login-footer {
    animation: none;
  }
}