/* Custom font - Montserrat */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap');
body {
    font-family: 'Montserrat', sans-serif;
    background-color: #f4f7fe;
}
/* Chart container */
.chart-container {
    position: relative;
    height: 400px;
    width: 100%;
}
.small-chart-container {
    position: relative;
    height: 250px;
    width: 100%;
}
/* Sidebar styles */
#left-sidebar {
    transition: transform 0.3s ease-in-out;
}
/* Mobile: hide sidebar by default */
@media (max-width: 1023px) {
    #left-sidebar {
        transform: translateX(-100%);
    }
    #left-sidebar.mobile-open {
        transform: translateX(0);
    }
    body {
        overflow-x: hidden;
    }
}
/* Desktop sidebar behavior */
@media (min-width: 1024px) {
    body.sidebar-open #page-container {
        margin-left: 16rem;
    }
}
/* Responsive chart heights */
@media (max-width: 768px) {
    .chart-container {
        height: 300px !important;
    }
    .small-chart-container {
        height: 200px !important;
    }
}
/* Loading Spinner */
#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.3s ease;
}
.spinner {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 8px solid #f3f3f3;
    border-top: 8px solid #4318ff;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
/* Login Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}
.modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}
.modal-content {
    background-color: #fefefe;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    animation: slideIn 0.3s ease;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}
.close-modal {
    cursor: pointer;
    font-size: 1.5rem;
    color: #999;
}
.close-modal:hover {
    color: #000;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes slideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
/* Load-in Animations */
.animated-card {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInCard 0.5s ease-out forwards;
}
@keyframes fadeInCard {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
/* Smooth transitions for hover */
.card-hover {
    transition: all 0.3s ease-in-out;
}
.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}
/* Mobile menu button */
#mobile-menu-btn {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 50;
    background: white;
    border-radius: 0.5rem;
    padding: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
/* Table styles */
table {
    width: 100%;
    border-collapse: collapse;
}
th {
    text-align: left;
    padding: 12px 8px;
    background-color: #f8fafc;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
}
td {
    padding: 12px 8px;
    border-bottom: 1px solid #e2e8f0;
    color: #1e293b;
    font-weight: 500;
}
.avatar-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #4318ff;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}
.feed-item {
    background: #eff4fb;
    border-radius: 0.75rem;
    padding: 1rem;
    margin-bottom: 0.75rem;
}
#trainerListTable thead th {
    position: sticky;
    top: 0;
    z-index: 10;
}
/* Responsive adjustments */
@media (max-width: 768px) {
    main {
        padding: 1.5rem !important;
    }
}
/* Custom CSS Variables */
:root {
    --bg-color: #f5f7fa;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --accent-main: #4c51bf;
    --accent-light: #667eea;
    --accent-success: #38a169;
    --accent-warning: #ecc94b;
    --accent-danger: #e53e3e;
    --chart-grid-color: #ebf0f5;
    --shadow-subtle: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-hover: 0 8px 20px rgba(0,0,0,0.1);
}
.kpi-item {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background-color: #fcfdfe;
    border: 1px solid #eef3f8;
    border-radius: 1rem;
    padding: 1.25rem;
    box-shadow: 0 1px 4px rgba(0,0,0,0.03);
    transition: all 0.2s ease-in-out;
    cursor: pointer;
}
.kpi-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.08);
}
.kpi-item .value {
    font-size: 2.8rem;
    font-weight: 900;
    line-height: 1;
    color: var(--accent-main);
    margin-bottom: 0.25rem;
}
.kpi-item .label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}
.kpi-item .comparison {
    font-size: 0.75rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.2rem;
    justify-content: center;
}
.kpi-item .comparison.positive { color: var(--accent-success); }
.kpi-item .comparison.negative { color: var(--accent-danger); }
/* ────────────────────────────────────────────────
   Sessions Modal specific styles
───────────────────────────────────────────────── */

#sessionsModal .modal-content {
    width: 95%;
    max-width: 1200px;           /* wider for many columns */
    max-height: 85vh;            /* ← important: limit total modal height */
    overflow: hidden;            /* prevent double scrollbars */
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    border-radius: 1rem;
}

#sessionsModal .issues-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
    flex-wrap: wrap;
    gap: 1rem;
}

#sessionsModal .table-scroll-container {
    flex: 1 1 auto;              /* grow to fill available space */
    overflow-y: auto;            /* vertical scrollbar appears here */
    max-height: 55vh;            /* ← key: limit scroll area height */
    margin: 0 -0.5rem;           /* compensate padding if needed */
    padding: 0 0.5rem;
}

/* Make header sticky inside scroll container */
#sessionsModal table thead th {
    position: sticky;
    top: 0;
    z-index: 10;
    background: #f8fafc;
    border-bottom: 2px solid #cbd5e1;
}

/* Improve table readability */
#sessionsTable {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

#sessionsTable th,
#sessionsTable td {
    padding: 12px 10px;
    text-align: left;
    font-size: 0.92rem;
}

#sessionsTable th {
    font-weight: 600;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    white-space: nowrap;
}

#sessionsTable td {
    border-bottom: 1px solid #e2e8f0;
    color: #1e293b;
}

/* Scrollbar styling (already good, but can refine) */
.table-scroll-container::-webkit-scrollbar {
    width: 9px;
}

.table-scroll-container::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 10px;
    margin: 2px;
}

.table-scroll-container::-webkit-scrollbar-thumb {
    background-color: #94a3b8;
    border-radius: 10px;
    border: 2px solid #f1f5f9;
}

.table-scroll-container::-webkit-scrollbar-thumb:hover {
    background-color: #64748b;
}

/* Footer / buttons area */
#sessionsModal .modal-footer {
    padding-top: 1.25rem;
    border-top: 1px solid #e2e8f0;
    margin-top: auto;           /* pushes to bottom */
}


.updates-scroll-container {
    flex-grow: 1;
    overflow-y: auto;
    min-height: 0;
    padding-right: 0.5rem;
}
.updates-scroll-container::-webkit-scrollbar { width: 8px; }
.updates-scroll-container::-webkit-scrollbar-track { background: var(--bg-color); border-radius: 10px; }
.updates-scroll-container::-webkit-scrollbar-thumb { background-color: #cdd8e4; border-radius: 10px; border: 2px solid var(--bg-color); }
.updates-scroll-container::-webkit-scrollbar-thumb:hover { background-color: #9ea9b8; }
tbody tr.alert-row { background-color: #fee2e2; }
tbody tr.alert-row:hover { background-color: #fecaca; }
.progress-bar-container {
    width: 100%;
    background-color: var(--border-color);
    border-radius: 9999px;
    height: 10px;
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    border-radius: 9999px;
    width: 0%;
    transition: width 1.2s cubic-bezier(0.23, 1, 0.32, 1);
}
.progress-bar.success { background-color: var(--accent-success); }
.progress-bar.warning { background-color: var(--accent-warning); }
.progress-bar.danger { background-color: var(--accent-danger); }
.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 0.4rem;
}
.status-dot.active { background-color: var(--accent-success); }
.status-dot.inactive { background-color: var(--accent-danger); }
.status-dot.pending { background-color: var(--accent-warning); }
.updates-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.update-item {
    background: linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 100%);
    border: 1px solid #eef3f8;
    border-radius: 1rem;
    padding: 1.25rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
    transition: all 0.2s ease-in-out;
    animation: slideInLeft 0.7s cubic-bezier(0.25, 1, 0.5, 1) forwards;
    opacity: 0;
    transform: translateX(-10px);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.update-item:hover {
    transform: translateX(0px) scale(1.01);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.update-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}
.update-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--accent-main);
    margin-top: 0.25rem;
}
.update-content strong {
    color: var(--accent-main);
    font-size: 1rem;
    font-weight: 700;
}
.update-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
    opacity: 0.8;
    text-align: right;
    white-space: nowrap;
}
.update-notes {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-top: 0.25rem;
}
.update-item:nth-child(even) { animation-delay: 0.05s; }
.update-item:nth-child(odd) { animation-delay: 0.1s; }
.update-item:nth-child(3n) { animation-delay: 0.15s; }
.update-item:nth-child(4n) { animation-delay: 0.2s; }
@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0px); }
}
/* Issues Modal */
#issuesModal {
    display: none;
    position: fixed;
    z-index: 10001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}
#issuesModal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}
.issues-modal-content {
    background-color: #fefefe;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
}
.issues-list {
    list-style: none;
    padding: 0;
}
.issue-item {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 0.5rem;
    position: relative;
}
.issue-status-select {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem;
    border: 1px solid #d1d5db;
    border-radius: 0.25rem;
    font-size: 0.75rem;
}
.issues-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}
.issues-filter {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.issues-filter select {
    padding: 0.5rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    font-size: 0.875rem;
}
.export-btn {
    background-color: #040608;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    cursor: pointer;
    font-size: 0.875rem;
}
.export-btn:hover {
    background-color: #2563eb;
}
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}
.status-badge.unresolved {
    background-color: #fee2e2;
    color: #dc2626;
}
.status-badge.inprogress {
    background-color: #fef3c7;
    color: #d97706;
}
.status-badge.resolved {
    background-color: #d1fae5;
    color: #059669;
}
/* Hierarchy Styles */
.hierarchy-ul {
    list-style: none;
    padding: 0;
}
.hierarchy-ul li {
    margin: 0.5rem 0;
    padding: 0.25rem;
    border-left: 2px solid var(--accent-light);
    padding-left: 1rem;
}
.hierarchy-toggle {
    cursor: pointer;
    color: var(--accent-main);
    font-weight: 600;
}
.hierarchy-toggle:hover {
    text-decoration: underline;
}
.hierarchy-ul ul {
    padding-left: 1rem;
    border-left: 2px solid var(--accent-success);
}
input[type="checkbox"] {
    appearance: auto;
}
/* Custom Checkbox for Hierarchy */
.custom-checkbox {
    position: relative;
    display: flex;
    align-items: center;
    cursor: pointer;
    margin-left: 1rem;
}
.custom-checkbox input[type="checkbox"] {
    opacity: 0;
    position: absolute;
    width: 0;
    height: 0;
}
.custom-checkbox .checkmark {
    position: relative;
    width: 20px;
    height: 20px;
    background-color: white;
    border: 2px solid #ddd;
    border-radius: 4px;
    margin-right: 0.5rem;
    flex-shrink: 0;
}
.custom-checkbox input[type="checkbox"]:checked ~ .checkmark {
    background-color: var(--accent-success);
    border-color: var(--accent-success);
}
.custom-checkbox .checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}
.custom-checkbox input[type="checkbox"]:checked ~ .checkmark:after {
    display: block;
}
/* Toast Notification */
#toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: #10b981;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10002;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    font-weight: 500;
}
#toast.show {
    transform: translateX(0);
}
#toast.error {
    background-color: #ef4444;
}
/* Missing Trainer Forms Styles */
.missing-box {
    background-color: #fee2e2;
    border: 1px solid #fecaca;
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-top: 1rem;
}
.missing-list {
    list-style: none;
    padding: 0;
}
.missing-list li {
    background: white;
    margin: 0.5rem 0;
    padding: 0.75rem;
    border-radius: 0.5rem;
    border-left: 4px solid #ef4444;
}
.no-missing {
    color: #059669;
    text-align: center;
    font-weight: bold;
}