/*
 * SYLLABUS PARSER
 * Aesthetic: Editorial Brutalist
 * Typography: Instrument Serif + IBM Plex Mono
 * Palette: Warm black, cream, vermillion accent
 */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Instrument+Serif:ital@0;1&display=swap');

:root {
  --bg: #0a0a09;
  --bg-elevated: #141413;
  --bg-card: #1a1a18;
  --bg-input: #0f0f0e;
  --border: #2a2a28;
  --border-focus: #e54d2e;

  --text: #fffcf5;
  --text-muted: #a8a29e;
  --text-dim: #57534e;

  --accent: #e54d2e;
  --accent-hover: #f76b4a;
  --accent-muted: rgba(229, 77, 46, 0.15);

  --success: #5bb98c;
  --warning: #f5a623;

  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

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

::selection {
  background: var(--accent);
  color: var(--bg);
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* === LAYOUT === */
.app {
  display: grid;
  grid-template-columns: 1fr min(720px, 100%) 1fr;
  padding: 0 1.5rem;
}

.app > * {
  grid-column: 2;
}

/* === HEADER === */
.header {
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.5rem;
  animation: fadeIn 0.8s var(--ease) both;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.logo {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 10vw, 4.5rem);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--text);
}

.logo-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  margin-left: 0.25rem;
  animation: pulse 2s ease-in-out infinite;
}

.tagline {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* === CONFIG === */
.config {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem 0;
  margin-bottom: 2rem;
  animation: fadeIn 0.8s var(--ease) 0.1s both;
}

.field {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  align-items: center;
  gap: 1rem;
}

.field-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.field-input {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  transition: all 0.2s var(--ease);
}

.field-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

.field-input::placeholder {
  color: var(--text-dim);
}

select.field-input {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a8a29e' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text-muted);
}

.btn-secondary:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

/* === DROP ZONE === */
.dropzone {
  position: relative;
  padding: 5rem 2rem;
  border: 2px dashed var(--border);
  border-radius: 3px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  animation: fadeIn 0.8s var(--ease) 0.2s both;
  overflow: hidden;
}

.dropzone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-muted) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.dropzone:hover,
.dropzone.active {
  border-color: var(--accent);
}

.dropzone:hover::before,
.dropzone.active::before {
  opacity: 1;
}

.dropzone-content {
  position: relative;
  z-index: 1;
}

.dropzone-icon {
  font-family: var(--font-serif);
  font-size: 4rem;
  font-style: italic;
  color: var(--accent);
  margin-bottom: 1.5rem;
  transition: transform 0.3s var(--ease);
}

.dropzone:hover .dropzone-icon {
  transform: scale(1.05) rotate(-2deg);
}

.dropzone-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-style: italic;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.dropzone-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* === PROGRESS === */
.progress {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--bg-elevated);
  border-radius: 3px;
}

.progress-bar {
  height: 2px;
  background: var(--border);
  border-radius: 1px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.progress-bar-fill {
  height: 100%;
  width: 30%;
  background: linear-gradient(90deg, var(--accent) 0%, var(--warning) 100%);
  animation: progress 1.2s var(--ease) infinite;
}

.progress-text {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* === RESULTS === */
.results {
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
  animation: slideUp 0.6s var(--ease) both;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.results-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-style: italic;
  font-weight: 400;
}

.results-actions {
  display: flex;
  gap: 0.5rem;
}

/* === COURSE CARD === */
.course-card {
  display: grid;
  grid-template-columns: 4px 1fr;
  background: var(--bg-card);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.course-card-accent {
  background: var(--accent);
}

.course-card-content {
  padding: 1.25rem 1.5rem;
}

.course-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-style: italic;
  margin-bottom: 0.25rem;
}

.course-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* === TABLE === */
.table-wrap {
  background: var(--bg-card);
  border-radius: 3px;
  overflow: hidden;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  padding: 1rem 1.25rem;
  text-align: left;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.table tbody tr {
  transition: background 0.15s ease;
}

.table tbody tr:hover {
  background: var(--bg-elevated);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* === BADGES === */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 2px;
  border: 1px solid;
}

.badge-midterm,
.badge-final {
  color: #f87171;
  background: rgba(248, 113, 113, 0.1);
  border-color: rgba(248, 113, 113, 0.3);
}

.badge-assignment {
  color: #60a5fa;
  background: rgba(96, 165, 250, 0.1);
  border-color: rgba(96, 165, 250, 0.3);
}

.badge-quiz {
  color: var(--warning);
  background: rgba(245, 166, 35, 0.1);
  border-color: rgba(245, 166, 35, 0.3);
}

.badge-project {
  color: var(--success);
  background: rgba(91, 185, 140, 0.1);
  border-color: rgba(91, 185, 140, 0.3);
}

.badge-other {
  color: var(--text-muted);
  background: rgba(168, 162, 158, 0.1);
  border-color: rgba(168, 162, 158, 0.3);
}

/* === STATS === */
.stats {
  display: flex;
  gap: 3rem;
  margin-top: 2rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-value {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--text);
}

.stat-label {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* === RAW PANEL === */
.raw-panel {
  margin-top: 2rem;
  background: var(--bg-card);
  border-radius: 3px;
  overflow: hidden;
}

.raw-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--bg-elevated);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.raw-panel-content {
  padding: 1.25rem;
  max-height: 400px;
  overflow: auto;
}

.raw-panel pre {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: pre-wrap;
  word-break: break-word;
}

/* === ERROR === */
.error {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: rgba(248, 113, 113, 0.08);
  border: 1px solid rgba(248, 113, 113, 0.2);
  border-radius: 3px;
  color: #fca5a5;
  font-size: 0.875rem;
}

/* === TOAST === */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 0.875rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  animation: slideIn 0.3s var(--ease);
  z-index: 1000;
}

.toast.success {
  border-left: 3px solid var(--success);
}

.toast.error {
  border-left: 3px solid #f87171;
}

/* === FOOTER === */
.footer {
  padding: 4rem 0 2rem;
  text-align: center;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* === UTILITIES === */
.hidden {
  display: none !important;
}

/* === ANIMATIONS === */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes progress {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(400%); }
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

/* === RESPONSIVE === */
@media (max-width: 640px) {
  .header { padding: 2.5rem 0 2rem; }
  .logo { font-size: 2.5rem; }

  .field {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .field-label {
    margin-bottom: 0;
  }

  .dropzone { padding: 3rem 1.5rem; }
  .dropzone-icon { font-size: 3rem; }

  .results-header {
    flex-direction: column;
  }

  .table-wrap {
    overflow-x: auto;
  }

  .table {
    min-width: 480px;
  }

  .stats {
    flex-wrap: wrap;
    gap: 1.5rem;
  }
}