/* styles.css - extracted from index.html */
:root {
    --primary: #3b82f6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --gray: #9ca3af;
    --light-gray: #374151;
    --dark: #111827;
    --bg-dark: #1f2937;
    --card-bg: #1f2937;
    --bg-color: #1b1b20;
    --card-color: #16213e;
    --text-color: #e6e6e6;
    --primary-color: #0f3460;
    --secondary-color: #533483;
    --accent-color: #00b894;
    --overall-progress: #8a2be2;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-color);
    line-height: 1.6;
}

.navbar {
    display: flex;
    background-color: var(--bg-dark);
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-tab {
    padding: 0.5rem 1rem;
    margin-right: 1rem;
    cursor: pointer;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.nav-tab:hover, .nav-tab.active {
    background-color: var(--secondary-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

.section {
    display: none;
}

.section.active {
    display: block;
}

/* Overall Progress */
.overall-progress-container {
    background-color: var(--card-bg);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--light-gray);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.progress-container {
    width: 100%;
    background-color: #333;
    border-radius: 5px;
    margin-bottom: 15px;
}

.progress-bar {
    height: 10px;
    border-radius: 5px;
    transition: width 0.5s ease;
}

.overall-progress-bar {
    background-color: var(--overall-progress);
}

.aptitude-progress-bar {
    background-color: var(--accent-color);
}

.coding-progress-bar {
    background-color: var(--primary);
}

/* Topic-level progress bar */
.topic-progress-container {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.topic-progress-bar-bg {
    background: var(--light-gray);
    height: 8px;
    border-radius: 5px;
    flex: 1;
    position: relative;
    overflow: hidden;
    min-width: 0;
    max-width: 100%;
}
.topic-progress-bar {
    background: var(--accent-color);
    height: 100%;
    border-radius: 5px;
    transition: width 0.5s;
    width: 0%;
    min-width: 0;
    max-width: 100%;
    position: absolute;
    left: 0;
    top: 0;
}
.topic-progress-text {
    font-size: 0.85rem;
    color: var(--primary);
    margin-left: 10px;
    min-width: 32px;
    text-align: left;
}


/* Topics Container */
.topics-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.topic {
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    border: 1px solid var(--light-gray);
}

.topic-header {
    padding: 15px 20px;
    background-color: var(--dark);
    color: white;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s;
    gap: 4%;
}

.topic-header-title {
    flex: 1;
    text-align: left;
   
}

.topic-count {
    margin-left: 16px;
    min-width: 48px;
    text-align: right;
}


.topic-header:hover {
    background-color: #111827;
}

.topic-header::after {
    content: '+';
    font-size: 1.2rem;
    transition: transform 0.3s;
}

.topic-header.active::after {
    content: '-';
}

.difficulty-levels, .subtopics {
    display: none;
    padding: 0 20px;
    background-color: var(--dark);
}

.difficulty-levels.active, .subtopics.active {
    display: block;
}

.difficulty, .subtopic {
    margin: 15px 0;
}

.difficulty-header, .subtopic-header {
    padding: 10px 15px;
    background-color: var(--light-gray);
    border-radius: 5px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.easy .difficulty-header, .logical .subtopic-header {
    background-color: #064e3b;
    color: #6ee7b7;
}

.medium .difficulty-header, .verbal .subtopic-header {
    background-color: #78350f;
    color: #fcd34d;
}

.hard .difficulty-header, .quantitative .subtopic-header {
    background-color: #7f1d1d;
    color: #fca5a5;
}

.difficulty-header::after, .subtopic-header::after {
    content: '+';
    font-size: 1.1rem;
    transition: transform 0.3s;
}

.difficulty-header.active::after, .subtopic-header.active::after {
    content: '-';
}

.questions-list, .topic-items {
    display: none;
    padding: 10px 0;
}

.questions-list.active, .topic-items.active {
    display: block;
}

.question, .topic-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-bottom: 1px solid var(--light-gray);
}

.question:last-child, .topic-item:last-child {
    border-bottom: none;
}

.question-title, .topic-name {
    flex: 1;
    font-weight: 500;
    color: var(--primary);
    cursor: pointer;
    text-decoration: none;
    transition: color 0.2s;
}

.question-title:hover {
    text-decoration: underline;
    color: #93c5fd;
}

.question-link-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 150px;
    gap: 8px;
}

.leetcode-logo {
    width: 20px;
    height: 20px;
    background-color: #ffa116;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: black;
    font-weight: bold;
    font-size: 12px;
}

.question-link {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 5px 10px;
    border-radius: 5px;
    background-color: rgba(59, 130, 246, 0.1);
    transition: background-color 0.2s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.question-link:hover {
    background-color: rgba(59, 130, 246, 0.2);
    text-decoration: none;
}

.question-actions, .topic-actions {
    display: flex;
    gap: 10px;
}

.action-btn {
    border: none;
    border-radius: 5px;
    padding: 5px 10px;
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s;
}

.done-btn {
    background-color: #ef4444; /* red */
    color: #fff;
    transition: background 0.2s, color 0.2s;
}

.done-btn:hover {
    background-color: #dc2626; /* darker red */
    color: #fff;
}

.done-btn.active {
    background-color: #10b981; /* green */
    color: #fff;
}
.done-btn.active:hover {
    background-color: #059669; /* darker green */
    color: #fff;
}

.revise-btn {
    background-color: #78350f;
    color: #fcd34d;
}

.revise-btn.active {
    background-color: #fcd34d;
    color: #78350f;
}

.status-indicator {
    width: 15px;
    height: 15px;
    border-radius: 50%;
    margin-right: 10px;
    flex-shrink: 0;
}

.status-done {
    background-color: var(--success);
}

.status-revise {
    background-color: var(--warning);
}

.status-pending {
    background-color: var(--light-gray);
}

@media (max-width: 768px) {
    .question, .topic-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .question-link-container {
        justify-content: flex-start;
        width: auto;
    }
    .question-actions, .topic-actions {
        align-self: flex-end;
    }
}
/* Resource Section Styles */
.resources-title {
  margin-bottom: 12px;
  color: #d2d3d4ff;
}
.resources-note {
  margin-top: 10px;
  color: var(--text-color);
  font-size: 0.98rem;
}
.resource-card {
  background: var(--dark);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 18px 0;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 12px rgba(0,0,0,0.10);
  align-items: flex-start;
}
.resource-card-title {
  font-size: 1.15rem;
  color: var(--text-color);
  font-weight: 700;
  margin-bottom: 6px;
}
.resource-card-link {
  color: #4fc3f7;
  text-decoration: none;
  font-size: 1.05rem;
  transition: color 0.3s;
}
.resource-card-link:hover {
  color: #81d4fa;
  text-decoration: underline;
  font-size: 1.1rem;
}