:root {
    --bg: #f4efe2;
    --surface: #fff9ef;
    --surface-strong: #fffef8;
    --ink: #1f2b21;
    --muted: #6a7466;
    --line: rgba(53, 71, 53, 0.14);
    --accent: #c56b2d;
    --accent-dark: #85451d;
    --accent-soft: rgba(197, 107, 45, 0.12);
    --green: #2f7d57;
    --green-soft: rgba(47, 125, 87, 0.12);
    --blue: #286f94;
    --blue-soft: rgba(40, 111, 148, 0.12);
    --danger: #a33d32;
    --danger-soft: rgba(163, 61, 50, 0.12);
    --shadow: 0 18px 45px rgba(48, 37, 16, 0.12);
    --radius-xl: 28px;
    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 10px;
    --font: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font);
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(197, 107, 45, 0.14), transparent 24%),
        radial-gradient(circle at top right, rgba(47, 125, 87, 0.12), transparent 20%),
        linear-gradient(180deg, #f8f2e5 0%, var(--bg) 55%, #efe6d4 100%);
}

button,
input,
select {
    font: inherit;
}

button {
    -webkit-appearance: none;
    appearance: none;
}

.shell,
.login-shell {
    width: min(1320px, calc(100vw - 2rem));
    margin: 0 auto;
    padding: 2rem 0 4rem;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
    gap: 1.5rem;
    align-items: start;
    margin-bottom: 1.5rem;
}

.hero-actions {
    display: grid;
    gap: 1rem;
}

.eyebrow {
    margin: 0 0 0.5rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-size: 0.8rem;
    color: var(--accent-dark);
}

h1,
h2,
h3,
p {
    margin: 0;
}

h1 {
    font-size: clamp(2.25rem, 4vw, 3.6rem);
    line-height: 0.95;
    max-width: 13ch;
}

h2 {
    font-size: 1.15rem;
}

.hero-copy,
.board-hint,
.phase-subtitle,
.challenge-copy p,
.progress-copy,
.panel-copy,
.empty-copy {
    color: var(--muted);
}

.hero-copy {
    max-width: 62ch;
    margin-top: 0.9rem;
    line-height: 1.6;
}

.panel,
.phase-card,
.login-panel {
    border: 1px solid var(--line);
    background: rgba(255, 252, 244, 0.9);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.panel,
.login-panel {
    padding: 1.25rem;
}

.compact-form,
.stats-panel,
.people-form,
.challenge-form,
.type-field {
    display: grid;
    gap: 0.9rem;
}

.panel-head {
    display: grid;
    gap: 0.35rem;
}

label {
    display: grid;
    gap: 0.45rem;
    color: var(--muted);
    font-size: 0.95rem;
}

input[type="text"],
input[type="password"],
select {
    width: 100%;
    padding: 0.85rem 0.95rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(53, 71, 53, 0.18);
    background: var(--surface-strong);
    color: var(--ink);
}

input:focus,
select:focus {
    outline: 2px solid rgba(197, 107, 45, 0.2);
    border-color: rgba(197, 107, 45, 0.55);
}

.primary-btn,
.secondary-btn,
.danger-btn,
.ghost-danger-btn {
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

.primary-btn:hover,
.secondary-btn:hover,
.danger-btn:hover,
.ghost-danger-btn:hover,
.move-btn:hover {
    transform: translateY(-1px);
}

.primary-btn {
    padding: 0.9rem 1.2rem;
    background: linear-gradient(135deg, var(--accent) 0%, #d48e47 100%);
    color: #fff8f1;
}

.secondary-btn,
.danger-btn,
.ghost-danger-btn {
    padding: 0.75rem 1rem;
}

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

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

.ghost-danger-btn {
    background: transparent;
    color: var(--danger);
    border: 1px solid rgba(163, 61, 50, 0.2);
}

.progress-meter {
    width: 100%;
    height: 0.9rem;
    border-radius: 999px;
    background: rgba(31, 43, 33, 0.08);
    overflow: hidden;
}

.progress-meter-fill {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--green) 0%, #62b17d 100%);
    transition: width 0.2s ease;
}

.people-list {
    display: grid;
    gap: 0.65rem;
}

.person-pill {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 0.95rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface);
}

.person-pill strong,
.person-pill span {
    display: block;
}

.person-pill span {
    color: var(--muted);
    font-size: 0.85rem;
}

.board {
    display: grid;
    gap: 1rem;
}

.bottom-controls {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.board-head {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: end;
}

.phase-list {
    display: grid;
    gap: 1rem;
}

.phase-card {
    overflow: hidden;
}

.phase-header {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 0.9rem;
    padding: 1rem 1.2rem;
}

.phase-toggle {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    width: 100%;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    text-align: left;
    cursor: pointer;
}

.phase-title-group {
    min-width: 0;
    display: grid;
    gap: 0.15rem;
}

.phase-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 1rem;
    display: grid;
    place-items: center;
    background: var(--accent-soft);
    font-size: 1.4rem;
}

.phase-title {
    display: block;
    font-size: 1.15rem;
    line-height: 1.2;
    overflow-wrap: anywhere;
}

.phase-badge {
    min-width: 7rem;
    text-align: center;
    padding: 0.65rem 0.9rem;
    border-radius: 999px;
    background: var(--green-soft);
    color: var(--green);
    font-weight: 700;
}

.phase-actions {
    display: flex;
    gap: 0.6rem;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.phase-body {
    display: none;
    padding: 0 1.2rem 1.2rem;
}

.phase-card.open .phase-body {
    display: grid;
    gap: 1rem;
}

.phase-edit-form {
    display: none;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.9rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid var(--line);
}

.phase-card.editing-phase .phase-edit-form {
    display: grid;
}

.phase-edit-actions {
    display: flex;
    gap: 0.6rem;
    align-items: end;
}

.challenge-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.9rem;
}

.challenge-list {
    display: grid;
    gap: 0.85rem;
}

.challenge-row {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(180px, 0.4fr) minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
}

.challenge-main {
    display: flex;
    gap: 0.8rem;
    align-items: start;
}

.challenge-copy {
    display: grid;
    gap: 0.3rem;
}

.challenge-copy-head {
    display: flex;
    gap: 0.6rem;
    align-items: center;
    flex-wrap: wrap;
}

.challenge-copy h3 {
    font-size: 1rem;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

.challenge-type-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.65rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
}

.challenge-type-badge.personal {
    color: var(--green);
    background: var(--green-soft);
}

.challenge-type-badge.group {
    color: var(--blue);
    background: var(--blue-soft);
}

.challenge-controls {
    display: grid;
}

.type-field > span,
.type-switch-label {
    font-size: 0.85rem;
    color: var(--muted);
}

.type-switch-field {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.type-switch-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0.5rem;
    border: 1px solid rgba(53, 71, 53, 0.16);
    border-radius: 999px;
    background: var(--surface-strong);
    cursor: pointer;
}

.type-switch-icon {
    font-size: 1rem;
    line-height: 1;
    opacity: 0.4;
    transition: opacity 0.2s ease;
}

.type-switch-track {
    width: 2.4rem;
    height: 1.45rem;
    padding: 0.15rem;
    border-radius: 999px;
    background: rgba(31, 43, 33, 0.12);
    display: flex;
    align-items: center;
}

.type-switch-thumb {
    width: 1.15rem;
    height: 1.15rem;
    border-radius: 50%;
    background: var(--green);
    transform: translateX(0);
    transition: transform 0.2s ease, background 0.2s ease;
}

.type-switch-btn.group .type-switch-thumb {
    transform: translateX(0.95rem);
    background: var(--blue);
}

.type-switch-btn.personal .single,
.type-switch-btn.group .multiple {
    opacity: 1;
}

.field-hint {
    font-size: 0.84rem;
    color: var(--muted);
}

.challenge-progress {
    min-width: 0;
}

.progress-pill-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.progress-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.55rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(53, 71, 53, 0.16);
    background: var(--surface-strong);
    color: var(--ink);
    font-size: 0.86rem;
}

.group-pill {
    background: rgba(40, 111, 148, 0.08);
    border-color: rgba(40, 111, 148, 0.18);
}

.progress-pill input[type="checkbox"] {
    width: 1.1rem;
    height: 1.1rem;
    accent-color: var(--green);
}

.group-pill input[type="checkbox"] {
    accent-color: var(--blue);
}

.challenge-action {
    display: flex;
    gap: 0.6rem;
    justify-content: flex-end;
}

.challenge-edit-form {
    display: none;
    grid-column: 1 / -1;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.9rem;
    padding-top: 0.35rem;
    border-top: 1px solid var(--line);
}

.challenge-row.editing .challenge-edit-form {
    display: grid;
}

.challenge-edit-actions {
    display: flex;
    gap: 0.6rem;
    align-items: end;
}

.move-controls {
    display: grid;
    gap: 0.35rem;
    flex-shrink: 0;
}

.move-btn {
    width: 2.2rem;
    height: 2.2rem;
    border: 1px solid rgba(53, 71, 53, 0.16);
    border-radius: 999px;
    background: var(--surface-strong);
    color: var(--ink);
    cursor: pointer;
    font-weight: 700;
    line-height: 1;
}

.login-body {
    display: grid;
    place-items: center;
    padding: 1rem;
}

.login-shell {
    width: min(520px, 100%);
}

.login-panel {
    display: grid;
    gap: 1rem;
    padding: 2rem;
}

.login-form {
    display: grid;
    gap: 1rem;
}

.error-banner {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    background: var(--danger-soft);
    color: var(--danger);
}

@media (max-width: 1100px) {
    .hero,
    .challenge-row,
    .bottom-controls {
        grid-template-columns: 1fr;
    }

    .phase-header {
        grid-template-columns: auto minmax(0, 1fr);
        align-items: start;
    }

    .phase-badge,
    .phase-actions {
        grid-column: 2;
        justify-self: start;
    }

    .challenge-action {
        justify-content: start;
    }

    .phase-edit-actions,
    .challenge-edit-actions {
        align-items: stretch;
        flex-wrap: wrap;
    }
}

@media (max-width: 720px) {
    .shell,
    .login-shell {
        width: min(100vw - 1rem, 100%);
        padding-top: 1rem;
    }

    .person-pill {
        flex-direction: column;
        align-items: start;
    }
}