/* KINETIC Stylesheet */

/* CSS Variables */
:root {
    --bg-primary: #09090b;
    --bg-card: #18181b;
    --bg-input: #27272a;
    
    --accent-yellow: #facc15;
    --accent-yellow-rgb: 250, 204, 21;
    --accent-yellow-hover: #e2b80d;
    
    --text-cream: #faf7f0;
    --text-cream-rgb: 250, 247, 240;
    --text-muted: #a1a1aa;
    
    --border-color: rgba(250, 247, 240, 0.08);
    --border-color-focus: rgba(250, 204, 21, 0.4);
    
    --card-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-cream);
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-input);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Typography & Links */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
}

.mono {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
}

/* App Layout */
.app-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

/* Header / Navigation Sidebar */
.app-header {
    background-color: #0c0c0e;
    border-right: 1px solid var(--border-color);
    padding: 2.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-logo {
    font-size: 1.75rem;
    color: var(--accent-yellow);
    filter: drop-shadow(0 0 8px rgba(250, 204, 21, 0.4));
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--text-cream);
}

.app-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-btn {
    background: none;
    border: none;
    outline: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    width: 100%;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.nav-icon {
    width: 20px;
    height: 20px;
    transition: var(--transition-normal);
}

.nav-btn:hover {
    color: var(--text-cream);
    background-color: rgba(250, 247, 240, 0.04);
}

.nav-btn.active {
    color: var(--bg-primary);
    background-color: var(--accent-yellow);
}

.nav-btn.active .nav-icon {
    color: var(--bg-primary);
}

/* Quick Stats Area */
.quick-stats {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.stat-box {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    color: var(--accent-yellow);
}

/* Recommendations Toggle Button */
.btn-recommendations {
    position: relative;
    background-color: var(--bg-card);
    border: 1px solid var(--accent-yellow);
    color: var(--text-cream);
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: var(--transition-normal);
    overflow: hidden;
}

.btn-recommendations:hover {
    background-color: rgba(250, 204, 21, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(250, 204, 21, 0.15);
}

.rec-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-yellow);
}

/* Main Layout content */
.app-main {
    padding: 2.5rem;
    overflow-y: auto;
    max-height: 100vh;
}

/* Tab Content Visibility */
.tab-content {
    display: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.tab-content.active {
    display: block;
    opacity: 1;
}

/* Session Controls styling */
.session-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1.25rem 2rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
    box-shadow: var(--card-shadow);
}

.session-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.pulse-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent-yellow);
    box-shadow: 0 0 10px var(--accent-yellow);
    animation: pulse 1.8s infinite;
}

#workout-timer {
    font-size: 1.5rem;
}

.category-badge {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    color: var(--bg-primary);
    background-color: var(--text-cream);
    letter-spacing: 0.05em;
}

.category-badge.hidden {
    display: none;
}

.session-actions {
    display: flex;
    gap: 0.75rem;
}

/* Buttons styles */
button {
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    outline: none;
}

.btn-primary {
    background-color: var(--accent-yellow);
    color: var(--bg-primary);
    border: none;
    padding: 0.75rem 1.5rem;
}

.btn-primary:hover {
    background-color: var(--accent-yellow-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(250, 204, 21, 0.2);
}

.btn-secondary {
    background-color: var(--bg-input);
    color: var(--text-cream);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
}

.btn-secondary:hover {
    background-color: rgba(250, 247, 240, 0.06);
    border-color: var(--text-muted);
}

.btn-danger {
    background-color: #7f1d1d;
    color: #fca5a5;
    border: 1px solid #991b1b;
    padding: 0.75rem 1.5rem;
}

.btn-danger:hover {
    background-color: #991b1b;
}

/* Empty State Card */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    margin-top: 1rem;
}

.empty-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    opacity: 0.3;
}

.empty-state h2 {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
}

.empty-state p {
    color: var(--text-muted);
    max-width: 480px;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

/* Active Workout Workspace */
.workout-workspace {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.add-exercise-bar {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--card-shadow);
}

.select-wrapper {
    position: relative;
}

select {
    width: 100%;
    appearance: none;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-cream);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

select:focus {
    border-color: var(--accent-yellow);
    box-shadow: 0 0 0 2px var(--border-color-focus);
}

.select-wrapper::after {
    content: "▼";
    font-size: 0.7rem;
    color: var(--text-muted);
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

/* Exercise Cards list */
.exercises-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.exercise-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-normal);
}

.exercise-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1.25rem;
}

.exercise-header-title {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.exercise-title {
    font-size: 1.25rem;
    font-weight: 600;
    text-transform: capitalize;
}

.exercise-sub-details {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.exercise-muscle-tag {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    color: var(--accent-yellow);
    background-color: rgba(250, 204, 21, 0.1);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.exercise-order-tag {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.btn-remove-exercise {
    background: none;
    border: none;
    color: #ef4444;
    cursor: pointer;
    font-size: 0.85rem;
    padding: 0.25rem 0.5rem;
    transition: var(--transition-fast);
}

.btn-remove-exercise:hover {
    color: #f87171;
    background-color: rgba(239, 68, 68, 0.05);
}

/* Logging Rows inside Exercise Cards */
.sets-table-container {
    overflow-x: auto;
    margin-bottom: 1.25rem;
}

.sets-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    text-align: left;
}

.sets-table th {
    color: var(--text-muted);
    padding: 0.5rem 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

.sets-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.sets-table tbody tr:last-child td {
    border-bottom: none;
}

.set-row {
    transition: background-color var(--transition-fast);
}

.set-row:hover {
    background-color: rgba(250, 247, 240, 0.02);
}

.score-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
}

.score-badge.excellent {
    background-color: rgba(34, 197, 94, 0.15);
    color: #4ade80;
}

.score-badge.good {
    background-color: rgba(250, 204, 21, 0.15);
    color: var(--accent-yellow);
}

.score-badge.average {
    background-color: rgba(249, 115, 22, 0.15);
    color: #fb923c;
}

.score-badge.poor {
    background-color: rgba(239, 68, 68, 0.15);
    color: #f87171;
}

.btn-delete-set {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8rem;
    padding: 0.2rem 0.4rem;
}

.btn-delete-set:hover {
    color: #ef4444;
}

/* Logging Inputs Area (Inside Exercise Card, Footer block) */
.exercise-logging-input-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.input-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.input-container input {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-cream);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    width: 80px;
    text-align: center;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.input-container input:focus {
    border-color: var(--accent-yellow);
    outline: none;
}

.rest-trigger-area {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: auto;
}

.rec-rest-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.rec-rest-hint span {
    color: var(--accent-yellow);
    font-weight: 600;
}

/* Analytics Layout */
.analytics-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
    align-items: start;
}

.analytics-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--card-shadow);
}

.analytics-card h2 {
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.chart-header h2 {
    margin-bottom: 0;
}

.select-wrapper.shrink {
    width: 240px;
}

.chart-container {
    position: relative;
    height: 350px;
    width: 100%;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.history-item {
    background-color: rgba(250, 247, 240, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform var(--transition-fast);
}

.history-item:hover {
    transform: translateX(3px);
    border-color: rgba(250, 247, 240, 0.15);
}

.history-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.history-date {
    font-weight: 600;
}

.history-details {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.history-score-capsule {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

.history-score-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    color: var(--text-muted);
}

.history-score-value {
    color: var(--accent-yellow);
    font-size: 1.25rem;
}

/* Modals overlays (Glassmorphism Overlay) */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: #121214;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    width: 90%;
    max-width: 450px;
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.8);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal.active .modal-content {
    transform: scale(1);
}

.text-center {
    text-align: center;
}

.w-full {
    width: 100%;
}

/* Circular Rest Timer components */
.timer-category-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    background-color: rgba(250, 204, 21, 0.1);
    color: var(--accent-yellow);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.timer-status {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.timer-circle-container {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-bg {
    stroke: rgba(250, 247, 240, 0.05);
}

.progress-ring-indicator {
    stroke-linecap: round;
    transition: stroke-dashoffset 0.1s linear;
}

.timer-display {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3.5rem;
    font-weight: 700;
}

.timer-info {
    font-size: 1rem;
    color: var(--text-cream);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.timer-subtext {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Set Execution Overlay specific styles */
.execution-content {
    max-width: 500px;
}

.execution-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.execution-header h3 {
    font-size: 1.25rem;
    text-transform: capitalize;
}

.badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    letter-spacing: 0.05em;
}

.badge.yellow {
    background-color: var(--accent-yellow);
    color: var(--bg-primary);
}

.execution-timer-container {
    background-color: rgba(250, 247, 240, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.timer-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
}

#exec-timer {
    font-size: 3rem;
    color: var(--accent-yellow);
    margin: 0.25rem 0;
}

.execution-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

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

.input-group input {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-cream);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    text-align: center;
    width: 100%;
}

.input-group input:focus {
    border-color: var(--accent-yellow);
    outline: none;
}

.execution-details-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.75rem;
}

.execution-actions {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1rem;
}

/* Recommendations Drawer System */
.drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 900;
    pointer-events: none;
}

.drawer.active {
    pointer-events: auto;
}

.drawer-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.drawer.active .drawer-overlay {
    opacity: 1;
    pointer-events: auto;
}

.drawer-content {
    position: absolute;
    top: 0;
    right: -450px;
    width: 450px;
    max-width: 100%;
    height: 100%;
    background-color: #0c0c0e;
    border-left: 1px solid var(--border-color);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    padding: 2.5rem 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.drawer.active .drawer-content {
    right: 0;
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.btn-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}

.btn-close:hover {
    color: var(--text-cream);
}

.drawer-body {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-right: 0.25rem;
}

.recommendations-intro {
    font-size: 0.9rem;
    color: var(--text-muted);
    background-color: rgba(250, 247, 240, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
}

.recommendations-intro strong {
    color: var(--accent-yellow);
}

.recommendations-cards-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.rec-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.rec-card:hover {
    transform: translateY(-2px);
    border-color: rgba(250, 204, 21, 0.3);
}

.rec-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.rec-card-title {
    font-size: 1.05rem;
    font-weight: 600;
    text-transform: capitalize;
}

.rec-card-subgroup {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.15rem;
}

.rec-card-details {
    font-size: 0.8rem;
    color: var(--text-muted);
    background-color: rgba(0, 0, 0, 0.15);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
}

.rec-card-details strong {
    color: var(--text-cream);
}

.btn-add-rec {
    align-self: flex-end;
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
}

/* Toast Notifications Container */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 1100;
}

.toast {
    background-color: var(--bg-card);
    color: var(--text-cream);
    border-left: 4px solid var(--accent-yellow);
    border-top: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 280px;
    max-width: 400px;
    font-size: 0.9rem;
    transform: translateY(20px);
    opacity: 0;
    animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast.success {
    border-left-color: #22c55e;
}

.toast.info {
    border-left-color: #3b82f6;
}

.toast.warning {
    border-left-color: #f97316;
}

.toast.error {
    border-left-color: #ef4444;
}

/* Animations declarations */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(250, 204, 21, 0.6);
    }
    70% {
        box-shadow: 0 0 0 6px rgba(250, 204, 21, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(250, 204, 21, 0);
    }
}

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

/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
    .app-container {
        grid-template-columns: 1fr;
    }
    
    .app-header {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 1.5rem;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
    }
    
    .brand-name {
        font-size: 1.25rem;
    }
    
    .app-nav {
        flex-direction: row;
        gap: 0.25rem;
    }
    
    .nav-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }
    
    .quick-stats {
        display: none;
    }
    
    .btn-recommendations {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .app-main {
        padding: 1.5rem;
        max-height: none;
    }
    
    .analytics-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .app-header {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .brand {
        justify-content: center;
    }
    
    .app-nav {
        justify-content: center;
    }
    
    .btn-recommendations {
        align-self: center;
        width: 100%;
        max-width: 300px;
    }
    
    .session-controls {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .exercise-logging-input-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .rest-trigger-area {
        margin-left: 0;
        justify-content: space-between;
    }
    
    .execution-inputs {
        grid-template-columns: 1fr;
    }
    
    .execution-actions {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
}