/* ============================================================
   FITAPP — Design System
   Palette: Graphite / Black
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
    /* Graphite / Black accent */
    --accent:           #18181b;
    --accent-hover:     #27272a;
    --accent-active:    #3f3f46;
    --accent-light:     #f4f4f5;
    --accent-border:    #d4d4d8;

    /* Surface */
    --bg:       #f1f5f9;
    --bg-subtle:#e8edf5;
    --card:     #ffffff;
    --card-2:   #f8fafc;

    /* Text */
    --text:     #0f172a;
    --text-2:   #1e293b;
    --muted:    #64748b;
    --muted-2:  #94a3b8;

    /* Border */
    --border:   #e2e8f0;
    --border-2: #cbd5e1;

    /* Status */
    --ok:           #059669;
    --ok-light:     #ecfdf5;
    --ok-border:    #6ee7b7;
    --danger:       #dc2626;
    --danger-light: #fef2f2;
    --danger-border:#fca5a5;
    --warn:         #d97706;
    --warn-light:   #fffbeb;
    --warn-border:  #fcd34d;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgb(0 0 0 / .04);
    --shadow-sm: 0 1px 3px rgb(0 0 0 / .08), 0 1px 2px rgb(0 0 0 / .05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / .07), 0 2px 4px -2px rgb(0 0 0 / .05);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .08), 0 4px 6px -4px rgb(0 0 0 / .05);

    /* Radii */
    --radius-sm:  6px;
    --radius:     10px;
    --radius-md:  14px;
    --radius-lg:  18px;
    --radius-full: 9999px;

    /* Transitions */
    --transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 250ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Accent-button text (inverts in dark mode) */
    --btn-text: #ffffff;
}

body.theme-dark {
    --accent:           #e4e4e7;
    --accent-hover:     #f4f4f5;
    --accent-active:    #ffffff;
    --accent-light:     #27272a;
    --accent-border:    #52525b;

    --bg:       #0c0e1a;
    --bg-subtle:#131525;
    --card:     #161929;
    --card-2:   #1d2035;

    --text:     #f1f5f9;
    --text-2:   #e2e8f0;
    --muted:    #94a3b8;
    --muted-2:  #64748b;

    --border:   #252840;
    --border-2: #2e3354;

    --ok:           #34d399;
    --ok-light:     #022c22;
    --ok-border:    #065f46;
    --danger:       #f87171;
    --danger-light: #3b0a0a;
    --danger-border:#7f1d1d;
    --warn:         #fbbf24;
    --warn-light:   #2d1a00;
    --warn-border:  #78350f;

    --shadow-xs: 0 1px 2px rgb(0 0 0 / .3);
    --shadow-sm: 0 1px 3px rgb(0 0 0 / .4), 0 1px 2px rgb(0 0 0 / .3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / .4), 0 2px 4px -2px rgb(0 0 0 / .3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .5), 0 4px 6px -4px rgb(0 0 0 / .4);

    --btn-text: #18181b;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

/* Visible focus ring for keyboard users (hidden for mouse via :focus-visible) */
:focus { outline: none; }
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Skip to main content — visible only on focus */
.skip-link {
    position: absolute;
    top: -100%;
    left: 12px;
    z-index: 9999;
    background: var(--accent);
    color: var(--btn-text);
    padding: 10px 18px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: top .1s;
}
.skip-link:focus-visible { top: 12px; }

body {
    margin: 0;
    background-color: var(--bg);
    background-image: none;
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.theme-dark {
    background-image: none;
}

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 { font-size: 1.35rem; margin-bottom: 0; }
h2 { font-size: 1.1rem; margin-bottom: 12px; }
h3 { font-size: 1rem; margin-bottom: 10px; }
h4 { font-size: 0.875rem; }
h5 { font-size: 0.875rem; }

p { margin: 0 0 8px 0; }
p:last-child { margin-bottom: 0; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Layout ---------- */
.app {
    max-width: 1080px;
    margin: 0 auto;
    padding: 12px 14px;
}

/* ---------- Topbar ---------- */
.topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 4px;
    margin-bottom: 16px;
    height: 52px;
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text);
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.03em;
    flex-shrink: 0;
}

.topbar-brand:hover { text-decoration: none; }

.topbar-logo {
    font-size: 1.4rem;
    line-height: 1;
}

.topbar-name { display: block; }

.topbar-nav {
    display: none; /* hidden on mobile */
    align-items: center;
    gap: 2px;
    margin-left: auto;
}

.topbar-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    text-decoration: none;
    transition: color var(--transition), background var(--transition);
}

.topbar-nav-link:hover {
    color: var(--text);
    background: var(--bg-subtle);
    text-decoration: none;
}

.topbar-nav-link.active {
    color: var(--accent);
    background: var(--accent-light);
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--accent);
    color: var(--btn-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

/* ---------- Bottom nav (mobile only) ---------- */
.bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--card);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 16px rgb(0 0 0 / .08);
    padding-bottom: env(safe-area-inset-bottom, 0px);
}

.bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 10px 4px;
    color: var(--muted);
    text-decoration: none;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.2px;
    transition: color var(--transition);
    min-height: 56px;
}

.bottom-nav-item:hover,
.bottom-nav-item.active {
    color: var(--accent);
    text-decoration: none;
}

body.theme-dark .bottom-nav {
    box-shadow: 0 -4px 16px rgb(0 0 0 / .4);
}

/* ---------- Card ---------- */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 14px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition);
}


/* ---------- Stack & Grid helpers ---------- */
.stack     { display: grid; gap: 10px; }
.is-hidden { display: none !important; }

/* ---------- Alerts ---------- */
.alert {
    padding: 12px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 10px;
    border: 1px solid transparent;
}
.alert.error {
    background: var(--danger-light);
    color: var(--danger);
    border-color: var(--danger-border);
}
.alert.success {
    background: var(--ok-light);
    color: var(--ok);
    border-color: var(--ok-border);
}

/* ---------- Inline form validation ---------- */
input.is-invalid,
select.is-invalid,
textarea.is-invalid {
    border-color: var(--danger) !important;
    outline: none;
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--danger) 20%, transparent);
}

.field-error {
    display: block;
    font-size: 12px;
    color: var(--danger);
    margin-top: 3px;
    min-height: 1em;
}

/* ---------- Buttons ---------- */
button, .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 10px 16px;
    min-height: 40px;
    font: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), box-shadow var(--transition), transform var(--transition), opacity var(--transition);
    background: var(--accent);
    color: var(--btn-text);
}

button:hover:not(:disabled) {
    background: var(--accent-hover);
    box-shadow: var(--shadow-md);
}

button:active:not(:disabled) {
    transform: translateY(1px);
    box-shadow: var(--shadow-xs);
}

button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* ---------- Inputs ---------- */
input, select, textarea {
    width: 100%;
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    padding: 10px 12px;
    min-height: 40px;
    font: inherit;
    font-size: 13px;
    background: var(--card);
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}

input::placeholder, textarea::placeholder { color: var(--muted-2); }

label {
    display: grid;
    gap: 5px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-2);
}

/* ---------- Exercises Grid ---------- */
.exercises-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

/* ---------- Exercise Card ---------- */
.exercise {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--card);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
    transition: box-shadow var(--transition), border-color var(--transition);
}

.exercise:hover {
    box-shadow: var(--shadow-md);
}

.exercise.blocked {
    opacity: 0.48;
}

.exercise.done {
    border-color: var(--ok-border);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--ok) 20%, transparent), var(--shadow-xs);
}

body.theme-dark .exercise.done {
    border-color: var(--ok-border);
}

.exercise-collapsible > summary {
    list-style: none;
    cursor: pointer;
}
.exercise-collapsible > summary::-webkit-details-marker { display: none; }

.exercise-summary {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
}

.exercise-summary-media {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-subtle);
    box-shadow: var(--shadow-xs);
}

.exercise-summary-media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.exercise-summary-main { min-width: 0; }

.exercise-content {
    border-top: 1px solid var(--border);
    padding: 12px;
    display: grid;
    gap: 10px;
    background: var(--card-2);
}

/* ---------- Blocked warning ---------- */
.blocked-warning {
    border: 1px solid var(--warn-border);
    background: var(--warn-light);
    border-radius: var(--radius);
    padding: 10px;
    display: grid;
    gap: 8px;
}

body.theme-dark .blocked-warning {
    border-color: var(--warn-border);
    background: var(--warn-light);
}

.blocked-force-btn {
    background: var(--warn);
    border-color: transparent;
    color: #1a0a00;
}

.blocked-force-btn:hover:not(:disabled) {
    background: #b45309;
}

/* ---------- Exercise typography ---------- */
.exercise-title {
    font-weight: 700;
    margin: 0;
    font-size: 14px;
    text-align: left;
    line-height: 1.15;
    color: var(--text);
}

.exercise-title-main { display: block; }

.exercise-title-sub {
    display: block;
    font-size: 11px;
    line-height: 1.2;
    font-weight: 500;
    color: var(--muted);
    margin-top: 1px;
}

.exercise-icon-top {
    width: 110px;
    height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 6px auto;
}

.exercise-icon-top img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    border-radius: var(--radius);
}

/* ---------- Tags / Badges ---------- */
.exercise-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.3px;
    border: 1px solid transparent;
    vertical-align: middle;
    text-transform: uppercase;
}

.exercise-tag.principal {
    background: var(--accent-light);
    color: var(--accent);
    border-color: var(--accent-border);
}

body.theme-dark .exercise-tag.principal {
    background: var(--accent-light);
    color: var(--accent-hover);
    border-color: var(--accent-border);
}

.exercise-tag.secondary {
    background: var(--ok-light);
    color: var(--ok);
    border-color: var(--ok-border);
}

body.theme-dark .exercise-tag.secondary {
    background: var(--ok-light);
    color: var(--ok);
    border-color: var(--ok-border);
}

/* ---------- Exercise check ---------- */
.exercise-check {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 500;
}

.exercise-check input { width: auto; }

/* ---------- Exercise fields ---------- */
.exercise-fields { display: grid; gap: 8px; }
.exercise-fields.is-hidden,
.blocked-warning.is-hidden { display: none !important; }

.field-title {
    margin: 0 0 5px 0;
    font-size: 11px;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ---------- Variant checklist ---------- */
.variant-checklist {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px;
    display: grid;
    gap: 5px;
    max-height: 132px;
    overflow: auto;
    background: var(--bg-subtle);
    scrollbar-width: thin;
    scrollbar-color: var(--border-2) transparent;
}

.variant-check-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 500;
    padding: 2px 0;
}

.variant-check-item input { width: auto; margin: 0; }

/* ---------- Inline grid & steppers ---------- */
.exercise-inline-grid { display: grid; grid-template-columns: 1fr; gap: 8px; }

.stepper-field { display: grid; gap: 5px; font-size: 12px; }

.other-exercises-row { display: grid; gap: 4px; margin-bottom: 6px; }
.total-exercises-line { margin-top: 6px; font-size: 12px; color: var(--muted); }

.stepper {
    display: grid;
    grid-template-columns: 38px 1fr 38px;
    align-items: center;
    gap: 6px;
}

.stepper input { text-align: center; font-weight: 700; }

.mobile-number-picker { display: none; }

.stepper-btn {
    width: auto;
    padding: 7px 0;
    background: var(--card);
    color: var(--text);
    border: 1px solid var(--border-2);
    font-weight: 700;
    font-size: 16px;
    border-radius: var(--radius);
}

.stepper-btn:hover:not(:disabled) {
    background: var(--bg-subtle);
    border-color: var(--accent);
    box-shadow: none;
}

/* ---------- Save day button ---------- */
.save-day-btn {
    min-height: 64px;
    font-weight: 800;
    line-height: 1;
    border-radius: var(--radius-lg);
    background: var(--accent);
    box-shadow: var(--shadow-md);
}

.save-day-btn:hover:not(:disabled) {
    background: var(--accent-hover);
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

/* ---------- Custom exercises ---------- */
.custom-day-card { margin-top: 10px; }

.custom-rows { display: grid; gap: 10px; margin-top: 10px; }

.custom-row {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    display: grid;
    gap: 8px;
    background: var(--card-2);
}

.custom-inline-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.custom-add-btn,
.custom-remove-btn {
    width: auto;
    padding: 8px 14px;
}

.custom-remove-btn {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

.custom-remove-btn:hover:not(:disabled) {
    background: var(--danger-light);
    box-shadow: none;
}

/* ---------- Logout button ---------- */
.logout-form button {
    width: auto;
    padding: 5px 12px;
    min-height: 32px;
    font-size: 13px;
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--border-2);
}

.logout-form button:hover {
    background: var(--bg-subtle);
    color: var(--text);
    box-shadow: none;
}

/* ---------- Status banners ---------- */
.saved-day-banner {
    border: 1px solid var(--accent-border);
    background: var(--accent-light);
    color: color-mix(in srgb, var(--accent) 80%, var(--text));
    border-radius: var(--radius);
    padding: 12px 14px;
    margin-bottom: 12px;
    font-size: 13px;
}

body.theme-dark .saved-day-banner {
    border-color: var(--accent-border);
    background: var(--accent-light);
    color: var(--accent-hover);
}

.saved-day-banner p { margin: 0 0 6px 0; }
.saved-day-banner p:last-child { margin-bottom: 0; }
.saved-day-banner a { color: var(--accent); font-weight: 700; }

.tomorrow-summary {
    border: 1px solid var(--border);
    background: var(--card-2);
    color: var(--text-2);
    border-radius: var(--radius);
    padding: 14px;
    margin-top: 12px;
    font-size: 13px;
    display: grid;
    gap: 6px;
}

.tomorrow-summary p { margin: 0; font-size: 13px; line-height: 1.5; }

/* ---------- Day block ---------- */
.day-block {
    border-top: 1px solid var(--border);
    padding-top: 12px;
    margin-top: 12px;
}

/* ---------- Inline form ---------- */
.inline-form { display: flex; gap: 8px; }
.inline-form input { flex: 1; }
.inline-form button { width: auto; min-width: 80px; }

/* ---------- Text helpers ---------- */
.subtitle { color: var(--text-2); font-size: 14px; }
.mini { color: var(--text-2); margin: 0; font-size: 14px; }

/* ---------- Month nav ---------- */
.month-nav { display: flex; gap: 8px; margin-bottom: 10px; }

.month-nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border-2);
    background: var(--card);
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    transition: background var(--transition), border-color var(--transition);
    box-shadow: var(--shadow-xs);
}

.month-nav-link:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--btn-text);
    text-decoration: none;
}

/* ---------- Compare grid ---------- */
.compare-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.compare-col {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    background: var(--card-2);
}

/* ---------- Progress bars ---------- */
.bar-row { display: grid; gap: 5px; margin-bottom: 10px; font-size: 12px; }

.bar {
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--bg-subtle);
    overflow: hidden;
}

body.theme-dark .bar { background: #1e2240; }

.fill { height: 100%; width: var(--bar-width, 0%); border-radius: var(--radius-full); transition: width 600ms cubic-bezier(0.4, 0, 0.2, 1); }

.fill.current  { background: var(--accent); }
.fill.previous { background: var(--muted-2); }

/* ---------- Compare sub-rows ---------- */
.exercise-compare-row {
    border-top: 1px dashed var(--border);
    padding-top: 10px;
    margin-top: 10px;
}

.exercise-compare-row p { margin: 0 0 6px 0; font-size: 12px; }
.dual-bar { display: grid; gap: 5px; }

/* ---------- Calendar ---------- */
.calendar-head {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 4px;
    margin-bottom: 6px;
    font-size: 11px;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calendar-head span { text-align: center; }

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 4px;
}

.calendar-day {
    min-height: 90px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 6px;
    background: var(--card-2);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.calendar-day.empty {
    border: 1px dashed var(--border);
    background: transparent;
}

body.theme-dark .calendar-day.empty {
    border-color: var(--border);
    background: transparent;
}

.calendar-day.no-data {
    background: var(--danger-light);
    border-color: var(--danger-border);
}

body.theme-dark .calendar-day.no-data {
    background: var(--danger-light);
    border-color: var(--danger-border);
}

.calendar-day.future-no-data {
    background: var(--bg-subtle);
    border-color: var(--border);
    opacity: 0.6;
}

body.theme-dark .calendar-day.future-no-data {
    background: var(--card-2);
    border-color: var(--border);
}

.calendar-day.selected {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.calendar-day.today {
    border-color: var(--accent);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent);
}

.calendar-day h4 {
    margin: 0 0 6px 0;
    font-size: clamp(1.3rem, 3.5vw, 1.75rem);
    line-height: 1;
    color: var(--text-2);
}

.calendar-day-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    margin-bottom: 4px;
}

.calendar-day .no-record-inline {
    margin: 0;
    font-size: 11px;
    white-space: nowrap;
    color: var(--muted);
}

.calendar-day ul {
    margin: 0;
    padding-left: 0;
    font-size: 11px;
    display: grid;
    gap: 5px;
    list-style: none;
}

.calendar-day li,
.day-detail-box li { line-height: 1.35; }

.calendar-group-block + .calendar-group-block { margin-top: 8px; }
.calendar-group-items { display: grid; gap: 5px; }

.calendar-group-item + .calendar-group-item {
    border-top: 1px dashed var(--border);
    padding-top: 5px;
}

.calendar-item-name,
.calendar-item-variants,
.calendar-item-meta,
.calendar-item-notes { display: block; }

.calendar-item-variants { margin-top: 2px; }
.calendar-item-meta    { margin-top: 4px; }
.calendar-item-notes   { margin-top: 4px; }

.calendar-pill-short       { display: none; }
.calendar-group-zones-count{ display: none; }

.calendar-day li .exercise-tag,
.day-detail-box li .exercise-tag {
    display: block;
    width: fit-content;
    margin: 0 0 5px 0;
}

/* ---------- Today badge ---------- */
.today-badge {
    display: inline-block;
    margin-left: 6px;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    background: var(--accent-light);
    color: var(--accent);
    border: 1px solid var(--accent-border);
    vertical-align: middle;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

body.theme-dark .today-badge {
    background: var(--accent-light);
    color: var(--accent-hover);
    border-color: var(--accent-border);
}

/* ---------- Stats view tabs ---------- */
.stats-view-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    margin-bottom: 12px;
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 4px;
}

.stats-view-tab {
    border: 1px solid transparent;
    background: transparent;
    color: var(--muted);
    border-radius: var(--radius-sm);
    padding: 7px 12px;
    font-weight: 600;
    transition: all var(--transition);
}

.stats-view-tab:hover:not(.active) {
    background: var(--card);
    color: var(--text);
    box-shadow: none;
}

.stats-view-tab.active {
    background: var(--accent);
    border-color: transparent;
    color: var(--btn-text);
    box-shadow: var(--shadow-sm);
}

.stats-view-panel {
    margin-top: 4px;
    opacity: 0;
    transition: opacity .2s ease;
    pointer-events: none;
}

.stats-view-panel.active {
    opacity: 1;
    pointer-events: auto;
}

/* ---------- Daily timeline ---------- */
.daily-timeline      { display: grid; gap: 12px; }
.daily-timeline-list { display: grid; gap: 12px; }

.daily-day-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px;
    background: var(--card);
    box-shadow: var(--shadow-xs);
}

.daily-day-card.today {
    border-color: var(--accent-border);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 20%, transparent), var(--shadow-sm);
}

.daily-day-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.daily-day-head h5 { margin: 0; font-size: 17px; letter-spacing: -0.02em; }

.daily-day-groups { display: grid; gap: 8px; }

.daily-group-block {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px;
    background: var(--card-2);
}

.daily-group-count {
    display: inline-block;
    margin-left: 8px;
    font-size: 11px;
    color: var(--muted);
    font-weight: 700;
    background: var(--bg-subtle);
    border-radius: var(--radius-full);
    padding: 1px 6px;
    border: 1px solid var(--border);
}

.daily-group-items { margin-top: 8px; display: grid; gap: 7px; }

.daily-group-item + .daily-group-item {
    border-top: 1px dashed var(--border);
    padding-top: 7px;
}

.daily-load-more-btn { width: 100%; }
.daily-timeline-status { margin: 0; text-align: center; color: var(--muted); font-size: 12px; }

/* ---------- Cycles ---------- */
.cycles-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.cycle-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px;
    background: var(--card);
    box-shadow: var(--shadow-xs);
    display: grid;
    gap: 8px;
}

.cycle-card p { margin: 0; font-size: 13px; }

.cycle-date {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--muted);
}

/* ---------- Suggestions ---------- */
.suggestions-card { cursor: default; }
.suggestions-card > summary { list-style: none; cursor: pointer; }
.suggestions-card > summary::-webkit-details-marker { display: none; }

.suggestions-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    user-select: none;
}

.suggestions-toggle-icon {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
    transition: transform var(--transition), background var(--transition);
}

.suggestions-toggle-icon::before { content: '›'; font-weight: 700; line-height: 1; }

.suggestions-card[open] .suggestions-toggle-icon {
    transform: rotate(90deg);
    background: var(--accent-light);
    border-color: var(--accent-border);
}

.suggestions-card[open] > summary { margin-bottom: 14px; }


.suggestions-kpi-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 16px;
}

.suggestions-kpi {
    background: var(--bg-subtle);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 12px;
    text-align: center;
}

.suggestions-kpi-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--accent);
    line-height: 1;
}

.suggestions-kpi-label {
    display: block;
    font-size: 11px;
    color: var(--muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-top: 5px;
}

.suggestions-section {
    padding-top: 14px;
    margin-top: 14px;
    border-top: 1px solid var(--border);
}

.suggestions-section-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--muted);
    margin: 0 0 8px 0;
}

.suggestions-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.suggestion-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    border-radius: var(--radius-full);
    background: var(--accent-light);
    color: var(--accent);
    border: 1px solid var(--accent-border);
    font-size: 12px;
    font-weight: 600;
}

.suggestion-chip--secondary {
    background: var(--bg-subtle);
    color: var(--muted);
    border-color: var(--border-2);
}

.suggestion-chip--done {
    background: var(--ok-light);
    color: var(--ok);
    border-color: var(--ok-border);
}

.suggestions-section--warn .suggestions-section-label { color: var(--warn); }

.suggestions-alert-list {
    margin: 0;
    padding-left: 16px;
    display: grid;
    gap: 5px;
    font-size: 12px;
    color: var(--warn);
}

/* ---------- Day detail box ---------- */
.day-detail-box {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    background: var(--card-2);
    margin-bottom: 12px;
    box-shadow: var(--shadow-xs);
}

.day-detail-box ul {
    margin: 0;
    padding-left: 16px;
    display: grid;
    gap: 6px;
}

.calendar-day-link {
    color: inherit;
    text-decoration: none;
    display: inline-block;
    width: 100%;
}

.day-edit-link {
    display: inline-block;
    padding: 5px 10px;
    border-radius: var(--radius);
    background: var(--accent);
    color: var(--btn-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 11px;
    transition: background var(--transition);
}

.day-edit-link:hover {
    background: var(--accent-hover);
    color: var(--btn-text);
    text-decoration: none;
}

/* ---------- Footer ---------- */
.footer-lang {
    margin-top: 16px;
    padding: 12px 2px 0 2px;
    border-top: 1px solid var(--border);
}

.footer-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.theme-toggle {
    width: auto;
    min-width: 130px;
    padding: 7px 14px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-2);
    background: var(--card);
    color: var(--text);
    font-size: 12px;
    font-weight: 600;
    box-shadow: var(--shadow-xs);
}

.theme-toggle:hover {
    background: var(--bg-subtle);
    box-shadow: var(--shadow-sm);
}

.lang-flags {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.flag-link {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    text-decoration: none;
    background: var(--card);
    border: 1px solid var(--border-2);
    box-shadow: var(--shadow-xs);
    transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}

.flag-link:hover {
    transform: scale(1.08);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

.flag-link.active {
    box-shadow: 0 0 0 2px var(--accent), var(--shadow-sm);
    border-color: var(--accent);
}

/* ---------- Auth screens ---------- */
.guest-app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0;
    padding: 16px;
}

.guest-app .topbar {
    width: min(88vw, 480px);
    margin-bottom: 0;
}

.auth {
    width: min(88vw, 480px);
}

.auth-hero {
    width: calc(100% + 32px);
    margin: -16px 0 16px -16px;
}

.auth-hero img {
    width: 100%;
    height: 190px;
    display: block;
    object-fit: cover;
    object-position: center 30%;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.login-btn {
    font-weight: 800;
    min-height: 52px;
    background: var(--accent);
    color: var(--btn-text);
}

.login-btn:hover:not(:disabled) {
    background: var(--accent-hover);
}

.auth-switch {
    margin: 12px 0 0 0;
    font-size: 13px;
    color: var(--muted);
    text-align: center;
}

.auth-switch a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.auth-switch a:hover { text-decoration: underline; }

/* ---------- Responsive ---------- */
@media (min-width: 640px) {
    .app { padding: 16px 20px; }
    .topbar-nav { display: flex; }
    .topbar-user { margin-left: 0; }
    .bottom-nav { display: none; }
    .app { padding-bottom: 16px; } /* remove extra bottom padding on desktop */

    .exercises-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }

    .exercise-summary {
        grid-template-columns: 58px minmax(0, 1fr) auto;
        gap: 10px;
    }

    .exercise-summary-media { width: 58px; height: 58px; }

    .exercise-inline-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .compare-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .cycles-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 980px) {
    .exercises-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .compare-grid,
    .cycles-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
    .app { padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px)); }
    .topbar-name { display: none; } /* hide app name on small screens, logo emoji stays */

    .exercise-summary { grid-template-columns: 52px minmax(0, 1fr); }
    .exercise-summary .exercise-tag { grid-column: 1 / -1; justify-self: start; }
    .exercise-summary-media { width: 52px; height: 52px; }
    .exercise-title { font-size: 13px; }

    .lang-flags { justify-content: flex-start; }
    .footer-controls { flex-direction: column; align-items: flex-start; gap: 10px; }

    .tomorrow-summary p { font-size: 13px; }

    .stepper.has-mobile-picker { grid-template-columns: 1fr; }
    .stepper.has-mobile-picker .stepper-btn,
    .stepper.has-mobile-picker input[type="number"] { display: none; }
    .stepper.has-mobile-picker .mobile-number-picker {
        display: block;
        min-height: 54px;
        padding: 10px 12px;
        font-size: 22px;
        line-height: 1.1;
        font-weight: 700;
        text-align: center;
        border-radius: var(--radius-md);
    }

    /* Month calendar compact */
    .stats-view-panel[data-stats-view-panel="month"] .calendar-day {
        min-height: 70px;
        padding: 4px;
    }
    .stats-view-panel[data-stats-view-panel="month"] .calendar-day h4 {
        margin: 0 0 4px 0;
        text-align: center;
        font-size: 1.1rem;
    }
    .stats-view-panel[data-stats-view-panel="month"] .calendar-day-link { text-align: center; }
    .stats-view-panel[data-stats-view-panel="month"] .calendar-day-head {
        justify-content: center;
        margin-bottom: 0;
    }
    .stats-view-panel[data-stats-view-panel="month"] .calendar-day .no-record-inline { display: none; }
    .stats-view-panel[data-stats-view-panel="month"] .calendar-day ul { gap: 3px; }
    .stats-view-panel[data-stats-view-panel="month"] .calendar-day .calendar-group-block {
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        margin: 0;
    }
    .stats-view-panel[data-stats-view-panel="month"] .calendar-day .exercise-tag { margin: 0; }
    .stats-view-panel[data-stats-view-panel="month"] .calendar-day .calendar-group-items { display: none; }
    .stats-view-panel[data-stats-view-panel="month"] .calendar-day .calendar-pill-full  { display: none; }
    .stats-view-panel[data-stats-view-panel="month"] .calendar-day .calendar-pill-short { display: inline; }
    .stats-view-panel[data-stats-view-panel="month"] .calendar-day .calendar-group-zones-count {
        display: block;
        font-size: 11px;
        line-height: 1;
        color: var(--muted);
        font-weight: 700;
        margin-top: 2px;
    }

    .custom-inline-grid { grid-template-columns: 1fr; }
}

/* ---------- Exercise done checkmark ---------- */
.exercise.done .exercise-summary::after {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: var(--radius-full);
    background: var(--ok);
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    flex-shrink: 0;
    margin-left: auto;
}

/* ---------- Footer ---------- */
.footer-lang {
    margin-top: 20px;
    padding: 14px 0 0 0;
    border-top: 1px solid var(--border);
}

.footer-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
}

.footer-inner {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ---------- Empty states ---------- */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 32px 16px;
    text-align: center;
    color: var(--muted);
}

.cycles-empty { grid-column: 1 / -1; }

.empty-state-icon {
    font-size: 2.5rem;
    line-height: 1;
    opacity: 0.5;
}

.empty-state p {
    margin: 0;
    font-size: 13px;
    max-width: 260px;
    line-height: 1.5;
}

/* ---------- Skeleton loader ---------- */
@keyframes skeleton-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.4; }
}

.skeleton-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px;
    background: var(--card);
    display: grid;
    gap: 10px;
    animation: skeleton-pulse 1.6s ease-in-out infinite;
}

.skeleton-line {
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--bg-subtle);
}

.skeleton-line.short  { width: 40%; }
.skeleton-line.medium { width: 65%; }
.skeleton-line.full   { width: 100%; }
.skeleton-line.tall   { height: 16px; }

/* ---------- PWA install hint ---------- */
.pwa-hint {
    display: none;
}

/* ---------- Responsive updates ---------- */
@media (max-width: 700px) {
    .footer-lang { padding-bottom: 8px; }
}

@media (max-width: 900px) {
    .auth,
    .guest-app .topbar { width: 92vw; }
}

/* ---------- iOS install banner ---------- */
.ios-install-banner {
    position: fixed;
    bottom: calc(60px + env(safe-area-inset-bottom));
    left: 12px;
    right: 12px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 4px 24px rgba(0,0,0,.18);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    z-index: 200;
    animation: slide-up .3s ease;
}

.ios-install-banner[hidden] { display: none; }

.ios-install-icon { font-size: 1.6rem; flex-shrink: 0; }

.ios-install-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

.ios-install-text strong { font-size: 14px; color: var(--text); }
.ios-install-text span   { font-size: 13px; color: var(--text-2); }
.ios-share-icon          { font-style: normal; }

.ios-install-close {
    background: var(--card-2);
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    min-height: 28px;
    font-size: 13px;
    color: var(--muted);
    cursor: pointer;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

@keyframes slide-up {
    from { transform: translateY(20px); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}