/* ==========================================================================
   LPI Exam & Training Web Simulator - Clean Light Theme
   ========================================================================== */

:root {
  --bg-dark: #e2e8f0;
  --bg-main: #f1f5f9;
  --bg-card: #ffffff;
  --bg-subtle: #f8fafc;
  --bg-code: #f1f5f9;
  --border-muted: #cbd5e1;
  --border-accent: #94a3b8;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-Subtle: #475569;
  --green: #15803d;
  --green-bg: #dcfce7;
  --cyan: #0369a1;
  --cyan-bg: #e0f2fe;
  --purple: #6d28d9;
  --purple-bg: #ede9fe;
  --pink: #be185d;
  --orange: #b45309;
  --orange-bg: #fef3c7;
  --yellow: #0f172a;
  --red: #b91c1c;
  --red-bg: #fee2e2;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background-color: var(--bg-main);
  background-image: radial-gradient(circle at 50% 10%, #ffffff 0%, #e2e8f0 100%);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  font-size: 18px;
  line-height: 1.5;
}

/* Inline code & teletype styling */
tt, code {
  font-family: "Courier New", Courier, monospace;
  color: var(--pink);
  background: var(--bg-code);
  border: 1px solid #e2e8f0;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.92em;
  font-weight: 600;
}

pre {
  background: var(--bg-subtle);
  padding: 10px 14px;
  border-radius: 5px;
  border: 1px solid var(--border-muted);
  overflow-x: auto;
  margin: 10px 0 4px 0;
}

pre tt, pre code {
  padding: 0;
  background: transparent;
  border: none;
}

/* ==========================================================================
   Top Navigation Bar
   ========================================================================== */

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--border-muted);
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.05);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 12px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--green);
  cursor: pointer;
  user-select: none;
}

.brand-badge {
  background: var(--cyan-bg);
  color: var(--cyan);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid #bae6fd;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.top-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.timer-pill {
  font-family: "Courier New", Courier, monospace;
  font-weight: bold;
  font-size: 0.92rem;
  background: var(--cyan-bg);
  color: var(--cyan);
  padding: 4px 12px;
  border-radius: 4px;
  border: 1px solid #7dd3fc;
}

.timer-pill.warning {
  background: var(--orange-bg);
  color: var(--orange);
  border-color: #fcd34d;
}

.timer-pill.danger {
  background: var(--red-bg);
  color: var(--red);
  border-color: #fca5a5;
  animation: pulse 1.2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

/* ==========================================================================
   Buttons & Inputs
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-muted);
  padding: 7px 14px;
  border-radius: 5px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.btn:hover:not(:disabled) {
  background: var(--bg-subtle);
  border-color: var(--purple);
  color: var(--purple);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--green);
  color: #ffffff;
  border-color: var(--green);
  font-weight: 700;
}

.btn-primary:hover:not(:disabled) {
  background: #166534;
  border-color: #166534;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(21, 128, 61, 0.25);
}

.btn-purple {
  background: var(--purple);
  color: #ffffff;
  border-color: var(--purple);
  font-weight: 700;
}

.btn-purple:hover:not(:disabled) {
  background: #5b21b6;
  border-color: #5b21b6;
  color: #ffffff;
}

.btn-orange {
  background: var(--orange-bg);
  color: var(--orange);
  border-color: #fcd34d;
}

.btn-orange:hover:not(:disabled) {
  background: #fde68a;
  border-color: var(--orange);
  color: var(--orange);
}

.btn-orange.active {
  background: #f59e0b;
  color: #ffffff;
  border-color: #d97706;
}

.btn-danger {
  background: var(--red-bg);
  color: var(--red);
  border-color: #fca5a5;
}

.btn-danger:hover:not(:disabled) {
  background: var(--red);
  border-color: var(--red);
  color: #ffffff;
}

.btn-lg {
  padding: 12px 26px;
  font-size: 1.02rem;
  border-radius: 6px;
}

/* ==========================================================================
   Main View Containers
   ========================================================================== */

.view-container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.hidden {
  display: none !important;
}

/* ==========================================================================
   Home / Package Hub View
   ========================================================================== */

.hero-slide {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border-muted);
  border-radius: 8px;
  padding: 28px 24px;
  margin-bottom: 24px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
}

.hero-slide h1 {
  color: var(--green);
  margin: 0 0 8px 0;
  font-size: 2rem;
}

.hero-slide h3 {
  color: var(--cyan);
  margin: 0 0 10px 0;
  font-weight: 600;
  font-size: 1.15rem;
}

.hero-slide p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-Subtle);
}

.saved-session-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%);
  border: 2px solid var(--green);
  border-radius: 8px;
  padding: 16px 22px;
  margin-bottom: 24px;
  box-shadow: 0 4px 16px rgba(21, 128, 61, 0.08);
}

.saved-session-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.saved-session-title {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--green);
}

.saved-session-meta {
  font-size: 0.84rem;
  color: var(--text-Subtle);
}

.saved-session-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.hub-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 22px;
  align-items: start;
}

@media (max-width: 860px) {
  .hub-grid {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border-muted);
  border-radius: 8px;
  padding: 20px 22px;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.05);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-muted);
}

.panel-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cyan);
  margin: 0;
}

/* Package Cards */
.package-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
}

.package-card {
  background: var(--bg-subtle);
  border: 2px solid var(--border-muted);
  border-radius: 6px;
  padding: 14px 16px;
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
}

.package-card:hover {
  border-color: var(--border-accent);
  background: #ffffff;
}

.package-card.selected {
  border-color: var(--green);
  background: #f0fdf4;
}

.pkg-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.pkg-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.pkg-checkbox {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  border: 2px solid var(--border-accent);
  background: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: bold;
  color: #ffffff;
  flex-shrink: 0;
}

.package-card.selected .pkg-checkbox {
  background: var(--green);
  border-color: var(--green);
}

.pkg-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-main);
}

.pkg-subtitle {
  font-size: 0.82rem;
  color: var(--cyan);
  margin-bottom: 8px;
}

.pkg-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.mini-badge {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border-muted);
  color: var(--text-Subtle);
  font-weight: 600;
}

.mini-badge.green {
  background: var(--green-bg);
  color: var(--green);
  border-color: #86efac;
}

.mini-badge.orange {
  background: var(--orange-bg);
  color: var(--orange);
  border-color: #fcd34d;
}

.mini-badge.purple {
  background: var(--purple-bg);
  color: var(--purple);
  border-color: #c4b5fd;
}

.mini-badge.red {
  background: var(--red-bg);
  color: var(--red);
  border-color: #fca5a5;
}

.mini-badge.cyan {
  background: var(--cyan-bg);
  color: var(--cyan);
  border-color: #bae6fd;
}

/* Dropzone for importing packages */
.import-dropzone {
  border: 2px dashed var(--border-accent);
  border-radius: 6px;
  padding: 16px;
  text-align: center;
  background: var(--bg-subtle);
  transition: all 0.15s ease;
  cursor: pointer;
}

.import-dropzone:hover, .import-dropzone.dragover {
  border-color: var(--green);
  background: #f0fdf4;
}

.import-dropzone p {
  margin: 0 0 8px 0;
  font-size: 0.85rem;
  color: var(--text-Subtle);
}

/* Form Controls */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-Subtle);
  margin-bottom: 6px;
}

.mode-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.mode-option {
  background: var(--bg-subtle);
  border: 2px solid var(--border-muted);
  border-radius: 6px;
  padding: 10px 12px;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
}

.mode-option.active {
  border-color: var(--purple);
  background: var(--purple-bg);
}

.mode-option-title {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-main);
  margin-bottom: 2px;
}

.mode-option.active .mode-option-title {
  color: var(--purple);
}

.mode-option-desc {
  font-size: 0.74rem;
  color: var(--text-Subtle);
  line-height: 1.3;
}

.select-input, .text-input {
  width: 100%;
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-muted);
  border-radius: 5px;
  padding: 8px 12px;
  font-size: 0.88rem;
}

.select-input:focus, .text-input:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.12);
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--text-main);
  margin-bottom: 8px;
  cursor: pointer;
  user-select: none;
}

.checkbox-row input {
  accent-color: var(--green);
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   Quiz / Slide View (Light Mode Reveal.js Quiz Style)
   ========================================================================== */

.slide-stage {
  max-width: 900px;
  margin: 12px auto 0;
  position: relative;
}

.slide-card {
  background: var(--bg-card);
  border: 1px solid var(--border-muted);
  border-radius: 8px;
  padding: 28px 34px 24px;
  position: relative;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.08);
  font-size: 23px;
}

@media (max-width: 680px) {
  .slide-card {
    padding: 20px 18px;
    font-size: 19px;
  }
}

.progress-bar-container {
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 0.62em;
  color: var(--text-muted);
  font-weight: bold;
}

.topic-badge {
  display: inline-block;
  font-size: 0.58em;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid #86efac;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 8px;
  font-weight: bold;
}

.type-badge {
  display: inline-block;
  font-size: 0.52em;
  background: #f59e0b;
  color: #ffffff;
  font-weight: bold;
  padding: 3px 8px;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
}

.obj-badge {
  display: inline-block;
  font-size: 0.52em;
  background: var(--cyan-bg);
  color: var(--cyan);
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 14px;
  border: 1px solid #7dd3fc;
  font-weight: 600;
}

.question-box {
  text-align: left;
  background: var(--bg-subtle);
  border: 1px solid var(--border-muted);
  border-left: 5px solid var(--purple);
  padding: 15px 20px;
  border-radius: 4px;
  margin-bottom: 16px;
  font-size: 0.9em;
  line-height: 1.45;
}

.question-hint {
  display: block;
  margin-top: 8px;
  font-size: 0.86em;
  color: var(--cyan);
}

.options-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
  font-size: 0.82em;
}

.option-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  padding: 9px 14px;
  border-radius: 4px;
  border: 1px solid var(--border-muted);
  cursor: pointer;
  transition: all 0.12s ease;
  user-select: none;
}

.option-item:hover:not(.locked) {
  border-color: var(--border-accent);
  background: var(--bg-subtle);
}

.option-item.selected {
  border-color: var(--purple);
  background: var(--purple-bg);
  box-shadow: inset 3px 0 0 var(--purple);
}

.option-item.correct {
  border-color: var(--green);
  background: var(--green-bg);
  box-shadow: inset 4px 0 0 var(--green);
}

.option-item.wrong {
  border-color: var(--red);
  background: var(--red-bg);
  box-shadow: inset 4px 0 0 var(--red);
}

.option-item.missed-correct {
  border-color: var(--green);
  border-style: dashed;
  background: #f0fdf4;
}

.option-content {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.option-key {
  font-weight: bold;
  color: var(--cyan);
  min-width: 24px;
}

.option-status-icon {
  font-size: 0.9em;
  font-weight: bold;
  margin-left: 10px;
}

/* Fill-In-The-Blank Terminal Box */
.fitb-box {
  background: var(--bg-subtle);
  border: 1px dashed var(--border-accent);
  padding: 14px 16px;
  border-radius: 4px;
  color: var(--text-main);
  text-align: left;
  font-size: 0.82em;
}

.fitb-prompt-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.fitb-prompt-label {
  font-family: "Courier New", Courier, monospace;
  color: var(--green);
  font-weight: bold;
  white-space: nowrap;
}

.fitb-input {
  flex: 1;
  min-width: 220px;
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-accent);
  border-radius: 4px;
  padding: 8px 12px;
  font-family: "Courier New", Courier, monospace;
  font-size: 1em;
}

.fitb-input:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.15);
}

.fitb-input.correct {
  border-color: var(--green);
  color: var(--green);
  background: #f0fdf4;
}

.fitb-input.wrong {
  border-color: var(--red);
  color: var(--red);
  background: #fef2f2;
}

/* Answer / Explanation Box */
.answer-box {
  margin-top: 16px;
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-left: 5px solid var(--green);
  padding: 13px 18px;
  border-radius: 4px;
  text-align: left;
  font-size: 0.8em;
  line-height: 1.45;
  animation: fadeIn 0.2s ease;
}

.answer-box.wrong-feedback {
  background: #fef2f2;
  border-color: #fca5a5;
  border-left-color: var(--red);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.answer-title {
  font-weight: bold;
  color: var(--green);
  margin-bottom: 6px;
}

.answer-box.wrong-feedback .answer-title {
  color: var(--red);
}

/* Slide Footer Controls */
.slide-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--border-muted);
  gap: 12px;
  flex-wrap: wrap;
}

.hint-nav {
  font-size: 0.54em;
  color: var(--text-muted);
  margin-top: 10px;
  text-align: right;
}

/* Bottom Reveal-style Progress Bar */
.bottom-progress-track {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--bg-dark);
  z-index: 200;
}

.bottom-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--purple), var(--green));
  width: 0%;
  transition: width 0.25s ease;
}

/* ==========================================================================
   Results & Evaluation View
   ========================================================================== */

.score-banner {
  text-align: center;
  background: var(--bg-card);
  border: 2px solid var(--border-muted);
  border-radius: 8px;
  padding: 28px 24px;
  margin-bottom: 24px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
}

.score-banner.passed {
  border-color: var(--green);
  background: linear-gradient(180deg, #f0fdf4 0%, #ffffff 100%);
}

.score-banner.failed {
  border-color: var(--red);
  background: linear-gradient(180deg, #fef2f2 0%, #ffffff 100%);
}

.score-status-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 99px;
  margin-bottom: 10px;
}

.score-banner.passed .score-status-badge {
  background: var(--green);
  color: #ffffff;
}

.score-banner.failed .score-status-badge {
  background: var(--red);
  color: #ffffff;
}

.lpi-score-number {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-main);
}

.lpi-score-sub {
  font-size: 0.9rem;
  color: var(--text-Subtle);
  margin-top: 4px;
}

.stats-row {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.stat-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-muted);
  border-radius: 6px;
  padding: 10px 18px;
  min-width: 130px;
}

.stat-val {
  font-size: 1.35rem;
  font-weight: 700;
}

.stat-lbl {
  font-size: 0.76rem;
  color: var(--text-Subtle);
}

/* Topic Breakdown Bars */
.topic-row {
  margin-bottom: 12px;
}

.topic-row-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.topic-bar-track {
  height: 8px;
  background: var(--bg-main);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-muted);
}

.topic-bar-fill {
  height: 100%;
  background: var(--green);
  transition: width 0.3s ease;
}

/* Review Cards */
.review-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 16px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-muted);
  border-radius: 8px;
  padding: 20px 24px;
  font-size: 20px;
}

/* ==========================================================================
   Modal (Overview Grid & Package Format Info)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: 20px;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-muted);
  border-radius: 8px;
  max-width: 760px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 22px 26px;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.25);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
  gap: 8px;
  margin-top: 16px;
}

.ov-cell {
  height: 44px;
  border-radius: 5px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-muted);
  color: var(--text-main);
  font-weight: 700;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: all 0.12s ease;
}

.ov-cell:hover {
  border-color: var(--cyan);
  background: var(--cyan-bg);
  transform: translateY(-1px);
}

.ov-cell.current {
  outline: 2px solid var(--cyan);
}

.ov-cell.answered {
  background: var(--purple-bg);
  border-color: #c4b5fd;
  color: var(--purple);
}

.ov-cell.correct {
  background: var(--green-bg);
  border-color: #86efac;
  color: var(--green);
}

.ov-cell.wrong {
  background: var(--red-bg);
  border-color: #fca5a5;
  color: var(--red);
}

.ov-cell.flagged::after {
  content: "⚑";
  position: absolute;
  top: 2px;
  right: 4px;
  font-size: 0.65rem;
  color: var(--orange);
}

/* ==========================================================================
   Legal Disclaimer Footer
   ========================================================================== */

.legal-footer {
  max-width: 1040px;
  margin: 0 auto 36px;
  padding: 14px 20px;
  border-top: 1px solid var(--border-muted);
  text-align: center;
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--text-Subtle);
}

.legal-footer p {
  margin: 0;
}

.legal-footer .footer-meta {
  margin-top: 6px;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--cyan);
}