@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --bg-base: #0f131a;
    --bg-surface: rgba(22, 28, 38, 0.7);
    --bg-surface-solid: #161c26;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --accent-cyan: #00d2ff;
    --accent-gold: #ffb700;
    --accent-red: #ff4a5a;
    --accent-purple: #b366ff;
    --accent-true: #ffffff;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-heading: 'Outfit', sans-serif;
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-base);
    background-image: 
        radial-gradient(at 10% 20%, rgba(0, 210, 255, 0.03) 0px, transparent 50%),
        radial-gradient(at 90% 80%, rgba(255, 183, 0, 0.03) 0px, transparent 50%);
    color: var(--text-primary);
    font-family: var(--font-sans);
    min-height: 100vh;
    line-height: 1.6;
    padding: 2rem 1rem;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Header Styles */
header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
}

header h1 {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 2.5rem;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 30%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

header p {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 300;
}

/* Layout Grid */
.layout-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .layout-grid {
        grid-template-columns: 450px 1fr;
        align-items: start;
    }
}

/* Card Styles */
.card {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    transition: var(--transition-normal);
}

.card:hover {
    border-color: rgba(0, 210, 255, 0.15);
}

.card-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 0.75rem;
}

/* Form Elements */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

select, input[type="text"], input[type="number"] {
    width: 100%;
    background: rgba(15, 19, 26, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-fast);
}

select:focus, input[type="text"]:focus, input[type="number"]:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 2px rgba(0, 210, 255, 0.2);
}

/* Slider Controls */
.slider-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    background: rgba(255, 255, 255, 0.1);
    height: 6px;
    border-radius: 3px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-cyan);
    cursor: pointer;
    box-shadow: 0 0 8px var(--accent-cyan);
    transition: var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.slider-value {
    min-width: 2.5rem;
    text-align: right;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    color: var(--accent-cyan);
}

/* Tab buttons for Elite (昇進) and Chart Modes */
.elite-tabs, .chart-tabs {
    display: flex;
    background: rgba(15, 19, 26, 0.6);
    border-radius: var(--radius-sm);
    padding: 0.25rem;
    border: 1px solid var(--border-color);
}

.elite-tab, .chart-tab {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 500;
    cursor: pointer;
    border-radius: 4px;
    transition: var(--transition-fast);
    text-align: center;
}

.elite-tab.active, .chart-tab.active {
    background: var(--accent-cyan);
    color: var(--bg-base);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 210, 255, 0.3);
}

/* Operator Info Card Header */
.op-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.op-avatar-placeholder {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.2), rgba(255, 183, 0, 0.2));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    border: 1px solid var(--border-color);
    font-family: var(--font-heading);
    color: var(--accent-cyan);
}

.op-meta h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
}

.op-tags {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.tag {
    font-size: 0.75rem;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.tag.rarity-6 { color: var(--accent-gold); border-color: rgba(255, 183, 0, 0.3); background: rgba(255, 183, 0, 0.05); }
.tag.rarity-5 { color: #ff8df0; border-color: rgba(255, 141, 240, 0.3); }
.tag.class-tag { color: var(--accent-cyan); border-color: rgba(0, 210, 255, 0.3); }

/* Skill Icon & Select Wrapper */
.skill-select-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.skill-select-wrapper select {
    flex: 1;
}
.skill-icon-display {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: var(--radius-sm);
    background: rgba(15, 19, 26, 0.6);
    border: 2px solid rgba(0, 194, 255, 0.35);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 8px rgba(0, 194, 255, 0.15);
}
.skill-icon-display img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
}
.skill-icon-fallback {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-cyan);
    opacity: 0.6;
}

/* Skill Info Section */
.skill-desc {
    background: rgba(15, 19, 26, 0.4);
    border-left: 3px solid var(--accent-cyan);
    padding: 1rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* In-game like tags inside description text */
.skill-desc span.ba-vup { color: var(--accent-cyan); font-weight: 600; }
.skill-desc span.ba-kw { color: #ffeb3b; font-weight: 500; }
.skill-desc span[class*="ba-"] { font-weight: 500; }
.skill-desc span.ba-camou, .skill-desc span.ba-invisible { color: #a5b4fc; } /* 迷彩/ステルス: 薄い紫/青 */
.skill-desc span.ba-stun, .skill-desc span.ba-cold, .skill-desc span.ba-frozen { color: #93c5fd; } /* スタン/寒冷/凍結: 薄い水色 */

.skill-info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.skill-stat-card {
    background: rgba(15, 19, 26, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    text-align: center;
}

.skill-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.skill-stat-value {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
}

/* Attribute Table */
.attr-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.attr-table th, .attr-table td {
    padding: 0.6rem 0.5rem;
    text-align: left;
    font-size: 0.9rem;
}

.attr-table th {
    color: var(--text-muted);
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
}

.attr-table td {
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.attr-name {
    color: var(--text-secondary);
    font-weight: 500;
}

.attr-val {
    font-family: var(--font-heading);
    font-weight: 600;
    text-align: right;
}

.attr-bonus {
    font-size: 0.8rem;
    color: #10b981;
    text-align: right;
}

/* Right Side Dashboard Layout */
.results-dashboard {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .results-dashboard {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chart-card {
        grid-column: span 2;
    }
}

/* Big Status Card values */
.stat-summary-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 140px;
    position: relative;
    overflow: hidden;
}

.stat-summary-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 70%);
}

.stat-summary-card.accent-normal { border-left: 4px solid var(--text-secondary); }
.stat-summary-card.accent-skill { border-left: 4px solid var(--accent-cyan); }

.summary-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
}

.summary-value {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1;
    margin: 0.5rem 0;
}

.summary-value .unit {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: 0.25rem;
}

.summary-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
}

.summary-meta span.green { color: #10b981; font-weight: 600; }
.summary-meta span.red { color: var(--accent-red); font-weight: 600; }

/* Chart Styling */
.chart-container {
    position: relative;
    height: 320px;
    width: 100%;
    margin-top: 1rem;
}

/* Damage Type Selector */
.damage-type-pill {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.damage-type-pill.physical { background: rgba(255, 74, 90, 0.15); color: var(--accent-red); border: 1px solid rgba(255, 74, 90, 0.3); }
.damage-type-pill.arts { background: rgba(179, 102, 255, 0.15); color: var(--accent-purple); border: 1px solid rgba(179, 102, 255, 0.3); }
.damage-type-pill.true { background: rgba(255, 255, 255, 0.1); color: var(--accent-true); border: 1px solid rgba(255, 255, 255, 0.2); }
.damage-type-pill.hybrid { background: rgba(255, 183, 0, 0.15); color: var(--accent-gold); border: 1px solid rgba(255, 183, 0, 0.3); }

/* Quick select presets for enemies */
.enemy-presets {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.preset-btn {
    flex: 1;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    padding: 0.35rem;
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.preset-btn:hover {
    background: rgba(0, 210, 255, 0.08);
    border-color: var(--accent-cyan);
    color: var(--text-primary);
}

/* App version footer */
footer {
    text-align: center;
    margin-top: 4rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

footer a {
    color: var(--accent-cyan);
    text-decoration: none;
}

/* Collapsible Card Styling */
.card-header-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 1.25rem;
}

/* Hover effect on header */
.card-header-toggle:hover .card-title-text {
    color: var(--accent-cyan);
}

.card-title-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-title-wrapper svg {
    flex-shrink: 0;
    color: var(--accent-cyan);
}

.card-title-text {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    font-family: var(--font-heading);
    transition: color 0.2s ease;
    color: var(--text-primary);
}

.card-header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    overflow: hidden;
}

.card-summary-preview {
    font-size: 0.8rem;
    color: var(--accent-cyan);
    background: rgba(0, 210, 255, 0.05);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 210, 255, 0.15);
    max-width: 280px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    opacity: 0;
    transform: translateX(10px);
    transition: all 0.3s ease;
}

.card.collapsed .card-summary-preview {
    opacity: 1;
    transform: translateX(0);
}

.card-toggle-chevron {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-muted);
    flex-shrink: 0;
}

.card.collapsed .card-toggle-chevron {
    transform: rotate(-90deg);
}

.card-body-content {
    opacity: 1;
    transition: opacity 0.3s ease;
}

.card.collapsed .card-body-content {
    display: none !important;
}

/* Adjusted spacing when collapsed */
.card.collapsed {
    padding-bottom: 0.75rem;
}

.card.collapsed .card-header-toggle {
    border-bottom-color: transparent;
    margin-bottom: 0;
    padding-bottom: 0;
}

/* Modal configuration layout and elements */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 14, 20, 0.82);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    will-change: opacity;
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-box {
    background: #161c26;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 95%;
    max-width: 1100px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.7);
    transform: scale(0.95) translateY(15px) translateZ(0);
    transition: transform var(--transition-normal);
    will-change: transform;
}

.modal-overlay.open .modal-box {
    transform: scale(1) translateY(0) translateZ(0);
}

.modal-header {
    padding: 1.25rem 1.75rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.modal-close-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.5rem;
    width: 36px;
    height: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: var(--transition-fast);
}

.modal-close-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(90deg);
}

.modal-body {
    padding: 1.75rem;
    overflow-y: auto;
    flex: 1;
    will-change: scroll-position;
    -webkit-overflow-scrolling: touch;
}

.modal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
    align-items: start;
}

@media (max-width: 900px) {
    .modal-grid {
        grid-template-columns: 1fr;
    }
}

.modal-footer {
    padding: 1.25rem 1.75rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    background: rgba(15, 19, 26, 0.3);
    border-bottom-left-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
}

.modal-apply-btn {
    background: linear-gradient(135deg, var(--accent-cyan), #00b0f0);
    color: #ffffff;
    border: none;
    padding: 0.75rem 2.5rem;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 0 4px 12px rgba(0, 210, 255, 0.2);
}

.modal-apply-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0, 210, 255, 0.35);
}

.modal-apply-btn:active {
    transform: translateY(0);
}

/* Trigger button card styling */
.op-settings-trigger-card {
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

.op-settings-trigger-card:hover {
    border-color: rgba(0, 210, 255, 0.3);
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.1);
    transform: translateY(-2px);
}

/* Hide collapse controls for cards inside the modal to clean up UI */
.modal-body .card-header-toggle {
    cursor: default;
}
.modal-body .card-toggle-chevron {
    display: none;
}

/* Operator Grid Selection Panel */
.op-grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(75px, 1fr));
    gap: 0.6rem;
    max-height: 260px;
    overflow-y: auto;
    padding: 0.75rem;
    background: rgba(10, 14, 20, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    will-change: scroll-position;
    -webkit-overflow-scrolling: touch;
}

.op-grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.02);
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.op-grid-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.op-grid-item.selected {
    background: rgba(0, 210, 255, 0.12);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 210, 255, 0.25);
}

.op-grid-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.25rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
    background: #1e2633;
}

.op-grid-name {
    font-size: 0.725rem;
    color: var(--text-secondary);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
}

.op-grid-item.selected .op-grid-name {
    color: var(--accent-cyan);
    font-weight: bold;
}

/* Rarity specific avatar border hints */
.op-grid-avatar.rarity-6 {
    border-color: rgba(255, 183, 0, 0.4);
}
.op-grid-avatar.rarity-5 {
    border-color: rgba(179, 102, 255, 0.4);
}
.op-grid-avatar.rarity-4 {
    border-color: rgba(0, 210, 255, 0.4);
}

/* Footer styling */
footer {
    margin-top: 3rem;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.6;
}