/* ============================================================================
   GymGenie design system
   Design tokens + Bootstrap 5.3 overrides. Slate neutrals with a teal accent.
   ============================================================================ */

:root {
    --gg-bg: #f6f7f9;
    --gg-surface: #ffffff;
    --gg-border: #e5e8ec;
    --gg-text: #16202b;
    --gg-text-secondary: #5b6673;
    --gg-text-faint: #8a94a1;
    --gg-accent: #0d9488;
    --gg-accent-strong: #0f766e;
    --gg-accent-deep: #115e59;
    --gg-accent-soft: #ccfbf1;
    --gg-accent-tint: #f0fdfa;
    --gg-radius: 0.75rem;
    --gg-radius-sm: 0.55rem;
    --gg-shadow-card: 0 1px 2px rgba(15, 23, 42, 0.05);

    /* Bootstrap theme overrides */
    --bs-body-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --bs-body-bg: var(--gg-bg);
    --bs-body-color: var(--gg-text);
    --bs-secondary-color: var(--gg-text-secondary);
    --bs-primary: var(--gg-accent);
    --bs-primary-rgb: 13, 148, 136;
    --bs-link-color: var(--gg-accent-strong);
    --bs-link-color-rgb: 15, 118, 110;
    --bs-link-hover-color: var(--gg-accent-deep);
    --bs-link-hover-color-rgb: 17, 94, 89;
    --bs-border-color: var(--gg-border);
    --bs-border-radius: var(--gg-radius-sm);
    --bs-focus-ring-color: rgba(13, 148, 136, 0.2);
}

html, body {
    font-family: var(--bs-body-font-family);
}

/* ---- Typography -------------------------------------------------------- */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.015em;
    color: var(--gg-text);
}

h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }

h1:focus {
    outline: none;
}

.page-header {
    margin-bottom: 1.75rem;
}

.page-title {
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.3rem;
}

.page-lead {
    color: var(--gg-text-secondary);
    margin: 0;
    max-width: 62ch;
}

code {
    color: var(--gg-accent-strong);
    background: var(--gg-accent-tint);
    border: 1px solid var(--gg-accent-soft);
    padding: 0.08em 0.35em;
    border-radius: 0.35rem;
    font-size: 0.85em;
}

pre {
    background: #0f172a;
    color: #e2e8f0;
    border-radius: var(--gg-radius-sm);
    padding: 0.9rem 1rem;
}

/* ---- Icons ------------------------------------------------------------- */

.icon {
    width: 1.15em;
    height: 1.15em;
    vertical-align: -0.2em;
    flex-shrink: 0;
}

.icon-chip {
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 0.7rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gg-accent-tint);
    color: var(--gg-accent-strong);
    border: 1px solid var(--gg-accent-soft);
}

.icon-chip .icon {
    width: 1.2rem;
    height: 1.2rem;
}

/* ---- Width helpers ------------------------------------------------------ */

.mw-24 { max-width: 24rem; }
.mw-40 { max-width: 40rem; }
.mw-44 { max-width: 44rem; }
.mw-52 { max-width: 52rem; }

/* ---- Buttons ------------------------------------------------------------ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45em;
    font-weight: 600;
    --bs-btn-border-radius: var(--gg-radius-sm);
}

.btn .icon {
    width: 1.05em;
    height: 1.05em;
}

.btn-primary {
    --bs-btn-bg: var(--gg-accent);
    --bs-btn-border-color: var(--gg-accent);
    --bs-btn-hover-bg: var(--gg-accent-strong);
    --bs-btn-hover-border-color: var(--gg-accent-strong);
    --bs-btn-active-bg: var(--gg-accent-deep);
    --bs-btn-active-border-color: var(--gg-accent-deep);
    --bs-btn-disabled-bg: #9ed6d0;
    --bs-btn-disabled-border-color: #9ed6d0;
    --bs-btn-focus-shadow-rgb: 13, 148, 136;
}

.btn-secondary {
    --bs-btn-color: #374151;
    --bs-btn-bg: #eef0f3;
    --bs-btn-border-color: #eef0f3;
    --bs-btn-hover-color: #111827;
    --bs-btn-hover-bg: #e2e5ea;
    --bs-btn-hover-border-color: #e2e5ea;
    --bs-btn-active-color: #111827;
    --bs-btn-active-bg: #d8dce2;
    --bs-btn-active-border-color: #d8dce2;
    --bs-btn-focus-shadow-rgb: 107, 114, 128;
}

.btn-outline-primary {
    --bs-btn-color: var(--gg-accent-strong);
    --bs-btn-border-color: #b5ded9;
    --bs-btn-hover-color: var(--gg-accent-deep);
    --bs-btn-hover-bg: var(--gg-accent-tint);
    --bs-btn-hover-border-color: var(--gg-accent);
    --bs-btn-active-color: var(--gg-accent-deep);
    --bs-btn-active-bg: var(--gg-accent-soft);
    --bs-btn-active-border-color: var(--gg-accent);
    --bs-btn-focus-shadow-rgb: 13, 148, 136;
}

.btn-outline-secondary {
    --bs-btn-color: #4b5563;
    --bs-btn-border-color: #d1d5db;
    --bs-btn-hover-color: #111827;
    --bs-btn-hover-bg: #f3f4f6;
    --bs-btn-hover-border-color: #c3c9d1;
    --bs-btn-active-color: #111827;
    --bs-btn-active-bg: #e5e7eb;
    --bs-btn-active-border-color: #c3c9d1;
    --bs-btn-focus-shadow-rgb: 107, 114, 128;
}

.btn-outline-danger {
    --bs-btn-color: #b91c1c;
    --bs-btn-border-color: #f3c1c1;
    --bs-btn-hover-color: #991b1b;
    --bs-btn-hover-bg: #fef2f2;
    --bs-btn-hover-border-color: #dc2626;
    --bs-btn-active-color: #991b1b;
    --bs-btn-active-bg: #fee2e2;
    --bs-btn-active-border-color: #dc2626;
    --bs-btn-focus-shadow-rgb: 220, 38, 38;
}

.btn-link {
    --bs-btn-color: var(--gg-accent-strong);
    --bs-btn-hover-color: var(--gg-accent-deep);
    text-decoration: none;
}

.btn-link:hover {
    text-decoration: underline;
}

/* ---- Cards -------------------------------------------------------------- */

.card {
    --bs-card-border-color: var(--gg-border);
    --bs-card-border-radius: var(--gg-radius);
    --bs-card-inner-border-radius: calc(var(--gg-radius) - 1px);
    --bs-card-cap-bg: transparent;
    --bs-card-spacer-y: 1.15rem;
    --bs-card-spacer-x: 1.25rem;
    box-shadow: var(--gg-shadow-card);
}

.card-header {
    font-weight: 600;
    border-bottom: 1px solid var(--gg-border);
    padding-top: 0.8rem;
    padding-bottom: 0.8rem;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.45rem;
}

.card .table {
    margin-bottom: 0;
}

.card .table thead th {
    background: #f9fafb;
}

.card .table tbody tr:last-child > * {
    border-bottom: 0;
}

/* Card wrapping a full-bleed table; scrolls sideways on narrow screens */
.table-card {
    overflow-x: auto;
}

.table-scroll {
    overflow-x: auto;
}

.table-card .table > :not(caption) > * > :first-child {
    padding-left: 1.15rem;
}

.table-card .table > :not(caption) > * > :last-child {
    padding-right: 1.15rem;
}

/* ---- Stat tiles ---------------------------------------------------------- */

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
    gap: 0.85rem;
}

.stat-tile {
    background: var(--gg-surface);
    border: 1px solid var(--gg-border);
    border-radius: var(--gg-radius);
    padding: 0.9rem 1.1rem;
    box-shadow: var(--gg-shadow-card);
}

.stat-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--gg-text-faint);
    margin-bottom: 0.15rem;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    font-variant-numeric: tabular-nums;
}

/* ---- Tables -------------------------------------------------------------- */

.table {
    --bs-table-hover-bg: #f8fafc;
    --bs-table-striped-bg: #fafbfc;
    font-variant-numeric: tabular-nums;
}

.table thead th {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--gg-text-faint);
}

.table > :not(caption) > * > * {
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
    border-bottom-color: var(--gg-border);
}

/* ---- Alerts -------------------------------------------------------------- */

.alert {
    border-radius: var(--gg-radius);
    padding: 0.85rem 1.1rem;
}

.alert-info {
    background: #eff6ff;
    border-color: #dbeafe;
    color: #1e40af;
}

.alert-success {
    background: #ecfdf5;
    border-color: #d1fae5;
    color: #065f46;
}

.alert-warning {
    background: #fffbeb;
    border-color: #fde68a;
    color: #92400e;
}

.alert-danger {
    background: #fef2f2;
    border-color: #fecaca;
    color: #b91c1c;
}

.alert .alert-link,
.alert a {
    color: inherit;
    font-weight: 600;
}

/* ---- Badges -------------------------------------------------------------- */

.badge {
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: 999px;
    padding: 0.32em 0.7em;
}

.badge.text-bg-light {
    background-color: #f1f3f6 !important;
    color: var(--gg-text-secondary) !important;
    border: 1px solid var(--gg-border);
    font-weight: 500;
}

.badge.text-bg-secondary {
    background-color: #f1f3f6 !important;
    color: var(--gg-text-secondary) !important;
    border: 1px solid var(--gg-border);
}

.badge.text-bg-success {
    background-color: #ecfdf5 !important;
    color: #047857 !important;
    border: 1px solid #d1fae5;
}

/* ---- Progress bars -------------------------------------------------------- */

.progress {
    --bs-progress-height: 0.55rem;
    --bs-progress-bg: #edf0f3;
    --bs-progress-bar-bg: var(--gg-accent);
    border-radius: 999px;
}

.progress-bar {
    border-radius: 999px;
}

.progress-bar.bg-success {
    background-color: #10b981 !important;
}

.progress-bar.bg-info {
    background-color: #38bdf8 !important;
}

/* ---- Forms ---------------------------------------------------------------- */

.form-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: #374151;
    margin-bottom: 0.35rem;
}

.form-control, .form-select {
    border-color: #d7dbe0;
    border-radius: var(--gg-radius-sm);
}

.form-control:focus, .form-select:focus, .form-check-input:focus {
    border-color: #14b8a6;
    box-shadow: 0 0 0 0.2rem rgba(13, 148, 136, 0.15);
}

.form-check-input:checked {
    background-color: var(--gg-accent);
    border-color: var(--gg-accent);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus {
    box-shadow: 0 0 0 0.2rem rgba(13, 148, 136, 0.2);
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #10b981;
}

.invalid {
    outline: 1px solid #dc2626;
}

.validation-message {
    color: #dc2626;
}

/* ---- Plan week accordion --------------------------------------------------- */

.plan-week {
    margin-bottom: 1rem;
}

.plan-week > summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    font-size: 1.05rem;
    padding: 0.4rem 0.15rem;
    user-select: none;
    border-radius: 0.5rem;
}

.plan-week > summary::-webkit-details-marker {
    display: none;
}

.plan-week > summary::before {
    content: "";
    width: 0.5rem;
    height: 0.5rem;
    border-right: 2px solid var(--gg-text-faint);
    border-bottom: 2px solid var(--gg-text-faint);
    transform: rotate(-45deg);
    transition: transform 0.15s ease;
    margin: 0 0.2rem 0 0.1rem;
    flex-shrink: 0;
}

.plan-week[open] > summary::before {
    transform: rotate(45deg);
    margin-top: -0.2rem;
}

/* Week-level regeneration controls, sitting between the week header and its days. */
.plan-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    padding: 0.1rem 0.15rem 0.35rem;
}

/* ---- Misc ------------------------------------------------------------------ */

.loading {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--gg-text-secondary);
    padding: 0.75rem 0;
}

.loading .spinner-border {
    color: var(--gg-accent);
    border-width: 2px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--gg-text-secondary);
    margin-bottom: 0.75rem;
}

.back-link:hover {
    color: var(--gg-accent-strong);
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

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

/* ---- Exercise demos ---------------------------------------------------------- */

.exercise-demo-thumb {
    width: 96px;
    height: 72px;
    object-fit: cover;
    border: 1px solid var(--gg-border);
    border-radius: var(--gg-radius-sm);
    background: #fff;
    flex-shrink: 0;
}

.exercise-demo-details summary {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gg-text-secondary);
    cursor: pointer;
    user-select: none;
    margin-bottom: 0.25rem;
}

.exercise-demo-details summary:hover {
    color: var(--gg-accent-strong);
}

.exercise-demo {
    display: block;
    width: 240px;
    max-width: 100%;
    height: auto;
    border: 1px solid var(--gg-border);
    border-radius: var(--gg-radius-sm);
    background: #fff;
    margin-bottom: 0.5rem;
}