/*** *** general style, login & home page *** ***/
:root {
    --font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --charcoal: #34495e;
    --reddish-brown: #8e44ad;
}

body {
    font-family: var(--font-family-sans-serif);
    margin-bottom: 60px;
}

.login-container {
    text-align: center;
    margin-top: 50px;
}

.login-box {
    display: inline-block;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 350px;
}

.mantu-logo {
    width: 300px;
    max-width: 100%;
    display: block;
    margin: 0 auto 20px;
}

.login-box h2 {
    font-family: Arial, sans-serif;
    color: #662179;
}

.error-message {
    color: red;
    font-weight: bold;
    margin-bottom: 10px;
}

.form-login {
    margin-bottom: 20px;
}

.form-login input {
    width: 100%;
    padding: 12px;
    border-radius: 6px;
    border: 1px solid #ccc;
    box-sizing: border-box;
    text-align: center;
}

.form-login input:focus {
    border-color: #a64ca6;
    outline: none;
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background-color: #662179;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}

.submit-btn:hover {
    background-color: #4b0c68;
}

/*** *** home.html *** ***/
.main-container {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 70px; 
    height: calc(100vh - 120px); /* Account for header + footer */
    overflow: hidden; /* Prevent scroll */
}

/* Responsive design for mobile */
@media (max-width: 768px) {
    .main-container {
        justify-content: center;
        padding-right: 20px;
        padding-left: 20px;
    }
}

.dashboard-container {
    text-align: center;
    background: linear-gradient(180deg, #f5f5f5, #e0e0e0);
    border-radius: 40px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    color: #662179;
    padding: 50px 65px;
    margin-right: 50px;
}

/* Mobile responsive for dashboard */
@media (max-width: 768px) {
    .dashboard-container {
        margin-right: 0;
        padding: 30px 40px;
    }
}

.dashboard-container h1 {
    font-size: 36px;
    font-weight: 700;
    color: #662179;
    margin-bottom: 50px;
    margin-top:0;
}

.dashboard-container h1 span {
    color: #662179; /* touche de violet pour rappeler l’ancien thème */
}

.subtitle {
    font-size: 16px;
    font-weight: 400;
    margin-bottom: 50px;
    opacity: 0.9;
    color: #662179;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 180px);
    gap: 30px;
    justify-content: center;
}

.dashboard-card {
    background-color: rgba(102, 33, 121, 0.1);
    border-radius: 16px;
    padding: 25px;
    text-align: center;
    color: #222;
    text-decoration: none;
    transition: transform 0.2s ease, background-color 0.3s ease;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.dashboard-card img {
    width: 50px;
    height: 50px;
    margin-bottom: 15px;
}

.dashboard-card span {
    font-size: 16px;
    font-weight: 500;
}

.dashboard-card:hover {
    background-color: rgba(102, 33, 121, 0.2);
    transform: translateY(-5px);
}

/* Footer styling */
.footer-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: white;
    border-top: 2px solid #662179;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Body margin adjusted for footer */

/* Responsive footer */
@media (max-width: 768px) {
    .footer-bar {
        height: 50px;
    }

    body {
        margin-bottom: 50px;
    }
}

/* ===== HISTOGRAM CONTROLS STYLING ===== */
.histogram-controls-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.controls-subtitle {
    color: #662179;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.histogram-controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    align-items: end;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-group label {
    font-weight: 600;
    color: #34495e;
    font-size: 0.9rem;
}

.control-group select {
    padding: 10px 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 0.95rem;
    background-color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.control-group select:hover {
    border-color: #662179;
}

.control-group select:focus {
    outline: none;
    border-color: #662179;
    box-shadow: 0 0 0 3px rgba(102, 33, 121, 0.1);
}

.refresh-btn {
    padding: 10px 20px;
    background: linear-gradient(135deg, #662179 0%, #8e44ad 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.refresh-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(102, 33, 121, 0.3);
}

.refresh-btn:active {
    transform: translateY(0);
}

/* ===== HISTOGRAM CHART STYLING ===== */
.chart-card.full-width {
    grid-column: 1 / -1;
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.histogram-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 15px;
}

.histogram-header h4 {
    color: #662179;
    font-size: 1.2rem;
    margin: 0;
}

.histogram-summary {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    background: #f8f9fa;
    padding: 10px 15px;
    border-radius: 8px;
}

.summary-item {
    font-size: 0.9rem;
    color: #555;
}

.summary-item strong {
    color: #662179;
    font-weight: 700;
}

.histogram-loading {
    text-align: center;
    padding: 40px;
    color: #662179;
    font-weight: 600;
    font-size: 1.1rem;
}

/* Global Loading Indicator */
.global-loading-indicator {
    position: fixed;
    top: 70px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: none;
    align-items: center;
    gap: 10px;
    z-index: 1000;
    font-size: 0.9rem;
    font-weight: 500;
    animation: slideInRight 0.3s ease-out;
}

.global-loading-indicator.show {
    display: flex;
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.loading-indicator-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.loading-indicator-title {
    font-weight: 600;
}

.loading-indicator-details {
    font-size: 0.75rem;
    opacity: 0.9;
}

.cancel-requests-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
    transition: all 0.2s ease;
    margin-left: 8px;
    padding: 0;
    line-height: 1;
}

.cancel-requests-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.cancel-requests-btn:active {
    transform: scale(0.95);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .histogram-controls-grid {
        grid-template-columns: 1fr;
    }

    .histogram-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .histogram-summary {
        width: 100%;
        justify-content: space-between;
    }
}


/* Sensor Selection Section */
.sensor-selection-section {
    background: white;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.sensor-selection-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sensor-filter-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.sensor-list-container {
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
}

.sensor-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: 600;
}

.select-all-btn {
    background: white;
    color: #667eea;
    border: none;
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.select-all-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.sensor-list {
    max-height: 300px;
    overflow-y: auto;
    background: #f8f9fa;
}

.sensor-list-placeholder {
    padding: 40px 20px;
    text-align: center;
    color: #999;
    font-style: italic;
}

.sensor-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid #e0e0e0;
    background: white;
    transition: background 0.2s;
    cursor: pointer;
}

.sensor-item:hover {
    background: #f0f4ff;
}

.sensor-item.selected {
    background: #e8f0ff;
    border-left: 4px solid #667eea;
}

.sensor-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 12px;
    cursor: pointer;
}

.sensor-item-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sensor-item-name {
    font-weight: 600;
    color: #2c3e50;
}

.sensor-item-details {
    display: flex;
    gap: 12px;
    font-size: 0.85rem;
    color: #7f8c8d;
}

.sensor-badge {
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.sensor-badge.active {
    background: #d4edda;
    color: #155724;
}

.sensor-badge.inactive {
    background: #f8d7da;
    color: #721c24;
}