/* ============================================
   Mobile-First Score Tracker Styles
   ============================================ */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --danger-color: #dc2626;
    --danger-hover: #b91c1c;
    --success-color: #16a34a;
    --background: #f8fafc;
    --surface: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --focus-color: #dc2626;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --transition: all 0.2s ease;
}

/* Dark Mode - Follows System Preference */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #3b82f6;
        --primary-hover: #2563eb;
        --secondary-color: #475569;
        --danger-color: #ef4444;
        --danger-hover: #dc2626;
        --success-color: #22c55e;
        --background: #0f172a;
        --surface: #1e293b;
        --text-primary: #f1f5f9;
        --text-secondary: #cbd5e1;
        --border-color: #334155;
        --focus-color: #ef4444;
        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background);
    background-image: 
        url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.app-container {
    max-width: 100%;
    margin: 0 auto;
    padding: var(--spacing-sm);
    min-height: 100vh;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-sm);
    background-color: var(--surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-md);
}

.app-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.btn-give-title {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    height: 44px; /* Fixed height to match section-header min-height */
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.btn-give-title:hover,
.btn-give-title:focus {
    background-color: #334155;
    outline: none;
}

.btn-clear {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--danger-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    height: 44px; /* Fixed height to match section-header min-height */
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-clear:hover,
.btn-clear:focus {
    background-color: var(--danger-hover);
    outline: none;
}

/* Main Content */
.main-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.game-section {
    background-color: var(--surface);
    background-image: 
        url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin: 0; /* Reset margins */
    margin-bottom: var(--spacing-md);
    padding: 0; /* Ensure no padding */
    min-height: 44px; /* Match button height to prevent shifts */
}

.section-header-left {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex: 1;
    min-width: 0;
}

.section-header-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-wrap: nowrap; /* Prevent wrapping */
    flex-shrink: 0; /* Don't allow buttons to shrink */
}

.game-section h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0; /* Reset all margins */
    padding: 0; /* Ensure no padding */
}

.game-title-display {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin: 0;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid transparent; /* Match input border width */
    border-radius: var(--border-radius-sm);
    min-height: calc(0.875rem * 1.5 + var(--spacing-xs) * 2 + 4px); /* Match input height exactly */
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    box-sizing: border-box;
    line-height: 1.5;
    width: 100%; /* Match player box width */
}

/* Game Title Input */
.game-title-input {
    display: none; /* Hidden by default, shown in edit mode */
    padding: var(--spacing-xs) var(--spacing-sm);
    margin: 0;
    border: 2px solid transparent; /* Match display border width */
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.5;
    background-color: #ffffff;
    color: #1e293b;
    transition: var(--transition);
    box-sizing: border-box;
    width: 100%; /* Match player box width */
    min-height: calc(0.875rem * 1.5 + var(--spacing-xs) * 2 + 4px); /* Match title display exactly */
}

.game-title-input.visible {
    display: block;
}

.game-title-input:focus {
    outline: none;
    background-color: #ffffff;
}

.game-title-input::placeholder {
    color: #64748b; /* Better contrast on white background */
    opacity: 0.8;
}

/* Players List */
.players-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

/* Player Card */
.player-card {
    background-color: var(--surface);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    box-sizing: border-box;
    min-height: calc(1.6875rem + var(--spacing-sm) * 2); /* Match edit-player-inline height */
}

.player-card:active {
    transform: scale(0.98);
}

.player-card.focused {
    border-color: var(--focus-color);
    box-shadow: var(--shadow-md);
}

.player-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 1.6875rem; /* Match text line height */
}

.player-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
    line-height: 1.5;
    min-height: 1.6875rem; /* 1.125rem * 1.5 */
}

.player-score {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.5;
    min-height: 1.6875rem; /* Match player-name */
}

.player-card-body {
    display: none;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-sm);
}

.player-card.focused .player-card-body {
    display: block;
}

/* Score Input Section */
.score-input-section {
    margin-bottom: var(--spacing-xs);
}


.score-input-wrapper {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    align-items: stretch;
    width: 100%;
    max-width: 100%;
    justify-content: center;
}

.score-input {
    flex: 0 1 auto;
    min-width: 200px;
    max-width: 400px;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1.5rem;
    font-weight: 600;
    min-height: 45px; /* 3/4 of 60px */
    text-align: center;
    transition: var(--transition);
}

.score-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.score-input.error {
    border-color: var(--danger-color);
}

.score-input.error:focus {
    border-color: var(--danger-color);
    outline: 2px solid var(--danger-color);
    outline-offset: 2px;
}

.score-error {
    font-size: 0.75rem;
    color: var(--danger-color);
    margin-top: var(--spacing-xs);
    min-height: 1.2rem;
    opacity: 0;
    transform: translateY(-5px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
}

.score-error.active {
    opacity: 1;
    transform: translateY(0);
}

.score-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex-shrink: 0; /* Prevent buttons from shrinking */
}

.btn-score {
    padding: 0;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--surface);
    color: var(--text-primary);
    font-size: 2rem;
    font-weight: 600;
    cursor: pointer;
    width: 70px;
    height: 45px; /* 3/4 of 60px */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    line-height: 1;
}

.btn-score:hover,
.btn-score:focus {
    background-color: var(--background);
    outline: none;
}

.btn-add-score {
    border-color: var(--success-color);
    color: var(--success-color);
    width: 105px; /* 1.5x of 70px */
    height: 67.5px; /* 3/4 of 90px */
    font-size: 3rem; /* Larger font */
}

.btn-add-score:hover,
.btn-add-score:focus {
    background-color: var(--success-color);
    color: white;
    border-color: var(--success-color);
}

.btn-subtract-score {
    border-color: var(--danger-color);
    color: var(--danger-color);
    width: 105px; /* Same width as add button */
    height: 45px; /* 3/4 of 60px */
}

.btn-subtract-score:hover,
.btn-subtract-score:focus {
    background-color: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

/* Score History Section */
.score-history-section {
    margin-top: var(--spacing-xs);
}

.score-history-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-xs) * 0.5);
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(var(--spacing-xs) * 0.5) var(--spacing-xs);
    background-color: var(--background);
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    min-height: 28px; /* Match button height */
}

.history-item-round {
    font-weight: 600;
    color: var(--text-secondary);
}

.history-item-change {
    font-weight: 600;
}

.history-item-change.positive {
    color: var(--success-color);
}

.history-item-change.negative {
    color: var(--danger-color);
}

.history-item-total {
    color: var(--text-secondary);
}

.history-actions {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
    align-items: center;
    width: 100%;
}

.btn-history-toggle,
.btn-edit-history {
    padding: calc(var(--spacing-xs) * 0.5) var(--spacing-xs);
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    height: 28px; /* Same height as history items */
    transition: var(--transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1; /* Make buttons span full width equally */
}

.btn-history-toggle:hover,
.btn-history-toggle:focus,
.btn-edit-history:hover,
.btn-edit-history:focus {
    background-color: #334155;
    outline: none;
}

/* Add Player Button */
.player-actions {
    display: flex;
    gap: var(--spacing-sm);
    width: 100%;
}

.btn-edit-players,
.btn-add-player,
.btn-confirm-action,
.btn-abort-action {
    padding: var(--spacing-sm);
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    height: 44px; /* Fixed height for consistency */
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    box-sizing: border-box;
}

.btn-edit-players,
.btn-add-player {
    flex: 1;
}

.btn-add-player {
    background-color: var(--primary-color);
}

.btn-edit-players:hover,
.btn-edit-players:focus {
    background-color: #334155;
    outline: none;
}

.btn-add-player:hover,
.btn-add-player:focus {
    background-color: var(--primary-hover);
    outline: none;
}

/* Inline Edit/Add Views */
.edit-player-inline {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    padding: var(--spacing-sm);
    margin: 0;
    background-color: #ffffff;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    min-height: calc(1.6875rem + var(--spacing-sm) * 2); /* Match player-card height */
}

.btn-delete-inline {
    width: 1.6875rem; /* Match text line height */
    height: 1.6875rem; /* Match text line height */
    min-width: 1.6875rem;
    padding: 0;
    background-color: transparent;
    color: var(--danger-color);
    border: 2px solid var(--danger-color);
    border-radius: 50%; /* Make it round */
    font-size: 1.125rem; /* Match player-name font size */
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    line-height: 1;
    flex-shrink: 0;
}

.btn-delete-inline:hover,
.btn-delete-inline:focus {
    background-color: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
    outline: none;
}

.edit-player-name-inline {
    flex: 1;
    min-width: 0; /* Allow flex item to shrink below content size */
    padding: 0 var(--spacing-xs);
    margin: 0;
    border: none;
    border-radius: 0;
    font-size: 1.125rem;
    font-weight: 400; /* Non-bold text */
    line-height: 1.5;
    height: 1.6875rem; /* Match player-name height to prevent layout shift */
    transition: var(--transition);
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    background-color: #ffffff;
    color: #1e293b;
}

.edit-player-name-inline::placeholder {
    color: #64748b; /* Better contrast on white background */
    opacity: 0.8;
}

.edit-player-name-inline:focus {
    outline: none;
    background-color: #ffffff;
}

.add-player-inline {
    padding: var(--spacing-sm);
    margin: 0;
    background-color: #ffffff;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    box-sizing: border-box;
    min-height: calc(1.6875rem + var(--spacing-sm) * 2); /* Match player-card height exactly */
}

.add-player-name-inline {
    width: 100%;
    padding: 0 var(--spacing-xs);
    margin: 0;
    border: none;
    border-radius: 0;
    font-size: 1.125rem;
    font-weight: 400; /* Non-bold text */
    line-height: 1.5;
    height: 1.6875rem; /* Match player-name height to prevent layout shift */
    transition: var(--transition);
    background-color: #ffffff;
    color: #1e293b;
    box-sizing: border-box;
}

.add-player-name-inline::placeholder {
    color: #64748b; /* Better contrast on white background */
    opacity: 0.8;
}

.add-player-name-inline:focus {
    outline: none;
    background-color: #ffffff;
}

.btn-confirm-action {
    flex: 1;
    background-color: var(--success-color);
}

.btn-confirm-action:hover,
.btn-confirm-action:focus {
    background-color: #15803d;
    outline: none;
}

.btn-abort-action {
    width: 25%; /* 1/4 the size */
    background-color: var(--danger-color);
    font-size: 1.5rem;
    line-height: 1;
}

.btn-abort-action:hover,
.btn-abort-action:focus {
    background-color: var(--danger-hover);
    outline: none;
}

.icon-plus {
    font-size: 1.5rem;
    font-weight: 300;
}

/* Past Games */
.past-games-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md); /* Match spacing under current game section title */
}

.past-game-card {
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius); /* Match player-card border radius */
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: var(--transition);
}

.past-game-card:hover {
    box-shadow: var(--shadow-sm);
}

.past-game-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xs);
    gap: var(--spacing-sm);
    min-height: 44px; /* Match button/input height to prevent jumps */
}

.past-game-header-left {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex: 1;
    min-width: 0;
}

.past-game-main-title {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.past-game-detail-info {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-xs) * 0.5);
    margin-top: var(--spacing-xs);
}

.past-game-timestamp {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.past-game-actions {
    display: flex;
    gap: var(--spacing-xs);
    align-items: flex-start; /* Align to top to match title alignment for consistent spacing */
}

.past-game-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.past-game-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.btn-load-game {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--success-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    height: 44px; /* Fixed height to match section-header min-height */
    transition: var(--transition);
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.btn-load-game:hover,
.btn-load-game:focus {
    background-color: #15803d;
    outline: none;
}

.btn-view-chart {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    cursor: pointer;
    height: 44px; /* Fixed height to match section-header min-height */
    transition: var(--transition);
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-view-chart:hover,
.btn-view-chart:focus {
    background-color: var(--primary-hover);
    outline: none;
}

.past-game-players {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.past-game-player {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 0.875rem;
    gap: var(--spacing-xs);
}

.past-game-player > span:first-child {
    flex-shrink: 0;
}

.past-game-score-separator {
    flex: 1;
    border-bottom: 1px dotted var(--text-secondary);
    margin: 0 var(--spacing-xs);
    min-width: 20px;
    opacity: 0.5;
}

.past-game-player > span:last-child {
    flex-shrink: 0;
}

.past-game-player-extreme {
    font-weight: 700;
}

/* Past Game Inline Editing */
.edit-past-game-inline {
    display: flex;
    align-items: center; /* Center delete button vertically with entire box */
    gap: var(--spacing-sm);
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    box-sizing: border-box;
    cursor: default; /* Not clickable in edit mode */
}

.edit-past-game-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-xs) * 0.5); /* Reduce vertical gap to match normal card height */
    min-width: 0;
}

.edit-past-game-content .past-game-header {
    margin-bottom: calc(var(--spacing-xs) * 0.5); /* Align with reduced gap */
    min-height: 44px; /* Match title/input height */
    align-items: center; /* Keep title vertically centered */
}

.edit-past-game-content .past-game-header-left {
    gap: 0; /* Match collapsed view - no gap between title and actions */
}

.edit-past-game-title-inline {
    width: 100%;
    padding: 0 var(--spacing-sm);
    margin: 0;
    background-color: #ffffff;
    color: #1e293b;
    border: 2px solid transparent;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: 400;
    font-family: inherit;
    box-sizing: border-box;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    height: 32px; /* Align closer to normal header height */
    min-height: 32px;
    caret-color: #1e293b;
}

.edit-past-game-title-inline::placeholder {
    color: #64748b; /* Better contrast on white background */
    opacity: 0.8;
}

.edit-past-game-title-inline:focus {
    outline: none;
    background-color: #ffffff;
    color: #1e293b;
    border-color: var(--focus-color);
    white-space: nowrap;
    overflow: hidden;
    height: 32px; /* Keep height stable on focus */
    min-height: 32px;
}


.past-games-actions {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
    align-items: center;
    width: 100%;
}

/* Past games buttons should match current game section buttons */
.past-games-actions .btn-history-toggle,
.past-games-actions .btn-edit-history {
    padding: var(--spacing-sm);
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    height: 44px; /* Match current game section buttons */
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    box-sizing: border-box;
    flex: 1; /* Make buttons span full width equally */
}

.past-games-actions .btn-history-toggle:hover,
.past-games-actions .btn-history-toggle:focus,
.past-games-actions .btn-edit-history:hover,
.past-games-actions .btn-edit-history:focus {
    background-color: #334155;
    outline: none;
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background-color: var(--surface);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    width: 100%;
    max-width: 400px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.2s ease;
}

.modal-content.modal-large {
    max-width: 600px;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    text-align: center;
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.modal-content input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    min-height: 44px;
    transition: var(--transition);
}

.modal-content input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.btn-primary,
.btn-secondary,
.btn-danger {
    padding: var(--spacing-xs) var(--spacing-md);
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    min-height: 44px;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--primary-hover);
    outline: none;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: #334155;
    outline: none;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover,
.btn-danger:focus {
    background-color: var(--danger-hover);
    outline: none;
}

/* History Edit List */
.history-edit-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
}

.history-edit-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    padding: var(--spacing-sm);
    background-color: var(--background);
    border-radius: var(--border-radius-sm);
}

.history-edit-item input {
    flex: 1;
    margin: 0;
}

.history-edit-item .btn-danger {
    min-width: auto;
    padding: var(--spacing-xs) var(--spacing-sm);
}

/* Edit Players List */
.edit-players-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
}

.edit-player-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    padding: var(--spacing-sm);
    background-color: var(--background);
    border-radius: var(--border-radius-sm);
}

.edit-player-item input {
    flex: 1;
    margin: 0;
}

.edit-player-item .btn-danger {
    min-width: auto;
    padding: var(--spacing-xs) var(--spacing-sm);
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 400px;
    margin-bottom: var(--spacing-md);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-sm);
    color: var(--text-secondary);
    background-color: transparent; /* Match parent background */
    border: 2px solid transparent; /* Invisible border to match player-card total height */
    border-radius: 0;
    box-sizing: border-box;
    min-height: calc(1.6875rem + var(--spacing-sm) * 2); /* Match player-card min-height exactly */
    display: flex;
    align-items: center;
    justify-content: center;
}

.empty-state p {
    margin: 0; /* Remove margin to match player card header height */
    font-size: 1.125rem; /* Match player-name font size */
    line-height: 1.5;
}

/* Tablet Styles (768px+) */
@media (min-width: 768px) {
    .app-container {
        max-width: 768px;
        padding: var(--spacing-md);
    }

    .app-header h1 {
        font-size: 1.75rem;
    }

    .score-input-wrapper {
        flex-direction: row;
    }

    .score-buttons {
        flex-direction: row;
        align-items: stretch;
    }
    
    .btn-score {
        height: 45px; /* 3/4 of 60px */
    }
    
    .btn-add-score {
        height: 67.5px; /* 3/4 of 90px */
        width: 157.5px; /* 1.5x of 105px at breakpoint */
    }
    
    .btn-subtract-score {
        height: 67.5px; /* 3/4 of 90px, same height as add button at breakpoint */
    }

    .modal-content {
        max-width: 500px;
    }

    .modal-content.modal-large {
        max-width: 700px;
    }
}

/* Desktop Styles (1024px+) */
@media (min-width: 1024px) {
    .app-container {
        max-width: 1024px;
    }

    .main-content {
        flex-direction: row;
        align-items: flex-start;
    }

    .game-section {
        flex: 1;
    }

    .players-list {
        max-height: 70vh;
        overflow-y: auto;
    }
}

/* Small Mobile Optimizations (<=480px) */
@media (max-width: 480px) {
    :root {
        --spacing-xs: 0.4rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1.1rem;
        --spacing-lg: 1.25rem;
    }

    .app-container {
        padding: var(--spacing-sm);
    }

    .game-section {
        padding: var(--spacing-sm);
    }

    .section-header-actions {
        gap: var(--spacing-xs);
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .section-header {
        flex-wrap: wrap; /* allow wrap only when needed */
        gap: var(--spacing-xs);
    }

    .score-input {
        min-width: 140px;
        max-width: 260px;
        font-size: 1.25rem;
    }

    .btn-score {
        width: 56px;
        height: 38px;
        font-size: 1.6rem;
    }

    .btn-add-score {
        width: 84px;
        height: 57px;
        font-size: 2.2rem;
    }

    .btn-subtract-score {
        width: 84px;
        height: 38px;
    }

    /* Current game primary buttons */
    .btn-view-chart,
    .btn-clear,
    .btn-give-title {
        height: 40px;
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.95rem;
    }

    /* Player action buttons */
    .btn-edit-players,
    .btn-add-player,
    .btn-confirm-action,
    .btn-abort-action {
        height: 40px;
        font-size: 0.95rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .player-actions {
        gap: var(--spacing-xs);
        flex-wrap: wrap;
    }

    .btn-edit-players,
    .btn-add-player {
        flex: 1 1 48%;
    }

    .past-game-card {
        padding: var(--spacing-sm);
    }

    .past-game-header {
        gap: var(--spacing-xs);
    }

    .past-game-actions {
        gap: var(--spacing-xs);
        flex-wrap: wrap;
    }

    .past-game-actions .btn-view-chart,
    .past-game-actions .btn-load-game {
        flex: 1 1 45%;
        height: 38px;
        font-size: 0.9rem;
    }

    .edit-past-game-inline {
        padding: var(--spacing-sm);
    }

    .edit-past-game-title-inline {
        font-size: 0.85rem;
    }

    .chart-container {
        height: 220px;
    }

    .modal-content {
        padding: var(--spacing-sm);
        max-width: 340px;
    }
}
/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible for keyboard navigation */
button:focus-visible,
input:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}