:root {
    --bs-danger: #e94560;
    --bs-danger-rgb: 233, 69, 96;
    --bs-success: #4caf50;
    --bs-success-rgb: 76, 175, 80;
}

[data-bs-theme] {
    --bs-card-border-color: var(--bs-border-color);
}

[data-bs-theme="dark"] {
    --bs-body-bg: #1a1a2e;
    --bs-body-color: #e0e0e0;
    --bs-secondary-color: #888;
    --bs-border-color: #0f3460;
    --bs-card-bg: #16213e;
    --form-bg: #0f3460;
    --form-border: #0f3460;
    --form-border-focus: #1a4a8a;
    --form-focus-shadow: rgba(26, 74, 138, 0.25);
    --form-disabled-bg: #333;
    --form-disabled-border: #333;
    --form-disabled-color: #555;
    /* Edit overlay lightens the box in dark mode. */
    --edit-scrim: rgba(255, 255, 255, 0.2);
    --edit-icon: rgba(0, 0, 0, 0.7);
    --edit-icon-hover: #000;
}

[data-bs-theme="light"] {
    --bs-body-bg: #f0f4ff;
    --bs-body-color: #1a1a2e;
    --bs-secondary-color: #6670a0;
    --bs-border-color: #c0cef0;
    --bs-card-bg: #ffffff;
    --form-bg: #e8f0ff;
    --form-border: #c0cef0;
    --form-border-focus: #5b7ed9;
    --form-focus-shadow: rgba(91, 126, 217, 0.25);
    --form-disabled-bg: #dde5ff;
    --form-disabled-border: #dde5ff;
    --form-disabled-color: #8899cc;
    /* Edit overlay darkens the box in light mode. */
    --edit-scrim: rgba(0, 0, 0, 0.15);
    --edit-icon: rgba(255, 255, 255, 0.85);
    --edit-icon-hover: #fff;
}

.form-control {
    background-color: var(--form-bg);
    border-color: var(--form-border);
    color: var(--bs-body-color);
}

.form-control:focus {
    background-color: var(--form-bg);
    border-color: var(--form-border-focus);
    box-shadow: 0 0 0 0.25rem var(--form-focus-shadow);
}

.form-control:disabled {
    background-color: var(--form-disabled-bg);
    border-color: var(--form-disabled-border);
    color: var(--form-disabled-color);
}

.matches-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
    align-items: start;
}

.beta-badge {
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .1em;
    color: #c0287a;
    vertical-align: middle;
}

.section-header,
.section-divider {
    grid-column: 1 / -1;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding-top: .25rem;
}

/* Shared small-caps heading for section titles and bracket branch labels. */
.section-title,
.bracket-branch-label {
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--bs-secondary-color);
}

.section-expand-btn {
    margin-left: auto;
    padding-top: 0;
    padding-bottom: 0;
    line-height: 1;
}

.section-divider {
    border-top: 1px solid var(--bs-border-color);
    margin-top: .25rem;
}

.card > .card-body {
    padding-bottom: 0.25rem;
}

.team-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-height: calc(1.5rem + 8px);
}

.team-logo {
    width: 1.25rem;
    height: 1.25rem;
    object-fit: contain;
    flex-shrink: 0;
}

.team-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.score-input {
    width: 52px;
    flex-shrink: 0;
    text-align: center;
    font-size: 1rem;
    padding: 3px 4px;
}

.actual-score {
    flex-shrink: 0;
    min-width: 1.25rem;
    text-align: right;
}

.pred-sign + .actual-score {
    margin-left: -0.5rem;
}

.pred-sign {
    flex-shrink: 0;
    min-width: 0.75rem;
    text-align: center;
}

.pred-sign.prediction-high {
    color: #5b8dee;
}

.pred-sign.prediction-low {
    color: var(--bs-danger);
}

.pred-sign.prediction-exact {
    color: var(--bs-success);
}

.score-input.invalid,
.score-input.invalid:focus {
    border-color: var(--bs-danger);
    color: var(--bs-danger);
}

.score-input.invalid:focus {
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-danger-rgb), 0.25);
}

/* Prefix label column is sized to the widest label so every row's tab buttons
   start at the same x. */
#tabs-bar {
    grid-template-columns: max-content 1fr;
    align-items: center;
}

.tab-btn.invalid-day {
    color: var(--bs-danger);
    border-color: var(--bs-danger);
}

.tab-btn.invalid-day:hover {
    color: #fff;
    background-color: var(--bs-danger);
    border-color: var(--bs-danger);
}

.score-input.prediction-high,
.score-input.prediction-high:disabled {
    border-color: #5b8dee;
    color: #5b8dee;
    background-color: var(--form-disabled-bg);
}

.score-input.prediction-low,
.score-input.prediction-low:disabled {
    border-color: var(--bs-danger);
    color: var(--bs-danger);
    background-color: var(--form-disabled-bg);
}

.score-input.prediction-exact,
.score-input.prediction-exact:disabled {
    border-color: var(--bs-success);
    color: var(--bs-success);
    background-color: var(--form-disabled-bg);
}

.toggle-row {
    position: relative;
}

.submitted-badge {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

.score-box {
    position: relative;
}

.edit-overlay {
    position: absolute;
    /* Bleed over the card-body padding so the scrim reaches the card edges on
       top/left/right; the bottom stays at the score box so the dropdown button
       below is never covered. */
    top: calc(-1 * var(--bs-card-spacer-y));
    left: calc(-1 * var(--bs-card-spacer-x));
    right: calc(-1 * var(--bs-card-spacer-x));
    bottom: 0;
    appearance: none;
    -webkit-appearance: none;
    border-top-left-radius: var(--bs-card-inner-border-radius);
    border-top-right-radius: var(--bs-card-inner-border-radius);
    cursor: pointer;
    /* Hidden but still focusable, so keyboard users can Tab to it; pointer-events
       lets mouse hover/clicks pass through to the inputs while it's invisible. */
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, color 0.15s;
    z-index: 2;
    -webkit-backdrop-filter: blur(0.5px);
    backdrop-filter: blur(0.5px);
    /* scale to force subpixel rendering */
    transform: translateZ(0);
    background: var(--edit-scrim);
    color: var(--edit-icon);
}

/* Decorative tail: extends the scrim below the score box so it fades into the
   dropdown button. pointer-events:none keeps the dropdown clickable underneath. */
.edit-overlay::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 18px;
    pointer-events: none;
    background: inherit;
    -webkit-backdrop-filter: blur(1px);
    backdrop-filter: blur(1px);
    -webkit-mask-image: linear-gradient(to bottom, #000, transparent);
    mask-image: linear-gradient(to bottom, #000, transparent);
}

.edit-overlay svg {
    transition: transform 0.18s ease;
    transform: translateY(6px);
}

.score-box:hover .edit-overlay,
.edit-overlay:focus-visible {
    opacity: 1;
    pointer-events: auto;
}

.score-box:hover .edit-overlay svg,
.edit-overlay:focus-visible svg {
    transform: none;
}

.edit-overlay:hover,
.edit-overlay:focus-visible {
    color: var(--edit-icon-hover);
}

.toggle-btn {
    appearance: none;
    -webkit-appearance: none;
    background: transparent;
    border: none;
    outline: none;
    color: var(--bs-secondary-color);
    cursor: pointer;
    padding: 6px 0;
    margin-top: 0.25rem;
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 0;
    transition: color 0.15s;
}

.toggle-btn::before,
.toggle-btn::after {
    content: '';
    display: block;
    width: 8px;
    height: 1.5px;
    background: currentColor;
    border-radius: 1px;
    transition: transform 0.2s;
}

.toggle-btn::before {
    transform-origin: right center;
    transform: translateY(3px) rotate(45deg);
}

.toggle-btn::after {
    transform-origin: left center;
    transform: translateY(3px) rotate(-45deg);
}

.toggle-btn.open::before {
    transform: translateY(-3px) rotate(-45deg);
}

.toggle-btn.open::after {
    transform: translateY(-3px) rotate(45deg);
}

.toggle-btn:hover,
.toggle-btn.open {
    color: var(--bs-body-color);
}

.chevron-icon {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    gap: 3px;
    vertical-align: center;
}

.chevron-arrow {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0;
}

.chevron-arrow::before,
.chevron-arrow::after {
    content: '';
    display: block;
    width: 6px;
    height: 1.5px;
    background: currentColor;
    border-radius: 1px;
    transition: transform 0.2s;
}

.chevron-arrow::before {
    transform-origin: right center;
    transform: translateY(2px) rotate(45deg);
}

.chevron-arrow::after {
    transform-origin: left center;
    transform: translateY(2px) rotate(-45deg);
}

#expand-all-btn.open .chevron-arrow::before,
.section-expand-btn.open .chevron-arrow::before {
    transform: translateY(-2px) rotate(-45deg);
}

#expand-all-btn.open .chevron-arrow::after,
.section-expand-btn.open .chevron-arrow::after {
    transform: translateY(-2px) rotate(45deg);
}

.predictions-panel {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.25s ease;
}

.predictions-panel.open {
    grid-template-rows: 1fr;
}

.predictions-inner {
    overflow: hidden;
    padding-top: 10px;
}

.predictions-panel.open > .predictions-inner {
    margin-top: 12px;
    border-top: 1px solid var(--bs-border-color);
}

.prediction-divider {
    border: 0;
    border-top: 1px solid var(--bs-border-color);
    opacity: 1;
    margin: 0.25rem 0;
}

.submit-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.75rem 0;
    background: var(--bs-body-bg);
    border-top: 1px solid var(--bs-border-color);
    z-index: 1000;
}

.nm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
}

.nm-box {
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-danger);
    border-radius: 0.75rem;
    padding: 1.75rem;
    width: 320px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

#image-section-list {
    max-height: 50vh;
    overflow-y: auto;
}

#toast {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1rem;
    background: var(--bs-danger);
    color: #fff;
    border-radius: 0.375rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.45);
    font-size: 0.875rem;
    z-index: 2000;
    max-width: calc(100vw - 2rem);
    cursor: pointer;
}

#incident-toast {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.5rem 0.5rem 1rem;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    border-left: 3px solid #F3900E;
    border-radius: 0.5rem;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
    font-size: 0.875rem;
    z-index: 2000;
    max-width: calc(100vw - 2rem);
    animation: incident-toast-in 0.25s ease both;
}

.incident-toast-msg {
    color: var(--bs-body-color);
    text-decoration: none;
    font-weight: 500;
}

.incident-toast-msg:hover {
    text-decoration: underline;
}

.incident-toast-close {
    flex-shrink: 0;
    border: none;
    background: transparent;
    color: var(--bs-secondary-color);
    font-size: 1.25rem;
    line-height: 1;
    padding: 0 0.35rem;
    cursor: pointer;
}

.incident-toast-close:hover {
    color: var(--bs-body-color);
}

@keyframes incident-toast-in {
    from {
        opacity: 0;
        transform: translateY(0.5rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    20% {
        transform: translateX(-7px);
    }
    40% {
        transform: translateX(7px);
    }
    60% {
        transform: translateX(-4px);
    }
    80% {
        transform: translateX(4px);
    }
}

.shake {
    animation: shake 0.4s ease;
}

.user-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 4px);
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-secondary-color);
    border-radius: 0.25rem;
    min-width: max-content;
    z-index: 1001;
}

.user-dropdown-item {
    display: block;
    width: 100%;
    padding: 0.25rem 0.5rem;
    text-align: left;
    background: transparent;
    border: none;
    color: var(--bs-secondary-color);
    font-size: 0.875rem;
    cursor: pointer;
    border-radius: 0.25rem;
}

.user-dropdown-item:hover {
    color: var(--bs-body-color);
    background: rgba(128, 128, 128, 0.1);
}

/* ============== Bracket view ============== */
/* A bracket block spans the grid and scrolls horizontally; its canvas positions the
   same score-box cards absolutely (one column per round) over an SVG edge layer. */
.bracket-block {
    grid-column: 1 / -1;
    overflow-x: auto;
    padding-bottom: .5rem;
}

.bracket-canvas {
    position: relative;
}

.bracket-edges {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
}

.bracket-edge {
    stroke: var(--bs-secondary-color);
    stroke-width: 2;
    opacity: .55;
}

.bracket-edge-loser {
    stroke-dasharray: 5 4;
    opacity: .4;
}

/* Lines into/out of the hovered match (see renderBracketBlock). */
.bracket-edge-hl {
    stroke: var(--bs-primary, #4ea1ff);
    stroke-width: 3;
    opacity: 1;
}

.bracket-branch-label {
    position: absolute;
    left: 0;
}

.bracket-cell {
    position: absolute;
    width: 230px;
}

.bracket-cell > .card {
    width: 100%;
    margin: 0;
}

/* Not-yet-decided slots: the same shape, dimmed, no prediction toggle. */
.bracket-tbd {
    opacity: .5;
}