@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette - Matching reference image more closely */
    --bg-color: #8c939b;
    /* Matte grey-blue background */
    --surface-color-light: rgba(255, 255, 255, 0.15);
    /* Lighter glass */
    --surface-color-dark: rgba(0, 0, 0, 0.15);
    /* Darker glass panels */
    --surface-border: rgba(255, 255, 255, 0.1);

    --primary-color: #ffffff;
    /* White buttons */
    --primary-text: #1c1c1c;
    /* Dark text for white buttons */
    --accent-color: #4a4a4a;
    /* Dark gray for active states */
    --danger-color: #ff6b6b;

    --text-main: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.6);
    --text-dark: #1e1e1e;
    /* For inputs/light backgrounds */

    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius - Very rounded as per reference */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 32px;
    --radius-full: 9999px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    /* Soft gradient background resembling the mockup */
    background: radial-gradient(circle at top left, #9ca3af, #6b7280);
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1 {
    font-size: 2.25rem;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.5px;
}

h2 {
    font-size: 1.5rem;
    font-weight: 500;
}

h3 {
    font-size: 1.1rem;
    font-weight: 500;
}

p {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 300;
}

/* Layout Utilities */
.view {
    display: none;
    min-height: 100vh;
    padding: var(--spacing-xl) var(--spacing-md);
    flex-direction: column;
    animation: fadeIn 0.4s ease-out;
}

.view.active {
    display: flex;
}

.mt-small {
    margin-top: var(--spacing-sm);
}

.mt-large {
    margin-top: var(--spacing-xl);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Glassmorphism Elements */
.glass-card {
    background: var(--surface-color-light);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.glass-card-dark {
    background: var(--surface-color-dark);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.glass-header {
    background: transparent;
    padding-bottom: var(--spacing-md);
}

/* Buttons */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
    transition: all 0.2s cubic-bezier(0.25, 1, 0.5, 1);
}

button:active {
    transform: scale(0.96);
}

.primary-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background-color: var(--accent-color);
    color: white;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-full);
    width: 100%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.primary-btn.white {
    background-color: var(--primary-color);
    color: var(--primary-text);
}

.fab-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.95rem;
    flex: 1;
}

.fab-btn.primary {
    background-color: var(--primary-color);
    color: var(--primary-text);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.fab-btn.outline {
    background: var(--surface-color-light);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--surface-border);
    color: var(--text-main);
}

.icon-btn {
    background: var(--surface-color-dark);
    color: var(--text-main);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--surface-border);
}

.icon-btn.danger {
    color: var(--danger-color);
    background: rgba(255, 107, 107, 0.1);
    border-color: rgba(255, 107, 107, 0.2);
}

.text-btn {
    background: transparent;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--spacing-sm) 0;
    opacity: 0.8;
}

/* Inputs */
.input-group {
    margin-bottom: var(--spacing-lg);
}

.input-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-main);
    font-weight: 500;
    font-size: 1.1rem;
}

input[type="number"] {
    width: 100%;
    background: var(--surface-color-dark);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    color: var(--text-main);
    font-size: 1.25rem;
    font-family: inherit;
    font-weight: 500;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.1);
}

input[type="number"]:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(0, 0, 0, 0.25);
}

/* Hide number arrows */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* People Selector (Pill shaped like reference) */
.people-selector {
    display: flex;
    gap: 4px;
    background: var(--surface-color-dark);
    padding: 6px;
    border-radius: var(--radius-full);
}

.person-btn {
    flex: 1;
    background: transparent;
    color: var(--text-muted);
    padding: 0.75rem;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 1.1rem;
}

.person-btn.active {
    background: var(--surface-color-light);
    color: var(--text-main);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Builder View Header */
.sticky-header {
    position: sticky;
    top: 0;
    z-index: 10;
    margin: calc(var(--spacing-xl) * -1) calc(var(--spacing-md) * -1) var(--spacing-md);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: var(--spacing-md);
}

.time-display {
    font-size: 1.2rem;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    color: var(--text-muted);
}

.time-display span#current-time-calc {
    color: var(--text-main);
    font-size: 2.2rem;
    font-weight: 600;
    margin-right: 2px;
}

/* Circular Progress resembling the bottom nav in ref image */
.progress-bar-container {
    height: 6px;
    background: var(--surface-color-dark);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--primary-color);
    width: 0%;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius-full);
}

/* floating action bar (Bottom Pill) */
.floating-action-bar-wrapper {
    position: fixed;
    bottom: var(--spacing-lg);
    left: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 10;
    display: flex;
    justify-content: center;
}

.floating-action-bar {
    display: flex;
    gap: var(--spacing-sm);
    background: rgba(30, 30, 30, 0.7);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    padding: 8px;
    border-radius: var(--radius-full);
    width: 100%;
    max-width: 400px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Workout List */
#workout-list {
    flex: 1;
    overflow-y: auto;
    padding-bottom: 100px;
    /* Space for fab */
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    /* Tighter gap like list in ref */
}

.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    opacity: 0.6;
    margin-top: 4rem;
}

.empty-state ion-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

/* Exercise Card inside List */
.exercise-card {
    background: var(--surface-color-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    position: relative;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid transparent;
}

.exercise-info {
    flex: 1;
}

.exercise-name {
    font-weight: 500;
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.exercise-meta-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.mini-sets-preview {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 4px;
}

.mini-set {
    font-size: 0.8rem;
    color: var(--text-main);
    font-weight: 500;
}

.mini-set.warmup {
    color: var(--text-muted);
    font-weight: 400;
}

.reorder-controls {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-right: var(--spacing-sm);
    opacity: 0.6;
}

.reorder-btn {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 1.2rem;
    padding: 2px 4px;
    cursor: pointer;
    transition: opacity 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reorder-btn:active {
    opacity: 1;
    transform: scale(1.1);
}

.reorder-btn:disabled {
    opacity: 0.2;
    cursor: default;
    transform: none;
}

.exercise-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* Circuit Linking UI */
.exercise-card.linked-next,
.final-workout-item.linked-next {
    border-bottom-left-radius: 4px;
    border-bottom-right-radius: 4px;
    margin-bottom: 2px !important;
}

.exercise-card.linked-prev,
.final-workout-item.linked-prev {
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
}

.circuit-link-btn {
    align-self: flex-start;
    margin-left: 24px;
    margin-top: -8px;
    margin-bottom: -8px;
    z-index: 2;
    background: var(--surface-color-dark);
    color: var(--text-muted);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    font-size: 1.1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border: 1px solid var(--surface-border);
    transition: all 0.2s ease;
}

.circuit-link-btn.active {
    background: var(--primary-color);
    color: var(--primary-text);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 100;
    display: none;
    align-items: flex-end;
}

.modal-overlay.active {
    display: flex;
    animation: fadeInModal 0.3s ease-out;
}

@keyframes fadeInModal {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-content {
    background: linear-gradient(180deg, #7c838d, #6b7280);
    width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-content.full-height {
    height: 90vh;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }

    to {
        transform: translateY(0);
    }
}

.modal-header {
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 500;
}

.modal-body {
    padding: 0 var(--spacing-md) var(--spacing-xl);
    overflow-y: auto;
    flex: 1;
}

/* Category Tabs (Exercise Modal) */
.category-selector {
    display: flex;
    overflow-x: auto;
    padding: 0 var(--spacing-md) var(--spacing-sm);
    gap: var(--spacing-sm);
    scrollbar-width: none;
}

.cat-tab {
    padding: 0.5rem 1.2rem;
    background: var(--surface-color-dark);
    color: var(--text-muted);
    border-radius: var(--radius-full);
    white-space: nowrap;
    font-size: 0.95rem;
    font-weight: 500;
}

.cat-tab.active {
    background: var(--primary-color);
    color: var(--primary-text);
}

/* Exercise List */
.exercise-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.exercise-item {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    background: var(--surface-color-light);
    color: var(--text-main);
    width: 100%;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Set Rows */
.workout-phase-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.set-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.set-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--surface-color-light);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
}

.set-number {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--surface-color-dark);
    font-size: 0.85rem;
    color: var(--text-main);
    font-weight: 500;
}

.set-inputs {
    flex: 1;
    display: flex;
    gap: var(--spacing-sm);
}

.input-wrapper {
    position: relative;
    flex: 1;
}

.input-wrapper input {
    padding: 0.75rem;
    padding-right: 2.5rem;
    font-size: 1.1rem;
    text-align: center;
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.15);
}

.input-wrapper .unit {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
    pointer-events: none;
}

/* Summary Grid Modeled on Activity Feed Grid */
.summary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.summary-card {
    background: var(--surface-color-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.summary-card .label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.summary-card .value {
    font-size: 1.5rem;
    font-weight: 500;
}

/* Final workout items */
.final-workout-item {
    background: var(--surface-color-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.final-workout-header {
    font-weight: 500;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

/* Tracker Inputs */
.tracker-input {
    background: transparent !important;
    border: none !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2) !important;
    color: inherit !important;
    font-family: inherit !important;
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    width: 60px !important;
    text-align: center !important;
    padding: 2px 4px !important;
    border-radius: 4px !important;
    box-shadow: none !important;
    transition: all 0.2s ease;
}

.tracker-input:focus {
    background: rgba(255, 255, 255, 0.1) !important;
    border-bottom: 1px solid var(--primary-color) !important;
    outline: none !important;
}

/* Small variation for rep counts */
.tracker-input.rep-input {
    width: 45px !important;
}

/* Checkbox Button */
.tracker-checkbox {
    background: transparent;
    color: inherit;
    border: none;
    font-size: 1.8rem;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
    transition: all 0.2s ease;
}

.tracker-checkbox.active {
    opacity: 1;
    color: var(--primary-color);
}