/* ========================================
   DETAILS PANEL
   ======================================== */

.details-panel {
    position: fixed;
    top: 100vh;
    left: 0;
    right: 0;
    height: 100vh; /* Full height */
    background-color: var(--bg-color);
    overflow: hidden;
    transition: top var(--transition-duration) var(--transition-ease),
                background-color 0.4s ease,
                transform 0.2s ease-out;
    z-index: 50;
}

body.show-details .details-panel {
    top: 0; /* Cover entire screen */
}

/* Pull-to-close progress indicator */
.pull-indicator {
    position: fixed;
    top: calc(var(--sticky-height) + 24px);
    left: 50%;
    transform: translateX(-50%) scale(0.8) translateY(-10px);
    width: 48px;
    height: 48px;
    z-index: 200;
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.2s ease;
    pointer-events: none;
    background: var(--card-bg);
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pull-indicator.visible {
    transform: translateX(-50%) scale(1) translateY(0);
    opacity: 1;
}

.pull-indicator svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.pull-indicator .bg-circle {
    fill: none;
    stroke: var(--border-color);
    stroke-width: 2;
    opacity: 0.5;
}

.pull-indicator .progress-circle {
    fill: none;
    stroke: var(--accent-color);
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-dasharray: 113; /* 2 * PI * 18 */
    stroke-dashoffset: 113;
    transition: stroke-dashoffset 0.1s linear;
}

.pull-indicator .arrow {
    font-size: 1.2rem;
    color: var(--text-color);
    line-height: 1;
    transition: transform 0.2s ease;
    font-weight: 300;
}

/* Rotate the arrow to point UP */
.pull-indicator.full .arrow {
    transform: scale(1.2);
    color: var(--accent-color);
}

/* Wrapper becomes scroll container for glass effect */
.details-wrapper {
    max-width: var(--details-max-width);
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    height: 100vh;
    overflow-y: auto;
    scrollbar-width: none;
}

.details-wrapper::-webkit-scrollbar {
    display: none;
}

/* Tabs Navigation - Sticky below header */
.details-tabs {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding-top: calc(var(--sticky-height) + 50px); /* Extra breathing room below header */
    padding-bottom: 0;
    position: sticky;
    top: 0;
    z-index: 500; /* Ensure it stays on top of heatmap legend and labels */
    background-color: var(--header-bg); /* Semi-transparent for glass effect */
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

/* Partial width border-bottom */
.details-tabs::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 20%;
    right: 20%;
    height: 3px;
    background-color: rgba(0, 0, 0, 0.03); /* Subtle, washed out */
    border-radius: 2px;
}

/* Tab Container */
.tab-container {
    position: relative;
    width: 100%;
    padding-bottom: 0; /* Removed 5rem padding to stop scroll at footer */
}

/* Tabs Navigation Buttons (Restored) */
.tab-btn {
    background: none;
    border: none;
    padding: 0.75rem 1.5rem 0.5rem; /* Bottom padding for space above underline */
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    color: var(--secondary-text);
    cursor: pointer;
    position: relative;
    transition: color 0.3s ease;
}

.tab-btn:hover {
    color: var(--text-color);
}

.tab-btn.active {
    color: var(--text-color); /* Keep text color, not red */
    font-weight: 600;
}

.tab-btn.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--accent-color);
}

/* Tab Panes (Restored) */
.tab-pane {
    display: none;
    height: 100%;
    width: 100%;
    padding-bottom: 0;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}