/**
 * SCORM Player Styles
 *
 * Clean, simple interface for SCORM package playback.
 *
 * @author Médéric (Académie des Étoiles)
 * @date October 2025
 */

/* ==========================================================================
   CSS Variables
   ========================================================================== */

:root {
  /* Colors */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-success: #10b981;
  --color-danger: #ef4444;

  /* Neutrals */
  --color-bg: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-bg-tertiary: #f3f4f6;
  --color-border: #e5e7eb;
  --color-text: #111827;
  --color-text-secondary: #6b7280;
  --color-text-tertiary: #9ca3af;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  /* Layout */
  --header-height: 60px;
  --nav-height: 60px;
  --footer-height: 32px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);

  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */

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

html, body {
  height: 100%;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow: hidden;
}

body {
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   Header
   ========================================================================== */

.player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 var(--spacing-lg);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.player-header__left {
  display: flex;
  align-items: center;
}

.player-header__logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
}

.player-header__center {
  flex: 1;
  margin: 0 var(--spacing-xl);
  text-align: center;
}

.player-header__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.player-header__right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.player-header__button {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  background-color: var(--color-primary);
  color: white;
}

.player-header__button:hover:not(:disabled) {
  background-color: var(--color-primary-hover);
}

.player-header__button--secondary {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text);
}

.player-header__button--secondary:hover:not(:disabled) {
  background-color: var(--color-border);
}

.player-header__button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ==========================================================================
   Main Content
   ========================================================================== */

.player-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.player-content {
  flex: 1;
  position: relative;
  overflow: hidden;
  background-color: var(--color-bg-secondary);
}

.player-content__frame {
  width: 100%;
  height: 100%;
  border: none;
  background-color: white;
}

/* ==========================================================================
   Welcome Screen
   ========================================================================== */

.player-welcome {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.player-welcome__content {
  text-align: center;
  max-width: 500px;
  padding: var(--spacing-xl);
}

.player-welcome__icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
}

.player-welcome__title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.player-welcome__text {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
}

.player-welcome__button {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  background-color: white;
  color: #667eea;
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: var(--shadow-lg);
}

.player-welcome__button:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.2);
}

/* ==========================================================================
   Navigation Controls
   ========================================================================== */

.player-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  padding: 0 var(--spacing-lg);
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -1px 2px 0 rgb(0 0 0 / 0.05);
  flex-shrink: 0;
}

.player-nav__button {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.player-nav__button:hover {
  background-color: var(--color-bg-tertiary);
  border-color: var(--color-primary);
}

.player-nav__lesson-selector {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.player-nav__select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  background-color: var(--color-bg);
  cursor: pointer;
  min-width: 250px;
}

.player-nav__select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.player-nav__arrow {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.player-nav__arrow:hover:not(:disabled) {
  background-color: var(--color-bg-tertiary);
  border-color: var(--color-primary);
}

.player-nav__arrow:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.player-nav__progress {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.player-nav__progress-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.player-nav__progress-bar {
  width: 150px;
  height: 8px;
  background-color: var(--color-bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}

.player-nav__progress-fill {
  height: 100%;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.player-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--footer-height);
  padding: 0 var(--spacing-lg);
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.player-footer__left,
.player-footer__right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* ==========================================================================
   Loading Overlay
   ========================================================================== */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.loading-overlay__spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.loading-overlay__text {
  margin-top: var(--spacing-lg);
  color: white;
  font-size: 1rem;
  font-weight: 600;
}

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

/* ==========================================================================
   Modal
   ========================================================================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal__content {
  position: relative;
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 500px;
  box-shadow: var(--shadow-lg);
  z-index: 1;
}

.modal__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.modal__message {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.modal__button {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.modal__button:hover {
  background-color: var(--color-primary-hover);
}