:root {
    --color-primary: #6bbfa3;
    --color-primary-hover: #5eaf95;
    --color-primary-soft: #edf8f4;
    --color-background: #fbfcfb;
    --color-surface: #ffffff;
    --color-surface-soft: #f6f8f7;
    --color-text: #24313d;
    --color-text-soft: #708090;
    --color-text-muted: #94a3af;
    --color-border: #e6ece8;
    --color-warning: #f2c078;
    --color-danger: #e88a8a;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --shadow-soft: 0 2px 12px rgba(36, 49, 61, 0.04);
    --shadow-card: 0 12px 32px rgba(36, 49, 61, 0.06);
}

body {
    font-family: 'Inter', sans-serif;
    background: radial-gradient(ellipse at top left, #edf8f4 0%, var(--color-background) 60%);
    background-attachment: fixed;
    color: var(--color-text);
    min-height: 100vh;
}

/* ── Cards ── */

.app-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    padding: 1.25rem 1.5rem;
}

.app-card-lg {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 2rem 2.5rem;
}

/* ── Buttons ── */

.btn-app-primary {
    background-color: var(--color-primary);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    transition: background-color 0.15s ease;
}

.btn-app-primary:hover,
.btn-app-primary:focus {
    background-color: var(--color-primary-hover);
    color: #fff;
}

.btn-app-secondary {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.btn-app-secondary:hover,
.btn-app-secondary:focus {
    background-color: var(--color-surface-soft);
    border-color: var(--color-primary);
    color: var(--color-text);
}

.btn-app-ghost {
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-soft);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.15s ease, background-color 0.15s ease;
}

.btn-app-ghost:hover,
.btn-app-ghost:focus {
    background-color: var(--color-surface-soft);
    color: var(--color-text);
}

/* ── Badges ── */

.soft-badge {
    background-color: var(--color-primary-soft);
    border-radius: 999px;
    color: var(--color-primary-hover);
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.2rem 0.75rem;
}

.muted-badge {
    background-color: var(--color-surface-soft);
    border-radius: 999px;
    color: var(--color-text-muted);
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.2rem 0.75rem;
}

/* ── Task list item ── */

.task-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.9rem 1.25rem;
    transition: box-shadow 0.15s ease;
}

.task-item:hover {
    box-shadow: var(--shadow-soft);
}

/* ── Form controls ── */

.form-control,
.form-select {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(107, 191, 163, 0.18);
    outline: none;
}

/* ── Topbar ── */

.topbar {
    align-items: center;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    display: flex;
    gap: 1rem;
    padding: 0 1.5rem;
    height: 56px;
}

.brand-mark {
    align-items: center;
    background-color: var(--color-primary);
    border-radius: var(--radius-sm);
    color: #fff;
    display: flex;
    font-size: 1rem;
    height: 32px;
    justify-content: center;
    width: 32px;
}

/* ── App shell ── */

.app-shell {
    max-width: 860px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* ── Mobile ── */

@media (max-width: 575px) {
    .app-shell {
        margin: 1rem auto;
    }

    .btn-app-primary,
    .btn-app-secondary {
        width: 100%;
        text-align: center;
    }

    .app-card-lg {
        padding: 1.5rem 1.25rem;
    }

    .d-flex.align-items-center.justify-content-between {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
}

/* ── Onboarding ── */

.onboarding-shell {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem 1.25rem;
}

.onboarding-brand-mark {
    align-items: center;
    background-color: var(--color-primary);
    border-radius: var(--radius-md);
    color: #fff;
    display: inline-flex;
    font-size: 1.5rem;
    height: 56px;
    justify-content: center;
    width: 56px;
}

.onboarding-icon {
    font-size: 2rem;
}

.step-dots {
    display: flex;
    gap: 0.4rem;
    justify-content: center;
}

.step-dot {
    background-color: var(--color-border);
    border-radius: 999px;
    height: 6px;
    transition: background-color 0.2s ease, width 0.2s ease;
    width: 6px;
}

/* ── Recurrence selectors (period & day toggles) ── */

.btn-group .btn-outline-secondary {
    background: var(--color-surface);
    border-color: var(--color-border);
    border-radius: 0 !important;
    color: var(--color-text-soft);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.45rem 0.9rem;
    transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.btn-group .btn-outline-secondary:hover {
    background: var(--color-surface-soft);
    border-color: var(--color-border);
    color: var(--color-text);
}

.btn-group > :first-child .btn-outline-secondary,
.btn-group > .btn-outline-secondary:first-child {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm) !important;
}

.btn-group > :last-child .btn-outline-secondary,
.btn-group > .btn-outline-secondary:last-child {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0 !important;
}

.btn-check:checked + .btn-outline-secondary {
    background: var(--color-primary-soft);
    border-color: var(--color-primary);
    color: var(--color-primary-hover);
    font-weight: 600;
    z-index: 1;
}

.btn-check:focus + .btn-outline-secondary {
    box-shadow: 0 0 0 3px rgba(107, 191, 163, 0.18);
    outline: none;
    z-index: 2;
}

.step-dot.filled {
    background-color: var(--color-primary);
    width: 18px;
}

.step-panel {
    display: none;
    animation: stepFadeIn 0.25s ease;
}

.step-panel.active {
    display: block;
}

@keyframes stepFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chip {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    color: var(--color-text-soft);
    cursor: pointer;
    font-size: 0.83rem;
    font-weight: 500;
    padding: 0.3rem 0.9rem;
    transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.chip:hover {
    border-color: var(--color-primary);
    color: var(--color-text);
}

.chip.selected {
    background: var(--color-primary-soft);
    border-color: var(--color-primary);
    color: var(--color-primary-hover);
}

.onboarding-connect-btn {
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}