/* Custom styling for Mendeleev Periodic Table (Short Form) */

:root {
    --bg-dark: #070b19;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f0f2f5;
    --text-secondary: #9ea7bd;
    --accent-glow: rgba(255, 255, 255, 0.05);

    /* Orbital Block Colors */
    --color-s-block: #ff4785;
    --color-s-bg: rgba(255, 71, 133, 0.12);
    --color-s-border: rgba(255, 71, 133, 0.35);

    --color-p-block: #ffd33d;
    --color-p-bg: rgba(255, 211, 61, 0.12);
    --color-p-border: rgba(255, 211, 61, 0.35);

    --color-d-block: #2f80ed;
    --color-d-bg: rgba(47, 128, 237, 0.12);
    --color-d-border: rgba(47, 128, 237, 0.35);

    --color-f-block: #27ae60;
    --color-f-bg: rgba(39, 174, 96, 0.12);
    --color-f-border: rgba(39, 174, 96, 0.35);

    /* UI element states */
    --transition-speed: 0.3s;
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
}

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

body {
    font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* BACKGROUND EFFECTS */
.stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(white, rgba(255,255,255,.2) 2px, transparent 40px),
        radial-gradient(white, rgba(255,255,255,.15) 1px, transparent 30px),
        radial-gradient(white, rgba(255,255,255,.1) 2px, transparent 40px);
    background-size: 550px 550px, 350px 350px, 250px 250px;
    background-position: 0 0, 40px 60px, 130px 270px;
    opacity: 0.15;
    z-index: 0;
    pointer-events: none;
}

.glowing-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.12;
    pointer-events: none;
    z-index: 0;
}

.orb-1 {
    top: -20%;
    left: 10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--color-d-block) 0%, transparent 70%);
}

.orb-2 {
    bottom: -10%;
    right: 5%;
    width: 45vw;
    height: 45vw;
    background: radial-gradient(circle, var(--color-s-block) 0%, transparent 70%);
}

/* APP CONTAINER */
.app-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 1700px;
    margin: 0 auto;
    padding: 24px;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* HEADER */
.app-header {
    margin-bottom: 24px;
    background: rgba(13, 20, 38, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    padding: 20px 24px;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.brand h1 {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.brand .subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 4px;
    font-weight: 350;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Search Box */
.search-box {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    padding: 0 16px;
    width: 320px;
    transition: all var(--transition-speed);
}

.search-box:focus-within {
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.05);
}

.search-icon {
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
    margin-right: 12px;
}

.search-box input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    padding: 12px 0;
    font-size: 0.95rem;
    font-family: inherit;
    width: 100%;
}

.clear-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 0 4px;
    display: none;
}

.clear-btn.active {
    display: block;
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    padding: 4px;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 8px 16px;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

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

.lang-btn.active {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Legend */
.legend-container {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.legend-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.legend-items {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.legend-item:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    border: 1px solid transparent;
}

.block-s .legend-color { background-color: var(--color-s-bg); border-color: var(--color-s-block); }
.block-p .legend-color { background-color: var(--color-p-bg); border-color: var(--color-p-block); }
.block-d .legend-color { background-color: var(--color-d-bg); border-color: var(--color-d-block); }
.block-f .legend-color { background-color: var(--color-f-bg); border-color: var(--color-f-block); }

.legend-label {
    font-size: 0.85rem;
    font-weight: 500;
}

/* MAIN LAYOUT */
.main-content {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 24px;
    align-items: start;
    flex-grow: 1;
}

/* TABLE WRAPPER */
.table-outer-wrapper {
    background: rgba(13, 20, 38, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.table-scroll-container {
    overflow-x: auto;
    width: 100%;
}

/* PERIODIC GRID */
.periodic-grid {
    display: grid;
    /* 21 columns total: 
       Col 1: Period
       Col 2: Row
       Cols 3-16: Groups I-VII (split into 2 subcolumns each)
       Cols 17-20: Group VIII (3 transition subcolumns, 1 noble gas subcolumn)
       Col 21: Energy levels */
    grid-template-columns: 45px 45px repeat(18, 55px) 45px;
    /* Rows: 
       Row 1: Group labels
       Row 2: Subgroup labels (a, б)
       Rows 3-12: Rows 1-10 of elements
       Row 13: Higher oxides
       Row 14: Volatile hydrogen compounds */
    grid-template-rows: 40px 25px repeat(10, 78px) 45px 45px;
    gap: 4px;
    min-width: 1190px; /* Ensures consistent columns render */
    margin: 0 auto;
}

/* GRID CELLS */
.grid-cell {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(255, 255, 255, 0.01);
    border-radius: 4px;
    transition: all var(--transition-speed);
    position: relative;
    user-select: none;
}

/* Headings and labels styling */
.label-cell {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

.label-cell.period-header {
    grid-column: 1;
    grid-row: 1 / span 2;
}

.label-cell.row-header {
    grid-column: 2;
    grid-row: 1 / span 2;
}

.label-cell.group-header-main {
    grid-row: 1;
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
}

.label-cell.subgroup-label {
    grid-row: 2;
    font-size: 0.75rem;
    font-weight: 500;
}

.label-cell.energy-header {
    grid-column: 21;
    grid-row: 1 / span 2;
    font-size: 0.7rem;
    text-align: center;
    padding: 2px;
}

/* Row Labels & Period Labels */
.period-num-cell {
    grid-column: 1;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    background: rgba(255, 255, 255, 0.02);
}

.row-num-cell {
    grid-column: 2;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.energy-shell-cell {
    grid-column: 21;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    padding: 4px 0;
    background: rgba(255, 255, 255, 0.02);
}

/* CHEMICAL ELEMENT CARD */
.element-card {
    cursor: pointer;
    overflow: hidden;
    position: relative;
    padding: 6px 4px;
    align-items: stretch;
    justify-content: space-between;
}

/* Card details alignment */
.card-number {
    position: absolute;
    top: 3px;
    right: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    opacity: 0.8;
}

.card-symbol {
    font-size: 1.3rem;
    font-weight: 800;
    margin-top: 4px;
    text-align: center;
    line-height: 1;
}

.card-name {
    font-size: 0.58rem;
    font-weight: 500;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
    opacity: 0.9;
}

.card-weight {
    font-size: 0.58rem;
    font-weight: 400;
    opacity: 0.7;
    margin-top: auto;
    text-align: center;
}

/* Shell Occupancy representation on the right edge of cells */
.card-shells {
    position: absolute;
    right: 3px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-end;
    font-size: 0.45rem;
    line-height: 1.1;
    font-weight: 600;
    opacity: 0.65;
    pointer-events: none;
}

/* Block style colors */
.element-card.s-block {
    background: var(--color-s-bg);
    border-color: var(--color-s-border);
    color: var(--color-s-block);
}

.element-card.p-block {
    background: var(--color-p-bg);
    border-color: var(--color-p-border);
    color: var(--color-p-block);
}

.element-card.d-block {
    background: var(--color-d-bg);
    border-color: var(--color-d-border);
    color: var(--color-d-block);
}

.element-card.f-block {
    background: var(--color-f-bg);
    border-color: var(--color-f-border);
    color: var(--color-f-block);
}

/* Empty spacer cell design */
.empty-cell {
    background: rgba(255, 255, 255, 0.005);
    border-color: rgba(255, 255, 255, 0.02);
    pointer-events: none;
}

/* BOTTOM SPECIFIC ROWS */
.bottom-label-cell {
    grid-column: 1 / span 2;
    text-align: left;
    padding-left: 10px;
    justify-content: center;
    align-items: flex-start;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.02);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.formula-cell {
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
    background: rgba(255, 255, 255, 0.015);
    border-color: rgba(255, 255, 255, 0.06);
    transition: all var(--transition-speed);
}

/* INTERACTION EFFECTS */
.element-card:hover {
    transform: scale(1.06);
    z-index: 10;
    box-shadow: 0 4px 15px currentColor;
    background: rgba(255, 255, 255, 0.08);
}

.element-card.s-block:hover { color: #fff; background: var(--color-s-block); border-color: #fff; }
.element-card.p-block:hover { color: #000; background: var(--color-p-block); border-color: #fff; }
.element-card.d-block:hover { color: #fff; background: var(--color-d-block); border-color: #fff; }
.element-card.f-block:hover { color: #fff; background: var(--color-f-block); border-color: #fff; }

/* Dimming/filtering states */
.periodic-grid.dimmed .grid-cell:not(.label-cell) {
    opacity: 0.25;
}

.periodic-grid.dimmed .element-card.highlighted {
    opacity: 1 !important;
    transform: scale(1.02);
    box-shadow: 0 2px 10px rgba(255, 255, 255, 0.1);
}

.periodic-grid.dimmed .formula-cell.highlighted {
    opacity: 1 !important;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Highlight matching cells on hover */
.periodic-grid.col-hovered .grid-cell.col-highlighted {
    background: rgba(255, 255, 255, 0.04);
}

/* INSPECTOR SIDE PANEL */
.inspector-panel {
    background: rgba(13, 20, 38, 0.5);
    backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    min-height: 500px;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 24px;
    transition: all var(--transition-speed);
}

.inspector-panel.pinned {
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.05);
}

.inspector-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 20px;
}

.inspector-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.2px;
}

.pin-badge {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    transition: all var(--transition-speed);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pin-badge svg {
    width: 18px;
    height: 18px;
}

.pin-badge:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.inspector-panel.pinned .pin-badge {
    color: var(--color-p-block);
    background: rgba(255, 211, 61, 0.1);
}

.inspector-body {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

/* Placeholders */
.inspector-placeholder {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    flex-grow: 1;
    padding: 40px 10px;
    color: var(--text-secondary);
}

.placeholder-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    animation: rotateAtom 12s linear infinite;
    opacity: 0.6;
}

@keyframes rotateAtom {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.inspector-placeholder p {
    font-size: 0.95rem;
    line-height: 1.5;
    font-weight: 350;
}

/* Active inspector details */
.inspector-details {
    display: flex;
    flex-direction: column;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.hidden {
    display: none !important;
}

/* Detail Display Card */
.element-card-large {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px;
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    margin-bottom: 20px;
    position: relative;
    box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.02);
    transition: all var(--transition-speed);
}

/* Color codes for large card based on current block */
.element-card-large.s-block { border-color: var(--color-s-border); box-shadow: inset 0 0 15px rgba(255, 71, 133, 0.05); }
.element-card-large.p-block { border-color: var(--color-p-border); box-shadow: inset 0 0 15px rgba(255, 211, 61, 0.05); }
.element-card-large.d-block { border-color: var(--color-d-border); box-shadow: inset 0 0 15px rgba(47, 128, 237, 0.05); }
.element-card-large.f-block { border-color: var(--color-f-border); box-shadow: inset 0 0 15px rgba(39, 174, 96, 0.05); }

.large-card-top {
    width: 100%;
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.large-number {
    font-size: 1.1rem;
    color: #fff;
}

.large-block {
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.element-card-large.s-block .large-block { color: var(--color-s-block); background: rgba(255, 71, 133, 0.1); }
.element-card-large.p-block .large-block { color: var(--color-p-block); background: rgba(255, 211, 61, 0.1); }
.element-card-large.d-block .large-block { color: var(--color-d-block); background: rgba(47, 128, 237, 0.1); }
.element-card-large.f-block .large-block { color: var(--color-f-block); background: rgba(39, 174, 96, 0.1); }

.large-symbol {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin: 8px 0;
    letter-spacing: -1px;
}

.element-card-large.s-block .large-symbol { color: var(--color-s-block); text-shadow: 0 0 15px rgba(255, 71, 133, 0.3); }
.element-card-large.p-block .large-symbol { color: var(--color-p-block); text-shadow: 0 0 15px rgba(255, 211, 61, 0.3); }
.element-card-large.d-block .large-symbol { color: var(--color-d-block); text-shadow: 0 0 15px rgba(47, 128, 237, 0.3); }
.element-card-large.f-block .large-symbol { color: var(--color-f-block); text-shadow: 0 0 15px rgba(39, 174, 96, 0.3); }

.large-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
}

.large-weight {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Detail Rows */
.details-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    font-size: 0.88rem;
}

.detail-label {
    color: var(--text-secondary);
    font-weight: 350;
}

.detail-value {
    color: #fff;
    font-weight: 500;
}

.highlight-value {
    color: var(--color-p-block);
}

/* Config & Shell Section */
.config-section {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    padding: 16px;
    margin-bottom: 20px;
}

.config-section h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    font-weight: 600;
}

.config-formula {
    font-family: monospace;
    font-size: 0.95rem;
    color: #fff;
    word-break: break-all;
    background: rgba(0, 0, 0, 0.15);
    padding: 8px 12px;
    border-radius: 6px;
}

.shells-display {
    display: flex;
    gap: 6px;
}

.shell-ring {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    padding: 6px;
    font-size: 0.8rem;
}

.shell-letter {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 2px;
    font-size: 0.7rem;
}

.shell-count {
    font-weight: 700;
    color: #fff;
}

/* Description Section */
.desc-section {
    line-height: 1.5;
    font-size: 0.92rem;
    color: var(--text-secondary);
    border-left: 3px solid rgba(255, 255, 255, 0.1);
    padding-left: 12px;
    font-weight: 350;
}

/* BOTTOM DRAWER FOR LANTHANIDES & ACTINIDES */
.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed);
}

.drawer-overlay.open {
    opacity: 1;
    visibility: visible;
}

.drawer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100vw;
    background: rgba(10, 15, 30, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    z-index: 101;
    transform: translateY(100%);
    transition: transform var(--transition-speed) cubic-bezier(0.1, 0.76, 0.55, 0.94);
    box-shadow: 0 -10px 45px rgba(0, 0, 0, 0.5);
    padding: 24px;
    max-height: 80vh;
    overflow-y: auto;
}

.drawer.open {
    transform: translateY(0);
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.drawer-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
}

.drawer-header .close-btn {
    background: rgba(255, 255, 255, 0.05);
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed);
}

.drawer-header .close-btn:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
}

.drawer-header .close-btn svg {
    width: 20px;
    height: 20px;
}

.series-elements-grid {
    display: grid;
    /* 15 elements in lanthanides/actinides */
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 12px;
    padding: 10px 0;
}

/* Series card inside drawer */
.series-element-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-speed);
    position: relative;
}

.series-element-card .card-number {
    position: absolute;
    top: 6px;
    right: 8px;
    font-size: 0.75rem;
    font-weight: 700;
}

.series-element-card .card-symbol {
    font-size: 2rem;
    font-weight: 800;
    margin-top: 10px;
}

.series-element-card .card-name {
    font-size: 0.8rem;
    margin-top: 4px;
    font-weight: 500;
}

.series-element-card .card-weight {
    font-size: 0.75rem;
    margin-top: 12px;
}

.series-element-card:hover {
    transform: scale(1.05);
}

.series-element-card.d-block { border-color: var(--color-d-border); color: var(--color-d-block); background: var(--color-d-bg); }
.series-element-card.f-block { border-color: var(--color-f-border); color: var(--color-f-block); background: var(--color-f-bg); }

.series-element-card.d-block:hover { color: #fff; background: var(--color-d-block); border-color: #fff; }
.series-element-card.f-block:hover { color: #fff; background: var(--color-f-block); border-color: #fff; }


/* RESPONSIVE STYLING */
@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    .inspector-panel {
        position: static;
        width: 100%;
        max-width: 600px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .app-container {
        padding: 12px;
    }
    .header-main {
        flex-direction: column;
        align-items: stretch;
    }
    .search-box {
        width: 100%;
    }
    .brand h1 {
        font-size: 1.6rem;
    }
}