/* --- Styles for Hover Actions on Grid Rows --- */
.vikcraft-gantt-container *,
.vikcraft-gantt-container *::before,
.vikcraft-gantt-container *::after {
    box-sizing: border-box;
}

.gantt-task-actions {
    display: none;
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    z-index: 2;
}

.gantt-grid-row:hover .gantt-task-actions {
    display: flex;
}

.gantt-action-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: 4px;
}
.gantt-action-btn:hover {
    background-color: #e9ecef;
}
.gantt-action-btn.delete:hover {
    background-color: #ffebee;
    color: var(--danger-color);
}

:root {
    --primary-color: #007bff;
    --primary-hover-color: #0056b3;
    --secondary-color: #6c757d;
    --task-bar-color: #5dade2;
    --task-bar-progress-color: #2e86c1;
    --border-color: #e0e0e0;
    --header-bg-color: #f8f9fa;
    --row-hover-bg-color: #f1f8ff;
    --text-color: #333;
    --text-color-light: #666;
    --white-color: #fff;
    --danger-color: #dc3545;
    --danger-hover-color: #c82333;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f4f7fa;
    padding: 20px;
    margin: 0;
}

h1 {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 20px;
}

.vikcraft-gantt-container {
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--white-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    height: 70vh;
}

.gantt-chart-container > .gantt-header {
    position: sticky;
    top: 0;
    z-index: 4; /* Keep it on top */
}

.gantt-resizer {
    width: 5px;
    background-color: #e9ecef;
    cursor: col-resize;
    flex-shrink: 0;
    z-index: 10;
}
.gantt-resizer:hover {
    background-color: var(--primary-color);
}

.gantt-grid-container {
    width: 550px;
    min-width: 300px;
    border-right: none;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.gantt-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--header-bg-color);
    border-bottom: 1px solid var(--border-color);
    padding: 0 10px;
    height: 50px;
    flex-shrink: 0;
}

.gantt-header-title {
    font-weight: 600;
    color: var(--text-color);
}

.btn-add-task {
    background-color: var(--primary-color);
    color: var(--white-color);
    border: none;
    border-radius: 5px;
    padding: 6px 12px;
    cursor: pointer;
    font-weight: 500;
}
.btn-add-task:hover {
    background-color: var(--primary-hover-color);
}

.gantt-grid-header {
    display: flex;
    font-weight: 600;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    background-color: #fcfcfc;
    height: 40px;
    align-items: center;
    flex-shrink: 0;
}
.gantt-grid-header .gantt-grid-cell {
    position: relative;
}
.gantt-header-resizer {
    width: 5px;
    height: 100%;
    cursor: col-resize;
    background-color: #f0f0f0;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 1;
}
.gantt-header-resizer:hover {
    background-color: var(--primary-color);
}


.gantt-grid-body {
    overflow-y: auto;
    flex-grow: 1;
}

.gantt-grid-row {
    display: flex;
    align-items: center;
    border-bottom: 1px solid #f0f0f0;
    background-color: var(--white-color);
    position: relative;
}

.gantt-grid-row:hover {
    background-color: var(--row-hover-bg-color);
}

.gantt-grid-cell {
    padding: 0 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    border-right: 1px solid #f0f0f0;
    height: 100%;
}
.gantt-grid-cell:last-child {
    border-right: none;
}
.task-name-indent {
    padding-left: var(--indent-padding, 0px);
}

.gantt-chart-container {
    flex-grow: 1;
    overflow-x: auto;
    overflow-y: auto; /* <-- ADD THIS LINE */
    display: flex;
    flex-direction: column;
}

.gantt-controls {
    display: flex;
    gap: 8px;
}
.gantt-controls button {
    background: none;
    border: 1px solid transparent;
    border-radius: 5px;
    cursor: pointer;
    padding: 5px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s, border-color 0.2s;
    font-weight: 500;
}
.gantt-controls button:hover {
    background-color: #e9ecef;
}
.gantt-controls button.active {
    background-color: var(--primary-color);
    color: var(--white-color);
}

.gantt-timeline-header {
    display: flex;
    background-color: var(--header-bg-color);;
    position: sticky;
    top: 50px; /* This value is the height of the header above it */
    z-index: 3;
    height: 40px;
    border-bottom: 1px solid var(--border-color);
}

.gantt-timeline-cell {
    flex-shrink: 0;
    text-align: center;
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color-light);
    font-size: 12px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.gantt-timeline-cell .month-marker {
    position: absolute;
    top: -20px; /* Position above the day/week cells */
    left: 0;
    font-weight: bold;
    color: var(--text-color);
    font-size: 14px;
}

.gantt-bars-container {
    position: relative;
    flex-grow: 1;
}

.gantt-grid-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(to right, #f0f0f0 1px, transparent 1px),
        linear-gradient(to bottom, #f0f0f0 1px, transparent 1px);
}

.gantt-bar {
    position: absolute;
    background-color: var(--task-bar-color);
    border-radius: 4px;
    cursor: move;
    display: flex;
    align-items: center;
    color: var(--white-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: box-shadow 0.2s, background-color 0.2s;
    z-index: 1;
}
.gantt-bar:hover {
    background-color: #4ba8d8;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    z-index: 2;
}

.gantt-bar-progress {
    height: 100%;
    background-color: var(--task-bar-progress-color);
    border-radius: 4px;
    opacity: 0.8;
}

.gantt-bar-label {
    position: absolute;
    left: 10px;
    right: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    pointer-events: none;
    font-size: 13px;
    font-weight: 500;
}

.gantt-resize-handle {
    position: absolute;
    right: 0;
    top: 0;
    width: 8px;
    height: 100%;
    cursor: ew-resize;
    z-index: 2;
}

.gantt-dependency-svg {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    overflow: visible;
}

.gantt-dependency-line {
    stroke: #ff9800;
    stroke-width: 2;
    fill: none;
    marker-end: url(#arrow);
}

.gantt-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}
.gantt-modal-overlay.visible {
    opacity: 1;
    visibility: visible;
}
.gantt-modal {
    background: var(--white-color);
    padding: 25px;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    transform: scale(0.9);
    transition: transform 0.3s;
}
.gantt-modal-overlay.visible .gantt-modal {
    transform: scale(1);
}
.gantt-modal h2 {
    margin-top: 0;
    margin-bottom: 20px;
}
.gantt-modal-content .form-group {
    margin-bottom: 15px;
}
.gantt-modal-content label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}
.gantt-modal-content input, .gantt-modal-content select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-sizing: border-box;
}
.gantt-modal-content select[multiple] {
    height: 120px;
    padding: 0;
}
.gantt-modal-content select[multiple] option {
    padding: 8px 10px;
}

.gantt-modal-actions {
    margin-top: 25px;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}
.gantt-modal-actions button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
.gantt-modal-actions .btn-save {
    background-color: var(--primary-color);
    color: var(--white-color);
}
.gantt-modal-actions .btn-save:hover {
    background-color: var(--primary-hover-color);
}
.gantt-modal-actions .btn-cancel {
    background-color: var(--secondary-color);
    color: var(--white-color);
}
.gantt-modal-actions .btn-delete {
    background-color: var(--danger-color);
    color: var(--white-color);
    margin-right: auto;
}
.gantt-modal-actions .btn-delete:hover {
    background-color: var(--danger-hover-color);
}

/* --- Add this new style --- */
.gantt-timeline-dates {
    display: flex;
    height: 100%;
}

/* --- Adjust this existing style --- */
.gantt-timeline-cell .month-marker {
    top: -20px; /* Adjust position slightly */
}

/* --- Adjust this existing style --- */
/* Replace the old .gantt-controls style with this */
.gantt-controls {
    position: sticky;
    right: 10px;
    z-index: 4;
    margin-left: auto; /* Pushes controls to the right */
    align-self: center; /* Vertically centers the controls */
    
    background-color: var(--header-bg-color);
    padding: 5px;
    border: 1px solid var(--border-color);
    border-radius: 6px;

    flex-shrink: 0;
    display: flex;
    gap: 8px;
}
/* ================================== */
/* THEME DEFINITIONS & REFINEMENTS    */
/* ================================== */

/* --- Dark Theme --- */
.vikcraft-gantt-container.gantt-dark-theme {
    /* Refined color palette */
    --primary-color: #0d6efd;
    --primary-hover-color: #3d8bfd;
    --secondary-color: #495057;
    --task-bar-color: #2c4c66;
    --task-bar-progress-color: #5dade2;
    --border-color: #404040; /* Darker border for less contrast */
    --header-bg-color: #212529;
    --row-hover-bg-color: #343a40;
    --text-color: #dee2e6;
    --text-color-light: #adb5bd;
    --white-color: #1c1c1e; /* Main background */
    --danger-color: #f25264;
    --danger-hover-color: #ff6e7e;
}

/* Set body background for dark theme */
.gantt-dark-theme, .gantt-dark-theme body {
    background-color: #121212;
    color: var(--text-color);
}

/* FIX: Task table header background and border */
.gantt-dark-theme .gantt-grid-header {
    background-color: var(--header-bg-color);
    border-bottom-color: var(--border-color);
}

/* FIX: Table cell borders were too white */
.gantt-dark-theme .gantt-grid-cell {
    border-right-color: var(--border-color);
}
.gantt-dark-theme .gantt-grid-row {
    border-bottom-color: var(--border-color);
}

/* FIX: Timeline control button text color */
.gantt-dark-theme .gantt-controls button {
    color: var(--text-color);
}

/* FIX: Timeline background grid lines were too white */
.gantt-dark-theme .gantt-grid-lines {
    background-image:
        linear-gradient(to right, var(--border-color) 1px, transparent 1px),
        linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
}

/* Other dark theme refinements */
.gantt-dark-theme .gantt-header-resizer {
    background-color: #343a40;
}
.gantt-dark-theme .gantt-header-resizer:hover {
    background-color: var(--primary-color);
}
.gantt-dark-theme .gantt-modal {
    background: #2c2c2e;
    box-shadow: 0 5px 15px rgba(0,0,0,0.5);
}
.gantt-dark-theme .gantt-modal-content input, 
.gantt-dark-theme .gantt-modal-content select {
    background-color: #3a3a3c;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}
.gantt-dark-theme .gantt-controls button:hover {
    background-color: #343a40;
}
.gantt-dark-theme .gantt-action-btn:hover {
    background-color: #343a40;
}
.gantt-dark-theme .gantt-action-btn.delete:hover {
    background-color: #5c2c31;
}

/* --- Narrow Theme --- */
.gantt-narrow-theme .gantt-grid-cell {
    padding: 0 8px;
    font-size: 13px;
}
.gantt-narrow-theme .gantt-action-btn {
    padding: 4px;
}
.gantt-narrow-theme .task-name-indent {
    padding-left: var(--indent-padding, 0px) !important;
}
.gantt-narrow-theme .gantt-bar-label {
    font-size: 12px;
    left: 8px;
    right: 8px;
}