/**
 * SSO Moodle Integration - Styles
 * 
 * Modern monochrome design system for SSO-related elements
 */

/* --------------------------------------------------------------
   Monochrome visual refresh (black & white palette)
-------------------------------------------------------------- */
:root {
    --sso-white: #ffffff;
    --sso-black: #0f0f0f;
    --sso-gray-05: #fcfcfc;
    --sso-gray-15: #f2f2f2;
    --sso-gray-35: #d9d9d9;
    --sso-gray-55: #a3a3a3;
    --sso-gray-75: #5e5e5e;
}

.sso-moodle-surface,
.sso-moodle-surface * {
    font-family: 'Lay-Grotesk-Bold', 'Helvetica Neue', Arial, sans-serif;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.sso-moodle-surface {
    background: var(--sso-white);
    color: var(--sso-black);
    border: 1px solid var(--sso-black);
    padding: clamp(1.5rem, 2vw, 2.5rem);
    margin: 0 auto clamp(2rem, 4vw, 3rem);
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: clamp(1.5rem, 2vw, 2.5rem);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.08);
}

.sso-moodle-header {
    display: grid;
    gap: 0.75rem;
}

.sso-moodle-eyebrow {
    margin: 0;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.24em;
    color: var(--sso-gray-75);
}
.sso-moodle-title-login {
    margin: 0;
    font-size: clamp(2rem, 3vw, 3rem);
    line-height: 1.1;
    color: var(--sso-black);
}

.sso-moodle-title {
    margin: 0;
    font-size: clamp(2rem, 3vw, 3rem);
    line-height: 1.1;
}

.sso-moodle-subtitle {
    margin: 0;
    color: var(--sso-gray-75);
    line-height: 1.6;
}

.sso-moodle-panel {
    border: 1px solid var(--sso-black);
    background: var(--sso-gray-05);
    padding: clamp(1.25rem, 2vw, 2rem);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sso-moodle-panel-title {
    margin: 0;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
}

.sso-progress {
    display: grid;
    gap: 0.75rem;
}

.sso-progress-track {
    width: 100%;
    height: 16px;
    border: 1px solid var(--sso-black);
    background: var(--sso-white);
    position: relative;
    overflow: hidden;
}

.sso-progress-fill {
    display: block;
    height: 100%;
    background: var(--sso-black);
    transform-origin: left center;
    transition: width 0.4s ease;
}

.sso-progress-summary {
    display: flex;
    gap: 1rem;
    align-items: baseline;
    flex-wrap: wrap;
}

.sso-progress-value {
    font-size: 1.75rem;
    line-height: 1;
}

.sso-progress-text {
    font-size: 0.9rem;
    color: var(--sso-gray-75);
}


.sso-section-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.sso-section-tile {
    border: 1px solid var(--sso-black);
    background: var(--sso-white);
    padding: 1.25rem;
    display: grid;
    gap: 0.5rem;
    text-align: left;
    cursor: pointer;
    transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.sso-section-tile:hover:not(:disabled) {
    transform: translateY(-4px);
    background: var(--sso-black);
    color: var(--sso-white);
}

.sso-section-tile:disabled,
.sso-section-tile.is-locked {
    background: var(--sso-gray-15);
    border-style: dashed;
    color: var(--sso-gray-75);
    cursor: not-allowed;
}

.sso-section-index {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--sso-gray-75);
}

.sso-section-name {
    font-size: 1.1rem;
    line-height: 1.3;
}

.sso-section-course {
    font-size: 0.85rem;
    color: var(--sso-gray-60);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.sso-section-tile:hover:not(:disabled) .sso-section-course {
    color: var(--sso-white);
}

.sso-section-tile.is-locked .sso-section-course,
.sso-section-tile:disabled .sso-section-course {
    color: var(--sso-gray-70);
}

.sso-section-status {
    font-size: 0.75rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.sso-activities {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sso-activity {
    border: 1px solid var(--sso-black);
    background: var(--sso-white);
    padding: clamp(1.25rem, 2vw, 1.75rem);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sso-activity:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 36px rgba(0, 0, 0, 0.12);
}

.sso-activity.is-complete {
    background: var(--sso-gray-15);
}

.sso-activity-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 1rem;
}

.sso-activity-title {
    font-size: 1.2rem;
    margin: 0;
}

.sso-activity-status {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--sso-black);
}

.sso-activity-status.is-incomplete {
    color: var(--sso-gray-75);
}

.sso-activity-status.is-untracked {
    color: var(--sso-gray-55);
    font-style: italic;
}

.sso-activity-description {
    color: var(--sso-gray-75);
    line-height: 1.6;
    margin-top: 0.75rem;
}

.sso-activity-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1.25rem;
}

.sso-button {
    border: 1px solid var(--sso-black);
    background: var(--sso-white);
    color: var(--sso-black);
    padding: 0.75rem 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: background 0.3s ease, color 0.3s ease;
}

.sso-button--primary {
    background: var(--sso-black);
    color: var(--sso-white);
}

.sso-button--primary:hover {
    background: var(--sso-white);
    color: var(--sso-black);
}

.sso-button--ghost:hover {
    background: var(--sso-black);
    color: var(--sso-white);
}

.sso-button[disabled],
.sso-button.is-disabled {
    background: var(--sso-gray-15);
    color: var(--sso-gray-75);
    border-color: var(--sso-gray-35);
    cursor: not-allowed;
}

.sso-error {
    padding: 1rem 1.5rem;
    border: 1px solid var(--sso-black);
    background: var(--sso-gray-15);
    color: var(--sso-black);
    margin: 0;
}

.sso-empty {
    color: var(--sso-gray-75);
}


.sso-section-summary {
    background: var(--sso-white);
    border: 1px solid var(--sso-black);
    padding: 1.25rem;
    line-height: 1.7;
}

.sso-external-media {
    border: 1px solid var(--sso-black);
    background: #000;
    padding: 1rem;
    margin-block: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sso-external-media__frame {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #000;
    overflow: hidden;
}

.sso-external-media__frame--video {
    padding-top: 56.25%;
}

.sso-external-media__iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.sso-external-media__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
}

.sso-external-media__link {
    align-self: flex-start;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sso-white);
    text-decoration: none;
    background: var(--sso-black);
    padding: 0.5rem 0.75rem;
    border-radius: 999px;
    transition: background 0.3s ease, color 0.3s ease;
}

.sso-external-media__link:hover,
.sso-external-media__link:focus {
    background: var(--sso-white);
    color: var(--sso-black);
}

.sso-external-media[data-provider="vimeo"] {
    background: linear-gradient(135deg, #000 0%, #1a1a1a 100%);
}

.sso-moodle-section-admin-placeholder {
    border: 1px dashed var(--sso-black);
    padding: 1.5rem;
    background: var(--sso-gray-05);
    color: var(--sso-gray-75);
    font-style: normal;
}

@media (max-width: 768px) {
    .sso-moodle-surface {
        padding: 1.5rem;
    }

    .sso-moodle-panel {
        padding: 1.25rem;
    }

    .sso-section-grid {
        grid-template-columns: 1fr;
    }

    .sso-activity {
        padding: 1.25rem;
    }

    .sso-progress-summary {
        flex-direction: column;
        align-items: flex-start;
    }

    .sso-external-media {
        padding: 0.75rem;
    }

    .sso-external-media__frame--video {
        padding-top: 62.5%;
    }
}

/* Moodle Login Notice & Button */
.sso-moodle-login-notice {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--sso-white);
  border: 1px solid var(--sso-gray-35);
  border-radius: clamp(12px, 3vw, 18px);
  padding: clamp(1.25rem, 4vw, 2rem);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.sso-login-notice-content {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 1.5rem);
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .sso-login-notice-content {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
}

.sso-notice-icon {
  width: clamp(28px, 6vw, 36px);
  height: clamp(28px, 6vw, 36px);
  color: var(--sso-black);
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .sso-notice-icon {
    margin: 0 auto;
  }
}

.sso-notice-text {
  flex: 1 1 auto;
  min-width: 0;
}

.sso-notice-message {
  margin: 0;
  font-family: 'Lay-Grotesk-Medium', 'Helvetica Neue', Arial, sans-serif;
  font-size: clamp(0.875rem, 2.2vw, 1rem);
  line-height: 1.5;
  color: var(--sso-black);
  letter-spacing: clamp(0.01em, 0.2vw, 0.02em);
}

.sso-button--login {
  background: var(--sso-black);
  color: var(--sso-white);
  border: 1px solid var(--sso-black);
  border-radius: 999px;
  padding: clamp(10px, 2.5vw, 14px) clamp(20px, 5vw, 32px);
  font-family: 'Lay-Grotesk-Bold', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 500;
  font-size: clamp(0.8125rem, 2.3vw, 0.9375rem);
  letter-spacing: clamp(0.04em, 0.5vw, 0.08em);
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: clamp(8px, 2vw, 12px);
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .sso-button--login {
    width: 100%;
  }
}

.sso-button--login:hover,
.sso-button--login:focus {
  background: var(--sso-gray-75);
  border-color: var(--sso-gray-75);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
  outline: none;
}

.sso-button--login:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.sso-button--login.sso-loading {
  opacity: 0.75;
  cursor: wait;
  pointer-events: none;
}

.sso-button-icon {
  width: clamp(16px, 4vw, 20px);
  height: clamp(16px, 4vw, 20px);
  flex-shrink: 0;
}

/* Login button states */
.sso-moodle-login-notice.is-logged-in .sso-button--login {
  background: var(--sso-white);
  color: #155724;
  border-color: #28a745;
}

.sso-moodle-login-notice.is-logged-in .sso-notice-message {
  color: #155724;
}

.sso-moodle-login-notice.is-logged-in .sso-notice-icon {
  color: #28a745;
}

.sso-moodle-login-notice.is-logged-in .sso-button--login:hover {
  background: #f0f8f4;
  border-color: #1e7e34;
  color: #1e7e34;
}

/* File Link Styles */
.sso-file-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  margin: 0.25rem 0.5rem 0.25rem 0;
  background: var(--sso-gray-15, #f5f5f5);
  border: 1px solid var(--sso-gray-35, #ccc);
  border-radius: 4px;
  text-decoration: none;
  color: var(--sso-black);
  transition: all 0.2s ease;
}

.sso-file-link:hover {
  background: var(--sso-black);
  color: var(--sso-white);
  border-color: var(--sso-black);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

/* Screen Reader Only */
.sso-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}