/* ==========================================================================
   PPP - Workout Module Styles
   --------------------------------------------------------------------------
   Big, thumb-friendly buttons (48-60dp touch targets), drill-down navigation,
   horizontal session carousel, set tables, and customization edit mode.

   Uses global design tokens from styles.css (--color-*, --space-*, etc.)
   ========================================================================== */

/* --- Workout View Container --- */
.workout-view {
    width: 100%;
    max-width: var(--max-content-width);
    margin: 0 auto;
    padding-bottom: var(--space-xl);
}

.workout-content {
    width: 100%;
}

/* --- Workout Header (per-screen top bar) --- */
.workout-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0 var(--space-md);
    min-height: 56px;
}

.workout-title {
    flex: 1;
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text);
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.workout-header__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    min-width: 44px;
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-on-primary);
    background-color: var(--color-primary);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color var(--transition);
    white-space: nowrap;
}

.workout-header__btn:hover {
    background-color: var(--color-primary-hover);
}

.workout-header__btn:active {
    transform: scale(0.97);
}

.workout-header__back {
    background-color: var(--color-surface-hover);
    color: var(--color-text);
}

.workout-header__back:hover {
    background-color: var(--color-border);
}

.workout-header__done {
    background-color: var(--color-success);
}

.workout-header__delete {
    background-color: transparent;
    color: var(--color-danger);
}

.workout-header__delete:hover {
    background-color: var(--color-danger);
    color: var(--color-on-primary, #fff);
}

/* ======================================================================
   SCREEN 1: SESSION LIST (horizontal carousel)
   ====================================================================== */

.workout-carousel {
    display: flex;
    gap: var(--space-md);
    overflow-x: auto;
    overflow-y: hidden;
    padding: var(--space-sm) 0 var(--space-lg);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
}

.workout-carousel::-webkit-scrollbar {
    height: 6px;
}

.workout-carousel::-webkit-scrollbar-thumb {
    background-color: var(--color-border);
    border-radius: 3px;
}

.workout-session-card {
    flex: 0 0 280px;
    min-height: 180px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    cursor: pointer;
    transition: border-color var(--transition), transform var(--transition);
    scroll-snap-align: start;
}

.workout-session-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.workout-session-card:active {
    transform: scale(0.98);
}

.workout-session-card--new {
    align-items: center;
    justify-content: center;
    border-style: dashed;
    border-color: var(--color-border);
    color: var(--color-text-muted);
    text-align: center;
}

.workout-session-card--new:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.workout-session-card__icon {
    font-size: 2.5rem;
    font-weight: 300;
    line-height: 1;
}

.workout-session-card__label {
    font-size: var(--font-size-base);
    font-weight: 500;
}

.workout-session-card__date {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: 500;
}

.workout-session-card__name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.workout-session-card__stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: auto;
}

.workout-stat {
    display: inline-flex;
    align-items: center;
    padding: 2px var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    background-color: var(--color-bg);
    border-radius: var(--border-radius-sm);
}

/* ======================================================================
   SCREEN 2: EXERCISE BROWSER (drill-down navigation)
   ====================================================================== */

.workout-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-xs);
    padding: var(--space-xs) 0 var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.workout-breadcrumb__item {
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition);
}

.workout-breadcrumb__item:hover {
    background-color: var(--color-surface-hover);
}

.workout-breadcrumb__item--active {
    color: var(--color-text);
    font-weight: 600;
    cursor: default;
}

.workout-breadcrumb__item--active:hover {
    background-color: transparent;
}

.workout-breadcrumb__sep {
    color: var(--color-text-light);
}

/* --- Big Category Buttons (one column at top level, two below) --- */
.workout-browser-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.workout-cat-btn {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    width: 100%;
    min-height: 60px;
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: background-color var(--transition), transform var(--transition);
    text-align: left;
}

.workout-cat-btn:hover {
    background-color: var(--color-surface-hover);
    border-color: var(--color-primary);
}

.workout-cat-btn:active {
    transform: scale(0.98);
}

.workout-cat-btn__icon {
    font-size: 1.75rem;
    line-height: 1;
    flex-shrink: 0;
    width: 32px;
    text-align: center;
}

.workout-cat-btn__name {
    flex: 1;
}

.workout-cat-btn__arrow {
    color: var(--color-text-muted);
    font-size: var(--font-size-lg);
}

.workout-cat-btn__edit {
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
}

/* --- Two-column layout for sub-categories (muscle groups) --- */
@media (min-width: 480px) {
    .workout-browser-grid--two-col {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-md);
    }
}

/* --- Exercise List Items --- */
.workout-exercise-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-top: var(--space-md);
}

.workout-exercise-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    min-height: 52px;
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color var(--transition), border-color var(--transition);
}

.workout-exercise-item:hover {
    background-color: var(--color-surface-hover);
}

.workout-exercise-item:active {
    transform: scale(0.99);
}

.workout-exercise-item--selected {
    border-color: var(--color-success);
    background-color: rgba(34, 197, 94, 0.1);
}

.workout-exercise-item__name {
    flex: 1;
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.workout-exercise-item__type {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    padding: 2px var(--space-sm);
    background-color: var(--color-bg);
    border-radius: var(--border-radius-sm);
}

.workout-exercise-item__notes {
    color: var(--color-primary);
    cursor: help;
}

.workout-exercise-item__check {
    font-size: var(--font-size-lg);
    color: var(--color-success);
    font-weight: 700;
}

/* --- Exercise Notes Modal --- */
.workout-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}

.workout-modal__overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
}

.workout-modal__content {
    position: relative;
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

.workout-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.workout-modal__header h3 {
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

.workout-modal__close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    line-height: 1;
}

.workout-modal__close:hover {
    color: var(--color-text);
}

.workout-modal__body {
    padding: var(--space-lg);
}

.workout-exercise-notes {
    color: var(--color-text);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.workout-exercise-type {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ======================================================================
   SCREEN 3: SESSION DETAIL (logging screen)
   ====================================================================== */

.workout-session-detail {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.workout-session-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.workout-session-meta .workout-field {
    flex: 1;
    min-width: 150px;
}

.workout-session-entries {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* --- Entry Block (one per exercise in a session) --- */
.workout-entry-block {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.workout-entry-block__header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-surface-hover);
    border-bottom: 1px solid var(--color-border);
}

.workout-entry-block__name {
    flex: 1;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
}

.workout-entry-block__type {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    padding: 2px var(--space-sm);
    background-color: var(--color-bg);
    border-radius: var(--border-radius-sm);
}

.workout-entry-block__remove {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--color-danger);
    cursor: pointer;
    padding: var(--space-xs);
    line-height: 1;
    min-width: 36px;
    min-height: 36px;
}

.workout-entry-block__remove:hover {
    color: var(--color-danger-hover);
}

/* --- Set Table (strength exercises) --- */
.workout-set-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.workout-set-table thead {
    background-color: var(--color-bg);
}

.workout-set-table th {
    padding: var(--space-xs) var(--space-sm);
    text-align: center;
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--color-border);
}

.workout-set-table td {
    padding: var(--space-xs) var(--space-sm);
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.workout-set-row__num {
    color: var(--color-text-muted);
    font-weight: 600;
}

.workout-set-input {
    width: 100%;
    min-height: 40px;
    padding: var(--space-xs) var(--space-sm);
    text-align: center;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-text);
    font-size: var(--font-size-base);
}

.workout-set-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-light);
}

/* Remove number input spinners for cleaner look */
.workout-set-input::-webkit-outer-spin-button,
.workout-set-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.workout-set-input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

.workout-set-row__remove {
    background: none;
    border: none;
    font-size: 1.1rem;
    color: var(--color-danger);
    cursor: pointer;
    padding: var(--space-xs);
    min-width: 36px;
    min-height: 36px;
}

.workout-set-row__remove:hover {
    color: var(--color-danger-hover);
}

.workout-add-set-btn {
    display: block;
    width: 100%;
    padding: var(--space-sm);
    background: none;
    border: none;
    border-top: 1px solid var(--color-border);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition);
}

.workout-add-set-btn:hover {
    background-color: var(--color-surface-hover);
}

/* --- Cardio Fields --- */
.workout-cardio-fields {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-md);
    padding: var(--space-md);
}

/* --- Form Fields --- */
.workout-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.workout-field__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: 500;
}

.workout-field__input {
    width: 100%;
    min-height: 44px;
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
}

.workout-field__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-light);
}

/* --- Add Exercise Button --- */
.workout-add-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: var(--space-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-primary);
    background-color: transparent;
    border: 2px dashed var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: border-color var(--transition), background-color var(--transition);
}

.workout-add-btn:hover {
    border-color: var(--color-primary);
    background-color: var(--color-surface);
}

.workout-add-btn:active {
    transform: scale(0.99);
}

/* --- Session Summary --- */
.workout-session-summary {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--space-md);
    margin-top: var(--space-md);
}

.workout-summary__title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.workout-summary__stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.workout-summary__stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.workout-summary__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.workout-summary__value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
}

/* --- Update Base Template Button --- */
.workout-update-template-btn {
    display: block;
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    margin-top: var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    background-color: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color var(--transition);
}

.workout-update-template-btn:hover {
    background-color: var(--color-surface-hover);
    color: var(--color-text);
}

/* ======================================================================
   SCREEN 4: TEMPLATE LIST
   ====================================================================== */

.workout-template-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.workout-template-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    min-height: 56px;
    padding: var(--space-md);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color var(--transition), border-color var(--transition);
}

.workout-template-item:hover {
    background-color: var(--color-surface-hover);
    border-color: var(--color-primary);
}

.workout-template-item__info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.workout-template-item__name {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
}

.workout-template-item__count {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.workout-template-item__start {
    min-height: 40px;
    padding: var(--space-xs) var(--space-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-on-primary);
    background-color: var(--color-success);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color var(--transition);
    white-space: nowrap;
}

.workout-template-item__start:hover {
    background-color: #16a34a;
}

.workout-empty {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* ======================================================================
   SCREEN 5: TEMPLATE BUILDER
   ====================================================================== */

.workout-template-detail {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.workout-template-entries {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.workout-template-entry {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--space-md);
}

.workout-template-entry__header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.workout-template-entry__name {
    flex: 1;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
}

.workout-template-entry__remove {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--color-danger);
    cursor: pointer;
    padding: var(--space-xs);
    min-width: 36px;
    min-height: 36px;
}

.workout-template-entry__remove:hover {
    color: var(--color-danger-hover);
}

.workout-template-entry__targets {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--space-md);
}

/* ======================================================================
   EDIT MODE (Customization)
   ====================================================================== */

/* When edit mode is active, show a subtle indicator */
.workout-view--edit-mode .workout-cat-btn,
.workout-view--edit-mode .workout-exercise-item {
    border-style: dashed;
}

.workout-view--edit-mode .workout-cat-btn:hover,
.workout-view--edit-mode .workout-exercise-item:hover {
    border-color: var(--color-warning);
}

/* Edit toggle button in header */
.workout-header__edit-toggle {
    background-color: var(--color-surface-hover);
    color: var(--color-text);
}

.workout-header__edit-toggle--active {
    background-color: var(--color-warning);
    color: var(--color-on-primary);
}

/* ======================================================================
   RESPONSIVE ADJUSTMENTS
   ====================================================================== */

/* Mobile: full-width session cards */
@media (max-width: 479px) {
    .workout-session-card {
        flex: 0 0 85vw;
    }

    .workout-cardio-fields {
        grid-template-columns: 1fr 1fr;
    }

    .workout-template-entry__targets {
        grid-template-columns: 1fr 1fr;
    }
}

/* Tablet and up: larger session cards, two-column browser */
@media (min-width: 768px) {
    .workout-session-card {
        flex: 0 0 300px;
    }

    .workout-set-table th,
    .workout-set-table td {
        padding: var(--space-sm) var(--space-md);
    }
}