:root {
    --primary-color: #00BFFF;
    --secondary-color: #6c757d;
    --background-color: #f8f9fa;
    --text-color: #212529;
    --card-bg: #ffffff;
    --border-color: #dee2e6;
    --shadow: 0 4px 12px rgba(0,0,0,0.1);
    --panel-width: 360px;
    --panel-handle-width: 25px;
    --positive-color: #28a745; /* Vert pour encaissement */
    --negative-color: #dc3545; /* Rouge pour décaissement */
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    padding-left: calc(var(--panel-handle-width) + 20px); 
    padding-right: calc(var(--panel-handle-width) + 20px); 
}
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

#initial-view {
    text-align: center;
    padding: 40px 20px;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    background-color: var(--card-bg);
}
#initial-view h1 {
    margin-top: 0;
}
.app-logo {
    height: 40px;
    width: auto;
}

#main-content-wrapper {
    display: none;
    width: 100%;
    position: relative;
}
#chartCard {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    width: 100%;
    height: 80vh;
    min-height: 500px;
    position: relative;
    overflow: visible;
}

#footer-logo-container {
    text-align: center;
    padding-top: 20px;
}
#footer-logo-container .app-logo {
    height: 30px;
    opacity: 0.6;
}

.control-row {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.chart-control-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chart-control-group label {
    margin-bottom: 0;
    font-weight: 600;
    font-size: 0.9em;
    color: var(--text-color);
    white-space: nowrap;
}

/* --- Left Panel --- */
#left-panel {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--panel-width);
    background-color: var(--card-bg);
    box-shadow: 4px 0 12px rgba(0,0,0,0.15);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease-in-out;
    transform: translateX(0); 
}
#left-panel.is-retractable:not(:hover) {
    transform: translateX(calc(-100% + var(--panel-handle-width)));
}
#left-panel::before {
    content: '≡';
    position: absolute;
    top: 50%;
    right: 0px;
    transform: translateY(-50%) rotate(90deg);
    font-size: 24px;
    color: var(--secondary-color);
    cursor: pointer;
    padding: 10px 0;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    opacity: 0;
    transition: opacity 0.3s;
}
#left-panel.is-retractable:not(:hover)::before {
    opacity: 1;
}

/* --- Right Panel --- */
#side-panel {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: var(--panel-width);
    background-color: var(--card-bg);
    box-shadow: -4px 0 12px rgba(0,0,0,0.15);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease-in-out;
    transform: translateX(0); 
}
#side-panel.is-retractable:not(:hover) {
    transform: translateX(calc(100% - var(--panel-handle-width)));
}
#side-panel::before {
    content: '≡';
    position: absolute;
    top: 50%;
    left: 0px;
    transform: translateY(-50%) rotate(90deg);
    font-size: 24px;
    color: var(--secondary-color);
    cursor: pointer;
    padding: 10px 0;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    opacity: 0;
    transition: opacity 0.3s;
}
#side-panel.is-retractable:not(:hover)::before {
    opacity: 1;
}

/* --- Common Panel Styles --- */
.panel-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.2em;
    font-weight: 600;
    color: var(--primary-color);
    flex-shrink: 0;
}
.panel-content {
    padding: 20px;
    overflow-y: auto;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    gap: 20px;
    background-color: var(--background-color);
}

details {
    border: none;
    border-radius: 8px;
    box-shadow: var(--shadow);
    background-color: var(--card-bg);
    overflow: hidden;
}
details[open] > summary {
    border-bottom: 1px solid var(--border-color);
}
summary {
    padding: 12px 15px;
    font-weight: bold;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: transparent;
}
summary::-webkit-details-marker { display: none; }
summary::after {
    content: '▶';
    font-size: 0.8em;
    transition: transform 0.2s;
    transform: rotate(0deg);
}
details[open] > summary::after {
    transform: rotate(90deg);
}
.details-content {
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.control-group {
    display: flex;
    flex-direction: column;
}
label {
    font-weight: bold;
    margin-bottom: 5px;
    font-size: 0.9em;
    color: var(--secondary-color);
}
input[type="file"], input[type="date"], input[type="number"], input[type="text"], select, button {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1em;
    background-color: #fff;
    cursor: pointer;
    width: 100%;
    box-sizing: border-box;
}
button {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
    transition: background-color 0.2s;
}
button:hover:not(:disabled) {
    background-color: #5a6268;
}
button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}
.granularity-control {
    display: flex;
    align-items: center;
    gap: 10px;
}
#granularityDisplay {
    font-weight: 500;
    text-align: center;
    flex-grow: 1;
    min-width: 80px;
}

#granularityMinus, #granularityPlus {
    background-color: var(--text-color);
    border-color: var(--text-color);
}
#granularityMinus:hover:not(:disabled), 
#granularityPlus:hover:not(:disabled) {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

#status {
    text-align: center;
    margin: 20px;
    font-style: italic;
    color: var(--secondary-color);
}
.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
    display: none;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
#colorPersonalization {
    display: none;
    margin-top: 10px;
}
.color-picker-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}
.color-picker-item input[type="color"] {
    width: 50px;
    height: 30px;
    padding: 2px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.choices__inner {
    max-height: 120px; 
    overflow-y: auto;  
}
.choices__list--dropdown {
    max-height: 250px;
    overflow-y: auto;
}

.choices[data-type*="select-multiple"] .choices__inner .choices__input--cloned {
    order: -1;
    margin-bottom: 5px;
}

.balance-result {
    margin-top: 10px;
    padding: 12px;
    background-color: var(--background-color);
    border-radius: 4px;
    text-align: center;
    font-size: 1.1em;
    font-weight: bold;
    color: var(--primary-color);
}

#simulationList {
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.simulation-item {
    background-color: var(--background-color);
    padding: 8px 12px;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85em;
}
.simulation-item-info {
    display: flex;
    flex-direction: column;
}
.simulation-item-info strong {
    color: var(--text-color);
}
.simulation-item-info span {
    color: var(--secondary-color);
}
.simulation-item-delete {
    background: none;
    border: none;
    color: #dc3545;
    font-size: 1.4em;
    cursor: pointer;
    padding: 0 5px;
}
.simulation-item-delete:hover {
    color: #a71d2a;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.6);
    z-index: 1999;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.modal-overlay.is-visible {
    display: block;
    opacity: 1;
}
.modal-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background-color: var(--card-bg);
    padding: 25px 30px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    z-index: 2000;
    width: 90%;
    max-width: 450px;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.modal-container.is-visible {
    display: block;
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}
.modal-header h2 {
    margin: 0;
    font-size: 1.4em;
}
.modal-close-btn {
    background: none;
    border: none;
    font-size: 2em;
    line-height: 1;
    cursor: pointer;
    color: var(--secondary-color);
}
#addSimulationTriggerBtn {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: bold;
    padding: 8px 12px;
    font-size: 0.9em;
    width: 100%;
}
#addSimulationTriggerBtn:hover:not(:disabled) {
    opacity: 0.9;
}

#stats-display-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.stat-card {
    background-color: var(--background-color);
    border-radius: 6px;
    padding: 12px 15px;
    flex: 1;
    min-width: 220px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.stat-card-header {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-weight: bold;
    font-size: 0.9em;
    padding-bottom: 8px;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    min-height: 36px;
}
.stat-color-indicator {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    flex-shrink: 0;
    margin-top: 4px;
}
.stat-card-body {
    display: flex;
    justify-content: space-between;
    text-align: center;
    gap: 10px;
}
.stat-item {
    display: flex;
    flex-direction: column;
    flex-basis: 0;
    flex-grow: 1;
}
.stat-label {
    font-size: 0.75em;
    color: var(--secondary-color);
    margin-bottom: 2px;
    text-transform: uppercase;
}
.stat-value {
    font-size: 1em;
    font-weight: 600;
}
.positive-value {
    color: var(--positive-color);
}
.negative-value {
    color: var(--negative-color);
}
.stat-bar-container {
    background-color: #e9ecef;
    border-radius: 4px;
    height: 6px;
    margin-top: 4px;
    width: 100%;
    overflow: hidden;
}
.stat-bar-filler {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease-out;
}
.positive-bar {
    background-color: var(--positive-color);
}
.negative-bar {
    background-color: var(--negative-color);
}