:root,
[data-theme="light"] {
    --primary: #1a3a5c;
    --primary-light: #2a5a8c;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --bg: #f8f9fa;
    --text: #212529;
    --text-muted: #6c757d;
    --border: #dee2e6;
    --white: #ffffff;
    --btn-text: #ffffff;
    --card-bg: #ffffff;
    --input-bg: #ffffff;
    --highlight: #e8eef4;
    --ready-bg: #e8f5e9;
    --result-bg: #f0f0f0;
    --winner-bg: #e8f5e9;
    --coffee-banner-bg: #fff8e1;
    --confused-color: #e65100;
    --connection-warn-bg: #fff3e0;
    --connection-err-bg: #fce4ec;
}

[data-theme="dark"] {
    --primary: #5b9bd5;
    --primary-light: #7bb3e0;
    --success: #66bb6a;
    --warning: #ffca28;
    --danger: #ef5350;
    --bg: #1a1a2e;
    --text: #e0e0e0;
    --text-muted: #b0b0b0;
    --border: #3a3a5c;
    --white: #16213e;
    --btn-text: #ffffff;
    --card-bg: #16213e;
    --input-bg: #1e2a4a;
    --highlight: #1e2a4a;
    --ready-bg: #1b3a1b;
    --result-bg: #1e1e3a;
    --winner-bg: #1b3a1b;
    --coffee-banner-bg: #3a3520;
    --confused-color: #ffab40;
    --connection-warn-bg: #3a3520;
    --connection-err-bg: #3a1a1a;
}

* {
    box-sizing: border-box;
}

html, body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

h1:focus {
    outline: none;
}

/* App container */
.app-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 1rem;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: var(--btn-text);
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    min-height: 44px;
    min-width: 44px;
    text-decoration: none;
    text-align: center;
}

.btn-primary:hover {
    background: var(--primary-light);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.2rem;
    width: 100%;
    max-width: 300px;
}

/* Input */
.input-name {
    display: block;
    width: 100%;
    max-width: 300px;
    padding: 12px 16px;
    font-size: 1.1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    margin-bottom: 1rem;
    background: var(--input-bg);
    color: var(--text);
    min-height: 44px;
}

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

/* Home page */
.home-page {
    text-align: center;
    padding-top: 20vh;
}

.home-page h1 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.home-page p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* Join page */
.join-page {
    text-align: center;
    padding-top: 15vh;
}

.join-page h1 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.join-page h2 {
    font-size: 1.3rem;
    color: var(--text);
    margin-bottom: 1.5rem;
}

.join-form {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.error-message {
    padding: 2rem;
}

.error-message p {
    margin-bottom: 1.5rem;
    color: var(--danger);
}

/* Room page */
.room-page {
    padding-bottom: 2rem;
}

.room-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 1rem;
}

.room-header h1 {
    font-size: 1.3rem;
    color: var(--primary);
    margin: 0;
}

.room-code {
    font-family: monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    background: var(--highlight);
    padding: 4px 12px;
    border-radius: 6px;
}

.room-info {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.sm-indicator {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.participant-list {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.participant-chip {
    display: inline-block;
    padding: 3px 8px;
    margin: 2px 4px 2px 0;
    background: var(--highlight);
    border-radius: 12px;
    font-size: 0.9rem;
    white-space: nowrap;
}

.potato-banner-icon {
    font-size: 1.8em;
    vertical-align: middle;
}

.potato-announcement {
    margin: 1rem 0;
    padding: 1rem 1.5rem;
    background: var(--coffee-banner-bg);
    border-radius: 6px;
    text-align: center;
    font-weight: 600;
    font-size: 0.95rem;
}

.shareable-link {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.shareable-link code {
    color: var(--primary);
    background: var(--highlight);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
    word-break: break-all;
}

.copy-btn {
    background: none;
    border: none;
    padding: 2px 4px;
    font-size: 1rem;
    cursor: pointer;
    margin-left: 4px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.copy-btn:hover {
    opacity: 1;
}

.interaction-area {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
}

/* SM Control Panel */
.sm-control-panel {
    background: var(--white);
    border: 2px solid var(--primary);
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.mode-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.mode-buttons span {
    font-weight: 600;
    font-size: 0.9rem;
}

.btn-mode {
    padding: 8px 16px;
    border: 2px solid var(--border);
    border-radius: 6px;
    background: var(--white);
    color: var(--text);
    font-size: 0.9rem;
    cursor: pointer;
    min-height: 44px;
}

.btn-mode:hover {
    border-color: var(--primary);
}

.btn-mode.active {
    background: var(--primary);
    color: var(--btn-text);
    border-color: var(--primary);
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-action {
    padding: 8px 16px;
    border: 2px solid var(--border);
    border-radius: 6px;
    background: var(--white);
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    min-height: 44px;
}

.btn-action:hover:not(:disabled) {
    border-color: var(--primary);
    background: var(--highlight);
}

.btn-action:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Sizing UI */
.size-buttons {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 1.5rem 0;
}

.btn-size {
    width: 64px;
    height: 64px;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: var(--white);
    color: var(--text);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-size:hover {
    border-color: var(--primary);
    background: var(--highlight);
}

.btn-size.selected {
    background: var(--primary);
    color: var(--btn-text);
    border-color: var(--primary);
}

.vote-confirmation {
    color: var(--success);
    font-weight: 600;
    margin-top: 0.5rem;
}

.vote-progress {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
}

.voter-list {
    text-align: left;
    margin-top: 1rem;
    font-size: 0.95rem;
    line-height: 1.8;
}

/* Results */
.results-list {
    text-align: left;
    margin-top: 1rem;
}

.result-row {
    padding: 0.75rem;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    background: var(--result-bg);
}

.result-row.winner {
    background: var(--ready-bg);
    border: 2px solid var(--success);
}

.result-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

.trophy {
    font-size: 1.2rem;
}

.result-size {
    font-weight: 700;
    font-size: 1.1rem;
    min-width: 40px;
}

.result-bar {
    height: 20px;
    background: var(--primary);
    border-radius: 4px;
    min-width: 4px;
    transition: width 0.3s ease;
}

.result-count {
    font-size: 0.9rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.result-names {
    font-size: 0.85rem;
    color: var(--text-muted);
    padding-left: 1.8rem;
}

/* Ready Check */
.ready-check {
    padding: 1rem 0;
}

.btn-ready {
    display: block;
    margin: 1.5rem auto;
    padding: 20px 48px;
    font-size: 1.4rem;
    font-weight: 700;
    background: var(--success);
    color: var(--btn-text);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    min-height: 64px;
    min-width: 200px;
}

.btn-ready:hover {
    background: #218838;
}

.ready-confirmed {
    color: var(--success);
    font-size: 1.3rem;
    margin: 1.5rem 0;
}

.ready-progress {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.ready-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.ready-item {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.95rem;
    background: var(--result-bg);
    color: var(--text-muted);
}

.ready-item.is-ready {
    background: var(--ready-bg);
    color: var(--success);
    font-weight: 600;
}

/* Understood Check */
.understood-check {
    padding: 1rem 0;
}

.understood-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 1.5rem 0;
}

.btn-understood {
    padding: 14px 24px;
    font-size: 1.1rem;
    font-weight: 600;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: var(--white);
    color: var(--text);
    cursor: pointer;
    min-height: 52px;
    min-width: 120px;
}

.btn-understood:hover {
    border-color: var(--primary);
}

.btn-understood.yes.selected {
    background: var(--ready-bg);
    border-color: var(--success);
    color: var(--success);
}

.btn-understood.no.selected {
    background: var(--connection-warn-bg);
    border-color: var(--warning);
    color: var(--confused-color);
}

.understood-results {
    text-align: left;
    margin-top: 1rem;
}

.understood-summary {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 700;
}

.understood-count {
    color: var(--success);
}

.confused-count {
    color: var(--confused-color);
}

.understood-group {
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

.understood-group.confused {
    color: var(--confused-color);
}

.understood-group.not-responded {
    color: var(--text-muted);
}

/* Header */
.header-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-coffee {
    font-size: 1.4rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    min-height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-coffee:hover {
    background: var(--highlight);
    border-radius: 6px;
}

/* SM Hand-off */
.sm-handoff {
    display: inline-block;
}

.select-handoff {
    padding: 8px 12px;
    border: 2px solid var(--border);
    border-radius: 6px;
    font-size: 0.9rem;
    min-height: 44px;
    background: var(--input-bg);
    color: var(--text);
    cursor: pointer;
}

/* Break Duration Setting */
.break-setting {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.sm-setting {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.sm-setting label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.btn-close-room {
    margin-top: 0.75rem;
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    border-radius: 6px;
    padding: 6px 16px;
    font-size: 0.85rem;
    cursor: pointer;
    align-self: flex-start;
}

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

.room-controls {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
}

.section-label {
    font-weight: 600;
    font-size: 0.9rem;
}

.close-room-confirm {
    margin-top: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--danger);
    font-weight: 600;
}

.btn-close-confirm-yes {
    background: var(--danger);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 6px 14px;
    font-size: 0.85rem;
    cursor: pointer;
}

.btn-close-confirm-yes:hover {
    opacity: 0.85;
}

.btn-close-confirm-no {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--text-muted);
    border-radius: 6px;
    padding: 6px 14px;
    font-size: 0.85rem;
    cursor: pointer;
}

.btn-close-confirm-no:hover {
    background: var(--text-muted);
    color: var(--bg);
}

.select-break {
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.85rem;
    background: var(--input-bg);
    color: var(--text);
}

/* Random Picker */
.picked-display {
    background: var(--white);
    border: 2px solid var(--primary);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.picked-display h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    color: var(--text-muted);
}

.picked-name {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

/* Coffee Break */
.coffee-overlay {
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 1rem;
}

.coffee-graphic {
    font-size: 5rem;
    margin-bottom: 1rem;
}

.coffee-overlay h2 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.coffee-timer {
    font-size: 3rem;
    font-weight: 700;
    font-family: monospace;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.coffee-fun-text {
    max-width: 500px;
    margin: 0 auto 1.5rem;
    padding: 1rem 1.5rem;
    background: var(--highlight);
    border-radius: 8px;
    font-size: 1rem;
    font-style: italic;
    line-height: 1.5;
    color: var(--text);
}

/* Coffee Vote */
.btn-coffee.voted {
    opacity: 0.5;
}

.coffee-vote-banner {
    background: var(--coffee-banner-bg);
    border: 2px solid var(--warning);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    text-align: center;
    margin-bottom: 1rem;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn-beg {
    padding: 6px 16px;
    font-size: 0.9rem;
    min-height: 36px;
}

.btn-deny-coffee {
    background: var(--danger);
    color: white;
    border: none;
    border-radius: 6px;
    min-height: 36px;
    padding: 6px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    margin-left: 0.25rem;
}

.btn-deny-coffee:hover {
    opacity: 0.85;
}

.coffee-vote-banner.coffee-denied {
    animation: coffee-implode 1s ease-in forwards;
    pointer-events: none;
}

@keyframes coffee-implode {
    0% {
        transform: translateX(0) scaleX(1) scaleY(1);
        opacity: 1;
    }
    8% {
        transform: translateX(-12px) scaleX(1) scaleY(1);
    }
    16% {
        transform: translateX(10px) scaleX(1) scaleY(1);
    }
    24% {
        transform: translateX(-8px) scaleX(1) scaleY(1);
    }
    32% {
        transform: translateX(6px) scaleX(1) scaleY(1);
    }
    40% {
        transform: translateX(0) scaleX(1) scaleY(1);
        opacity: 1;
    }
    60% {
        transform: scaleX(0.15) scaleY(1.1);
        opacity: 0.8;
    }
    75% {
        transform: scaleX(0.1) scaleY(0.1);
        opacity: 0.4;
        margin-bottom: 1rem;
    }
    100% {
        transform: scaleX(0) scaleY(0);
        opacity: 0;
        margin: 0;
        padding: 0;
        border-width: 0;
        height: 0;
        overflow: hidden;
    }
}

/* Connection Banner */
.connection-banner {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    text-align: center;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.connection-banner.warning {
    background: var(--connection-warn-bg);
    color: var(--confused-color);
    border: 1px solid var(--warning);
}

.connection-banner.error {
    background: var(--connection-err-bg);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.btn-link {
    background: none;
    border: none;
    color: var(--primary);
    text-decoration: underline;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0;
}

/* Claim SM */
.btn-claim-sm {
    margin-left: 0.75rem;
    padding: 4px 12px;
    font-size: 0.85rem;
    background: var(--primary);
    color: var(--btn-text);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    min-height: 32px;
}

.btn-claim-sm:hover {
    background: var(--primary-light);
}

/* Theme Toggle */
.theme-corner {
    display: flex;
    justify-content: flex-end;
    padding: 0.5rem 0;
}

.btn-theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px 8px;
    min-height: 36px;
    min-width: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-theme-toggle:hover {
    background: var(--highlight);
}

/* Blazor loading / error */
#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

.blazor-error-boundary {
    background: #b32121;
    padding: 1rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

.loading-progress {
    position: relative;
    display: block;
    width: 8rem;
    height: 8rem;
    margin: 20vh auto 1rem auto;
}

.loading-progress circle {
    fill: none;
    stroke: #e0e0e0;
    stroke-width: 0.6rem;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}

.loading-progress circle:last-child {
    stroke: #1b6ec2;
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

.loading-progress-text:after {
    content: var(--blazor-load-percentage-text, "Loading");
}