:root {
    --bg-dark: #000000;
    --card-dark: #1c1c1e;
    --accent: #ccff00;
    /* Neon Lime */
    --accent-dim: #aacc00;
    --text-white: #ffffff;
    --text-gray: #8e8e93;
    --danger: #ff453a;
    --font-main: 'Inter', sans-serif;
    --border-radius: 16px;
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: var(--font-main);
    margin: 0;
    padding: 0;
    padding-bottom: 40px;
    /* Space for bottom scroll */
}

.app-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 15px;
    border-bottom: 1px solid #333;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.5px;
    color: var(--accent);
}

header h1 i {
    margin-right: 8px;
}

.quick-stats {
    font-size: 0.8rem;
    color: var(--text-gray);
    background: #333;
    padding: 5px 10px;
    border-radius: 20px;
}

.filters-row {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.filters-row select {
    flex: 1;
    background: #111;
    border: 1px solid #333;
}

.add-workout-card {
    background-color: var(--card-dark);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.add-workout-card h2 {
    margin-top: 0;
    font-size: 1.1rem;
    color: var(--text-white);
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.form-group {
    margin-bottom: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-gray);
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 6px;
    text-transform: uppercase;
}

input,
select {
    width: 100%;
    background: #000;
    border: 1px solid #333;
    color: #fff;
    padding: 14px;
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--font-main);
    transition: all 0.2s;
}

/* Fix for dark mode date picker icon */
::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
}

input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(204, 255, 0, 0.2);
}

.cta-button {
    width: 100%;
    background-color: var(--accent);
    color: #000;
    border: none;
    padding: 14px 20px;
    border-radius: 6px;
    /* Bootstrap-ish */
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    margin-top: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
}

.cta-button:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.3);
}

.cta-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    filter: none;
}


.chart-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #333;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    /* Added spacing */
}

.chart-header h3 {
    margin: 0;
    /* Updated from 25px */
    font-size: 1.1rem;
    color: var(--text-gray);
    display: flex;
    align-items: center;
}

.chart-header span {
    color: var(--text-white);
    font-weight: 600;
}

.canvas-container {
    background: var(--card-dark);
    padding: 15px;
    border-radius: var(--border-radius);
    height: 250px;
    position: relative;
    border: 1px solid #333;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.history-item {
    background-color: var(--card-dark);
    padding: 16px;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 4px solid var(--accent);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.history-info h4 {
    margin: 0 0 4px 0;
    font-size: 1rem;
}

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

.history-weight {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
    text-align: right;
}

.history-reps {
    display: block;
    font-size: 0.75rem;
    color: var(--text-gray);
    font-weight: 400;
}

.delete-btn {
    background: none;
    border: none;
    color: #333;
    margin-left: 10px;
    cursor: pointer;
    padding: 5px;
}

.delete-btn:hover {
    color: var(--danger);
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-gray);
    font-style: italic;
    background: var(--card-dark);

}

/* V2 Styles */
.set-row {
    display: flex;
    gap: 10px;
    margin-bottom: 8px;
    align-items: center;
}

.set-row input {
    padding: 10px;
    font-size: 0.9rem;
}

.set-row .set-del-btn {
    background: rgba(255, 69, 58, 0.2);
    color: var(--danger);
    border: none;
    width: 36px;
    height: 38px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.secondary-btn {
    background: transparent;
    border: 1px dashed var(--accent);
    color: var(--accent);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.8rem;
    cursor: pointer;
    width: 100%;
    margin-bottom: 10px;
}

.secondary-btn:hover {
    background: rgba(204, 255, 0, 0.1);
}

.comparison-widget {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-bottom: 15px;
}

.comp-box {
    background: rgba(255, 255, 255, 0.05);
    padding: 10px;
    border-radius: 10px;
    text-align: center;
}

.comp-label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-gray);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.comp-value {
    font-size: 1rem;
    font-weight: 700;
}

.text-danger-btn {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    opacity: 0.6;
}

.history-sets-detail {
    font-size: 0.8rem;
    color: var(--text-gray);
    margin-top: 4px;
    line-height: 1.4;
}

.history-cardio-detail {
    font-size: 0.9rem;
    color: var(--accent);
    font-weight: 600;
}

/* Tab Bar (Top) */
.tab-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #111;
    border-bottom: 1px solid #333;
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    z-index: 500;
}

.sets-header {
    display: flex;
    gap: 10px;
    margin-bottom: 5px;
}

.sets-header label {
    font-size: 0.6rem;
    color: var(--text-gray);
    text-transform: uppercase;
}

/* Toggle Switch */
.drop-set-toggle-container {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
    background: rgba(255, 69, 58, 0.1);
    padding: 12px;
    border-radius: 12px;
    border: 1px dashed var(--danger);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #333;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked+.slider {
    background-color: var(--danger);
}

input:checked+.slider:before {
    transform: translateX(22px);
}

.toggle-label {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--danger);
}

.tab-item {
    background: none;
    border: none;
    color: var(--text-gray);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    cursor: pointer;
}

/* Day Cards (History V7) */
.day-card {
    background: var(--card-dark);
    border-radius: 16px;
    border: 1px solid #222;
    margin-bottom: 20px;
    overflow: hidden;
}

.day-header {
    background: rgba(255, 255, 255, 0.03);
    padding: 12px 15px;
    border-bottom: 1px solid #222;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.day-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-white);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.day-tags {
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
}

.day-body {
    padding: 5px 0;
}

/* Tweaks for items inside cards */
.history-item {
    background: transparent;
    border-bottom: 1px solid #222;
    border-radius: 0;
    margin-bottom: 0;
    padding: 12px 15px;
}

.history-item:last-child {
    border-bottom: none;
}

.tab-item.active {
    color: var(--accent);
}

.manager-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card-dark);
    padding: 15px;
    border-radius: 12px;
    border: 1px solid #333;
}

/* Swipe-to-Delete */
.swipe-container {
    position: relative;
    overflow: hidden;
    border-radius: 0;
}

.swipe-content {
    position: relative;
    z-index: 2;
    background: var(--card-dark);
    transition: transform 0.3s ease;
    touch-action: pan-y;
}

.swipe-actions {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    display: flex;
    align-items: stretch;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.swipe-container.swiping .swipe-actions {
    opacity: 1;
}

.swipe-delete-btn {
    background: var(--danger);
    color: #fff;
    border: none;
    padding: 0 25px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.edit-btn {
    background: none;
    border: none;
    color: var(--text-gray);
    cursor: pointer;
    padding: 5px;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.edit-btn:active {
    color: var(--accent);
}

/* Drop Checkbox */
.drop-check-label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 38px;
    border-radius: 8px;
    border: 1px solid #333;
    cursor: pointer;
    background: #111;
    color: #444;
    transition: all 0.2s;
}

.drop-checkbox {
    display: none;
}

.drop-checkbox:checked+.drop-check-label {
    background: rgba(255, 69, 58, 0.2);
    border-color: var(--danger);
    color: var(--danger);
    box-shadow: 0 0 10px rgba(255, 69, 58, 0.2);
}

.drop-badge {
    display: inline-block;
    background: var(--danger);
    color: white;
    font-size: 0.6rem;
    padding: 2px 4px;
    border-radius: 4px;
    margin-left: 5px;
    text-transform: uppercase;
    font-weight: bold;
}

.edit-mode-active {
    border: 2px solid var(--accent);
    box-shadow: 0 0 15px rgba(204, 255, 0, 0.2);
}

.daily-summary-card {
    background-color: var(--card-dark);
    border-radius: var(--border-radius);
    padding: 15px;
    border: 1px solid #333;
}

.daily-summary-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.daily-summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Tooltip Fix */
.daily-summary-item:last-child {
    border-bottom: none;
}

.tooltip-container {
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
}

.tooltip-text {
    visibility: hidden;
    width: 220px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 10px;
    position: absolute;
    z-index: 1000;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.85rem;
    pointer-events: none;
    border: 1px solid #555;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    line-height: 1.4;
}

.tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #333 transparent transparent transparent;
}

.tooltip-text.active {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
}

/* Desktop: tooltip on hover */
@media (hover: hover) and (pointer: fine) {
    .tooltip-container:hover .tooltip-text {
        visibility: visible;
        opacity: 1;
    }
}

/* Last workout tooltip (tracker) */
.last-workout-tooltip {
    display: flex;
    flex-direction: column;
    margin-top: 8px;
    padding: 0;
    background: rgba(204, 255, 0, 0.06);
    border-left: 3px solid var(--accent);
    border-radius: 0 8px 8px 0;
    font-size: 0.78rem;
    color: var(--text-gray);
    animation: fadeIn 0.3s ease;
    overflow: hidden;
    cursor: pointer;
}

.lwt-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
}

.lwt-header i.fa-history {
    color: var(--accent);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.lwt-toggle-icon {
    font-size: 0.6rem;
    margin-left: 4px;
    transition: transform 0.3s ease;
    color: var(--text-gray);
}

.last-workout-tooltip.expanded .lwt-toggle-icon {
    transform: rotate(180deg);
}

.lwt-detail {
    padding: 0 12px 10px 32px;
    display: none;
}

.last-workout-tooltip.expanded .lwt-detail {
    display: block;
}

.lwt-detail-line {
    padding: 2px 0;
    font-size: 0.78rem;
    color: var(--text-white);
}

.lwt-detail-line b {
    color: var(--accent);
}

.lwt-drop-badge {
    color: var(--danger);
    font-weight: 700;
    font-size: 0.7rem;
}

.lwt-drop-line {
    color: var(--danger);
    font-weight: 600;
    margin-top: 4px;
    font-size: 0.72rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

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

/* Toast Notifications */
#toastContainer {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    border-radius: 12px;
    font-size: 0.88rem;
    font-weight: 600;
    color: #fff;
    background: #1c1c1e;
    border: 1px solid #333;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
    white-space: nowrap;
}

.toast-visible {
    opacity: 1;
    transform: translateY(0);
}

.toast-success {
    border-color: var(--accent);
}

.toast-success i {
    color: var(--accent);
}

.toast-error {
    border-color: var(--danger);
}

.toast-error i {
    color: var(--danger);
}

.toast-info {
    border-color: #5ac8fa;
}

.toast-info i {
    color: #5ac8fa;
}

.toast-warning {
    border-color: #ff9f0a;
}

.toast-warning i {
    color: #ff9f0a;
}

/* Load More Button */
.load-more-btn {
    width: 100%;
    padding: 14px;
    background: transparent;
    border: 1px dashed #444;
    color: var(--text-gray);
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.load-more-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(204, 255, 0, 0.05);
}

.load-more-btn i {
    font-size: 0.7rem;
}

/* Custom Confirm Modal */
.confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

.confirm-modal {
    background: #1c1c1e;
    border: 1px solid #333;
    border-radius: 16px;
    padding: 24px;
    max-width: 340px;
    width: 100%;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.6);
}

.confirm-message {
    color: var(--text-white);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 20px;
    text-align: center;
    white-space: pre-line;
}

.confirm-actions {
    display: flex;
    gap: 10px;
}

.confirm-cancel-btn,
.confirm-ok-btn {
    flex: 1;
    padding: 12px;
    border-radius: 10px;
    border: none;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.2s;
}

.confirm-cancel-btn {
    background: #2c2c2e;
    color: var(--text-gray);
}

.confirm-cancel-btn:hover {
    opacity: 0.8;
}

.confirm-ok-btn.confirm-danger {
    background: var(--danger);
    color: #fff;
}

.confirm-ok-btn.confirm-danger:hover {
    opacity: 0.85;
}