/*
================================================================================
BASH VS ZSH COMPARISON - STYLESHEET
================================================================================
Two-column comparison with orange (Bash) and green (Zsh) color themes.
Features hover tooltips, star ratings, and a Venn diagram showing common ground.
================================================================================
*/

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: aliceblue;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 8px;
}

h2 {
    text-align: center;
    margin-bottom: 10px;
    color: #2c3e50;
    font-size: 1.1rem;
    font-weight: 600;
}

/* =============================================================================
   TWO-COLUMN LAYOUT
   ============================================================================= */

.comparison-wrapper {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    width: 100%;
}

.shell-column {
    flex: 1;
    min-width: 0;
    background: aliceblue;
    border-radius: 8px;
    padding: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Bash Column - Orange Theme */
.bash-column {
    border-top: 4px solid #f97316;
}

.bash-column .shell-header {
    background: linear-gradient(135deg, #fff7ed, #ffedd5);
}

.bash-column .shell-icon {
    background: #f97316;
    color: white;
}

.bash-column h3 {
    color: #c2410c;
}

.bash-column h4 {
    color: #ea580c;
    border-bottom-color: #fed7aa;
}

/* Zsh Column - Green Theme */
.zsh-column {
    border-top: 4px solid #22c55e;
}

.zsh-column .shell-header {
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
}

.zsh-column .shell-icon {
    background: #22c55e;
    color: white;
}

.zsh-column h3 {
    color: #15803d;
}

.zsh-column h4 {
    color: #16a34a;
    border-bottom-color: #bbf7d0;
}

/* =============================================================================
   SHELL HEADER
   ============================================================================= */

.shell-header {
    text-align: center;
    padding: 6px;
    border-radius: 6px;
    margin-bottom: 6px;
}

.shell-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Courier New', monospace;
    font-size: 18px;
    font-weight: bold;
    margin: 0 auto 6px;
}

.shell-header h3 {
    font-size: 1.1rem;
    margin-bottom: 2px;
}

.tagline {
    font-style: italic;
    color: #6b7280;
    font-size: 0.8rem;
}

/* =============================================================================
   RATINGS SECTIONS
   ============================================================================= */

.ratings-section {
    margin-bottom: 6px;
}

.ratings-section h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding-bottom: 2px;
    margin-bottom: 4px;
    border-bottom: 2px solid;
}

.rating-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2px 6px;
    margin-bottom: 1px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    position: relative;
}

.rating-row:hover {
    background-color: #f8f9fa;
}

.rating-label {
    font-size: 0.75rem;
    color: #374151;
}

/* =============================================================================
   STAR RATINGS
   ============================================================================= */

.star-group {
    white-space: nowrap;
}

.stars {
    letter-spacing: 0px;
    font-size: 12px;
}

.stars-5 { color: #22c55e; }
.stars-4 { color: #84cc16; }
.stars-3 { color: #f59e0b; }
.stars-2 { color: #f97316; }
.stars-1 { color: #ef4444; }

.stars-empty {
    color: #d1d5db;
    letter-spacing: 0px;
}

/* =============================================================================
   TOOLTIPS
   ============================================================================= */

.rating-row[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: calc(100% + 8px);
    background-color: rgba(45, 55, 72, 0.95);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    line-height: 1.4;
    width: max-content;
    max-width: 250px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    text-align: center;
}

.rating-row[data-tooltip]::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: calc(100%);
    border: 6px solid transparent;
    border-top-color: rgba(45, 55, 72, 0.95);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    pointer-events: none;
}

.rating-row[data-tooltip]:hover::after,
.rating-row[data-tooltip]:hover::before {
    opacity: 1;
    visibility: visible;
}

/* =============================================================================
   COMMON SECTION WITH VENN DIAGRAM
   ============================================================================= */

.common-section {
    background: aliceblue;
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.venn-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    position: relative;
    height: 50px;
}

.venn-circle {
    width: 70px;
    height: 50px;
    border-radius: 50%;
    opacity: 0.6;
}

.bash-circle {
    background: linear-gradient(135deg, #fed7aa, #f97316);
    margin-right: -20px;
}

.zsh-circle {
    background: linear-gradient(135deg, #bbf7d0, #22c55e);
    margin-left: -20px;
}

.venn-text {
    position: absolute;
    background: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 500;
    color: #374151;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* =============================================================================
   RECOMMENDATION & SOURCE
   ============================================================================= */

.recommendation {
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: #4b5563;
    margin-bottom: 8px;
    padding: 8px;
    background: linear-gradient(135deg, #fef3c7, #d1fae5);
    border-radius: 6px;
}

.source {
    text-align: center;
    font-size: 10px;
    color: #9ca3af;
}

/* =============================================================================
   RESPONSIVE STYLES - Tables always side-by-side
   ============================================================================= */

.comparison-wrapper {
    flex-wrap: nowrap !important;
    flex-direction: row !important;
}

.shell-column {
    flex: 1 1 50%;
    max-width: 50%;
}