:root {
    color-scheme: light;
    --navy: #1f3a5f;
    --navy-hover: #294f7c;
    --surface: #ffffff;
    --background: #f3f6f9;
    --border: #d4dce5;
    --text: #17212b;
    --muted: #5e6b78;
    --success: #176b45;
    --success-bg: #e8f5ee;
    --danger: #a22b2b;
    --danger-bg: #fdecec;
    --shadow: 0 14px 36px rgba(31, 58, 95, 0.14);
}

* {
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

body {
    min-height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
    font-family: Arial, sans-serif;
    color: var(--text);
    background: var(--background);
}

header {
    padding: 20px clamp(16px, 4vw, 48px);
    text-align: center;
    color: white;
    background: var(--navy);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.16);
}

header h1 {
    margin: 0 0 14px;
}

header h1 a,
nav a {
    color: white;
    text-decoration: none;
}

header h1 a:hover,
nav a:hover {
    color: #e2e9f1;
}

nav {
    display: flex;
    justify-content: center;
    gap: 10px 28px;
    flex-wrap: wrap;
}

nav a {
    cursor: pointer;
    padding-bottom: 3px;
}

nav a[aria-current="page"],
nav a:hover {
    border-bottom: 2px solid white;
}

main {
    width: 100%;
    flex: 1;
}

.hero {
    width: min(960px, 100%);
    margin: 0 auto;
    padding: 64px 20px 24px;
    text-align: center;
}

.hero > h2 {
    margin: 0 0 12px;
    font-size: clamp(1.8rem, 5vw, 2.7rem);
}

.hero > p {
    max-width: 700px;
    margin: 0 auto 24px;
    color: var(--muted);
    line-height: 1.55;
}

.game-page {
    width: min(1100px, 100%);
    padding-top: 42px;
}

.container {
    max-width: 760px;
    margin: 0 auto;
}

.about-copy {
    text-align: left;
    line-height: 1.65;
}

.about-copy h2 {
    text-align: center;
}

button {
    border: 1px solid var(--navy);
    border-radius: 7px;
    padding: 10px 17px;
    color: white;
    background: var(--navy);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease, opacity 0.15s ease;
}

button:hover:not(:disabled) {
    background: var(--navy-hover);
}

button:active:not(:disabled) {
    transform: translateY(1px);
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

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

button.secondary-button:hover:not(:disabled) {
    background: #edf2f7;
}

button.danger-button {
    border-color: var(--danger);
    background: var(--danger);
}

button.danger-button:hover:not(:disabled) {
    background: #812020;
}

.button-group,
.large-modal-buttons,
.modal-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.button-group {
    margin-top: 26px;
}

.button-group button {
    min-width: 165px;
    padding: 14px 22px;
}

.current-game-card {
    width: min(420px, 100%);
    margin: 26px auto;
    padding: 20px;
    display: grid;
    justify-items: center;
    gap: 8px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.current-game-card[hidden] {
    display: none;
}

.current-game-card span,
.current-game-card small {
    color: var(--muted);
}

.current-game-card strong {
    font-size: 2rem;
    letter-spacing: 0.14em;
}

.current-game-card button {
    margin-top: 6px;
}

.join-game-form {
    margin: 28px auto 0;
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.join-game-form input {
    width: 230px;
    padding: 11px 14px;
    border: 1px solid #aeb9c5;
    border-radius: 7px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 1.25rem;
}

.page-message,
.modal-message {
    width: min(620px, 100%);
    margin: 16px auto;
    padding: 11px 14px;
    border-radius: 7px;
    color: var(--navy);
    background: #e8f0fa;
}

.page-message.error,
.modal-message.error {
    color: #7d1f1f;
    background: var(--danger-bg);
}

.page-message.success,
.modal-message.success {
    color: var(--success);
    background: var(--success-bg);
}

.game-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    margin-bottom: 12px;
}

.game-header p {
    margin: 0;
    color: var(--muted);
    font-size: 1rem;
}

.game-header strong {
    display: block;
    margin-top: 4px;
    color: var(--text);
    font-size: clamp(2rem, 7vw, 3rem);
    letter-spacing: 0.12em;
}

.settings-button,
.edit-button,
.delete-button {
    min-width: auto;
    border: 0;
    padding: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

.settings-button:hover:not(:disabled),
.edit-button:hover:not(:disabled),
.delete-button:hover:not(:disabled) {
    background: #e3eaf2;
}

.settings-button img,
.edit-button img,
.delete-button img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.stack-status {
    min-height: 24px;
    margin: 12px auto 18px;
    font-weight: 600;
}

.stack-status.balanced {
    color: var(--success);
}

.stack-status.unbalanced {
    color: var(--danger);
}

.invite-card {
    width: min(520px, 100%);
    margin: 0 auto 26px;
    padding: 14px 18px 18px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    box-shadow: 0 8px 24px rgba(31, 58, 95, 0.09);
}

.invite-card summary {
    color: var(--navy);
    font-weight: 700;
    cursor: pointer;
}

.invite-card p {
    margin: 14px auto;
    color: var(--muted);
    line-height: 1.45;
}

.qr-code {
    width: min(260px, 80vw);
    margin: 14px auto;
}

.qr-code svg {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--border);
}

.join-link {
    margin: 12px auto;
    display: block;
    color: var(--navy);
    font-size: 0.86rem;
    overflow-wrap: anywhere;
}

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

table {
    border-collapse: collapse;
}

#playerTable {
    width: min(820px, 100%);
    margin: 0 auto;
    border: 1px solid var(--border);
    background: white;
    box-shadow: var(--shadow);
}

#playerTable th,
#playerTable td {
    border-bottom: 1px solid var(--border);
    padding: 12px 14px;
    text-align: center;
}

#playerTable th {
    color: white;
    background: var(--navy);
}

#playerTable th:last-child,
#playerTable td:last-child {
    width: 58px;
}

.player-name-button {
    border: 0;
    padding: 3px;
    color: var(--navy);
    background: transparent;
    text-decoration: underline;
}

.player-name-button:hover:not(:disabled) {
    color: var(--navy-hover);
    background: transparent;
}

.role-badge {
    margin-left: 7px;
    padding: 2px 6px;
    display: inline-block;
    border-radius: 999px;
    color: #30532c;
    background: #e6f4e4;
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1.4;
    vertical-align: middle;
}

.role-badge.creator {
    color: #6b4614;
    background: #fff0c9;
}

.empty-table-message {
    padding: 28px !important;
    color: var(--muted);
}

.score-section {
    padding: 6px 20px 32px;
    text-align: center;
}

#scoreTable,
#removePlayerTable {
    width: 100%;
    margin: 16px 0 22px;
}

#scoreTable th,
#scoreTable td,
#removePlayerTable th,
#removePlayerTable td {
    padding: 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

#scoreTable th:last-child,
#scoreTable td:last-child,
#removePlayerTable th:last-child,
#removePlayerTable td:last-child {
    text-align: right;
}

.profit-positive {
    color: var(--success);
    font-weight: 700;
}

.profit-negative {
    color: var(--danger);
    font-weight: 700;
}

.modal {
    position: fixed;
    z-index: 1000;
    inset: 0;
    display: none;
    overflow-y: auto;
    padding: 28px 16px;
    background: rgba(8, 17, 28, 0.6);
}

.modal-content,
.large-modal-content {
    width: min(100%, 380px);
    margin: 4vh auto;
    padding: 24px;
    border-radius: 12px;
    text-align: center;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.large-modal-content {
    width: min(100%, 560px);
}

.modal-content h3,
.large-modal-content h3 {
    margin: 0 0 12px;
}

.modal-content > p,
.large-modal-content > p {
    color: var(--muted);
    line-height: 1.45;
}

.modal-content label {
    margin-top: 14px;
    display: block;
    text-align: left;
    font-weight: 600;
}

.modal-content input {
    width: 100%;
    margin-top: 6px;
    padding: 10px;
    border: 1px solid #aeb9c5;
    border-radius: 6px;
    font: inherit;
}

.modal-content input:disabled {
    color: var(--muted);
    background: #eef1f4;
    cursor: not-allowed;
}

.modal-content .checkbox-row {
    margin-top: 20px;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: #f7f9fb;
}

.modal-content .checkbox-row input {
    width: 20px;
    height: 20px;
    margin: 0;
    flex: 0 0 auto;
}

.permission-hint {
    margin: 0 0 14px;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.45;
}

.protected-label {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 600;
}

.modal-buttons,
.large-modal-buttons {
    margin-top: 22px;
}

.modal-content small {
    display: block;
    margin-top: 14px;
    color: var(--muted);
    font-style: italic;
}

.player-details dl {
    margin: 18px 0;
    text-align: left;
}

.player-details dl div {
    padding: 8px 0;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    border-bottom: 1px solid var(--border);
}

.player-details dt {
    color: var(--muted);
}

.player-details dd {
    margin: 0;
    font-weight: 600;
    text-align: right;
}

.settlement-page {
    width: min(980px, 100%);
    margin: 0 auto;
    padding: 52px 20px 24px;
}

.settlement-heading {
    text-align: center;
}

.settlement-heading h2 {
    margin: 6px 0 10px;
    font-size: clamp(2rem, 6vw, 3rem);
}

.settlement-heading > p:not(.page-message) {
    color: var(--muted);
}

.settlement-heading .eyebrow {
    margin: 0;
    color: var(--navy);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.settlement-panel {
    margin-top: 26px;
    padding: clamp(18px, 4vw, 30px);
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.settlement-panel h3 {
    margin: 0 0 16px;
    color: var(--navy);
    font-size: 1.4rem;
}

#finalScoreTable {
    width: 100%;
}

#finalScoreTable th,
#finalScoreTable td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--border);
    text-align: right;
}

#finalScoreTable th:first-child,
#finalScoreTable td:first-child {
    text-align: left;
}

.settlement-explanation {
    color: var(--muted);
    line-height: 1.5;
}

.personal-payments {
    display: grid;
    gap: 12px;
}

.payment-card {
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    border: 1px solid var(--border);
    border-left: 5px solid var(--navy);
    border-radius: 8px;
    background: #f8fafc;
}

.payment-card.payment-outgoing {
    border-left-color: var(--danger);
}

.payment-card.payment-incoming {
    border-left-color: var(--success);
}

.payment-card p {
    margin: 0;
    font-weight: 600;
}

.swish-button {
    padding: 10px 15px;
    flex: 0 0 auto;
    border-radius: 7px;
    color: white;
    background: #6514dd;
    font-weight: 700;
    text-decoration: none;
}

.swish-button:hover {
    background: #4f0fb2;
}

.no-payments {
    margin: 0;
    padding: 16px;
    border-radius: 8px;
    color: var(--success);
    background: var(--success-bg);
    font-weight: 600;
}

footer {
    margin-top: 46px;
    padding: 24px;
    color: var(--muted);
    text-align: center;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 560px) {
    header {
        padding: 16px 12px;
    }

    nav {
        gap: 9px 16px;
        font-size: 0.94rem;
    }

    .hero {
        padding-top: 42px;
    }

    .button-group {
        flex-direction: column;
        align-items: center;
    }

    .button-group button {
        width: min(100%, 300px);
    }

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

    .join-game-form input,
    .join-game-form button {
        width: min(100%, 300px);
    }

    #playerTable {
        min-width: 560px;
    }

    .modal {
        padding: 14px 10px;
    }

    .modal-content,
    .large-modal-content {
        margin: 2vh auto;
        padding: 20px 16px;
    }

    .large-modal-buttons {
        flex-direction: column;
    }

    .payment-card {
        align-items: stretch;
        flex-direction: column;
    }

    .swish-button {
        text-align: center;
    }
}