/* Custom application styles for Bulma */

/* ==========================================================================
   CSS CUSTOM PROPERTIES
   ========================================================================== */

:root {
    /* Brand colors */
    --color-primary: hsl(204, 86%, 53%);
    --color-success: hsl(141, 53%, 31%);
    --color-success-light: hsl(141, 53%, 41%);
    --color-info: hsl(206, 70%, 41%);
    --color-warning: hsl(44, 100%, 32%);
    --color-danger: hsl(348, 86%, 61%);
    --color-turbo: hsl(171, 100%, 41%);

    /* Neutral grays */
    --color-gray-lightest: hsl(0, 0%, 86%);
    --color-gray-light: hsl(0, 0%, 80%);
    --color-gray-medium: hsl(0, 0%, 71%);
    --color-gray-dark: hsl(0, 0%, 48%);
    --color-text: hsl(0, 0%, 21%);
    --color-text-light: hsl(0, 0%, 29%);

    /* Background colors */
    --bg-highlight: hsl(48, 100%, 96%);
    --bg-sum: hsl(141, 53%, 93%);
    --bg-buffer: hsl(206, 70%, 93%);
    --bg-total: hsl(44, 100%, 90%);
    --bg-muted: hsl(0, 0%, 98%);
    --bg-dragging: hsl(48, 100%, 96%);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;

    /* Spacing (matching Bulma) */
    --gap-small: 0.25rem;
    --gap-medium: 0.5rem;
    --gap-large: 0.75rem;
}

/* ==========================================================================
   ESTIMATION ITEMS TABLE - Layout Stability
   ========================================================================== */

.estimation-items-index {
    table-layout: fixed;
    margin-top: 1.5rem;
}

/* Column widths for stable layout */
.estimation-items-index .col-drag {
    width: 40px;
}

.estimation-items-index .col-calculation {
    width: 180px;
}

.estimation-items-index .col-fixed {
    width: 50px;
}

.estimation-items-index .col-title {
    width: auto;
}

.estimation-items-index .col-actions {
    width: 80px;
}

/* Ensure cells don't overflow and cause jumping */
.estimation-items-index td {
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: middle;
}

/* ==========================================================================
   DRAG HANDLE
   ========================================================================== */

.drag-handle {
    cursor: move;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-gray-medium);
    transition: color var(--transition-fast);
}

.drag-handle:hover {
    color: var(--color-gray-dark);
}

/* Dragging state */
tr.dragging {
    opacity: 0.5;
    background-color: var(--bg-dragging);
}

/* ==========================================================================
   CALCULATION DISPLAY (Qty × Value = Total)
   ========================================================================== */

.calculation-group {
    display: inline-flex;
    align-items: baseline;
    gap: var(--gap-small);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.calculation-group .quantity {
    color: var(--color-gray-dark);
    font-size: 0.875rem;
}

.calculation-group .quantity .editable-field {
    display: inline;
}

.calculation-group .value .editable-field {
    display: inline;
}

.calculation-group .equals {
    color: var(--color-gray-medium);
    margin: 0 0.125rem;
}

.calculation-group .total {
    font-weight: 600;
    color: var(--color-text-light);
    min-width: 2em;
    text-align: right;
}

/* ==========================================================================
   ITEM TITLE STYLING
   ========================================================================== */

.col-title {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.col-title .editable-field .editable-display {
    border-bottom-color: var(--color-gray-lightest);
}

/* ==========================================================================
   FIXED TOGGLE BUTTON
   ========================================================================== */

.fixed-toggle {
    display: inline;
}

button.fixed-button.button {
    border: none;
    background: transparent;
    box-shadow: none;
    padding: 0.25rem;
    cursor: pointer;
    transition:
        transform var(--transition-fast),
        color var(--transition-fast);
}

button.fixed-button.button:hover {
    transform: scale(1.2);
    background: transparent;
    box-shadow: none;
}

.fixed-button.is-active,
.fixed-button .fa-thumbtack {
    color: var(--color-primary);
}

.fixed-button .fa-circle {
    color: var(--color-gray-lightest);
}

/* ==========================================================================
   TRACKING MODE TOGGLE
   ========================================================================== */

.tracking-toggle-container {
    display: flex;
    align-items: center;
    gap: var(--gap-large);
    padding: 0.75rem 1rem;
    background: var(--bg-muted);
    border-radius: 6px;
    margin-bottom: 1rem;
}

.tracking-toggle-label {
    font-weight: 500;
    color: var(--color-text-light);
    user-select: none;
}

.tracking-toggle-button {
    position: relative;
    width: 50px;
    height: 28px;
    background: var(--color-gray-lightest);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    transition: background-color var(--transition-medium);
    padding: 0;
}

.tracking-toggle-button:hover {
    background: hsl(0, 0%, 76%);
}

.tracking-toggle-button.is-active {
    background: var(--color-turbo);
}

.tracking-toggle-button.is-active:hover {
    background: hsl(171, 100%, 36%);
}

.tracking-toggle-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: white;
    border-radius: 50%;
    transition: transform var(--transition-medium);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.tracking-toggle-button.is-active .tracking-toggle-thumb {
    transform: translateX(22px);
}

/* ==========================================================================
   RESULTS DISPLAY
   ========================================================================== */

.estimation-summary {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.estimation-summary .summary-row {
    display: flex;
    align-items: center;
    gap: var(--gap-medium);
    flex-wrap: wrap;
}

.estimation-summary .summary-item {
    display: inline-flex;
    align-items: baseline;
    gap: 0.35rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-variant-numeric: tabular-nums;
}

.estimation-summary .summary-item.is-sum {
    background: var(--bg-sum);
}

.estimation-summary .summary-item.is-sum .summary-value {
    color: var(--color-success);
}

.estimation-summary .summary-item.is-buffer {
    background: var(--bg-buffer);
}

.estimation-summary .summary-item.is-buffer .summary-value {
    color: var(--color-info);
}

.estimation-summary .summary-item.is-total {
    background: var(--bg-total);
}

.estimation-summary .summary-item.is-total .summary-value {
    color: var(--color-warning);
}

.estimation-summary .summary-label {
    font-size: 0.75rem;
    color: var(--color-gray-dark);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.estimation-summary .summary-value {
    font-size: 1.25rem;
    font-weight: 600;
}

.estimation-summary .summary-operator {
    color: var(--color-gray-medium);
    font-size: 1.25rem;
    padding: 0 var(--gap-small);
}

/* Tracking mode results */
.tracking-results {
    margin-top: 1rem;
}

.tracking-results .tracking-progress {
    font-size: 1.5rem;
    font-weight: 600;
}

.tracking-results .tracking-progress .actual {
    color: var(--color-success-light);
}

.tracking-results .tracking-progress .total {
    color: hsl(44, 100%, 42%);
}

/* ==========================================================================
   EDITABLE FIELDS
   ========================================================================== */

.editable-field {
    display: inline-block;
    min-width: 2em;
    position: relative;
}

/* Prevent layout shift when editing */
.editable-field.quantity {
    min-width: 1.5em;
}

.editable-field.value {
    min-width: 2.5em;
}

.editable-field.title {
    min-width: 4em;
    max-width: 100%;
}

/* Display state (default - visible) */
.editable-field .editable-display {
    border-bottom: 1px dashed var(--color-gray-light);
    position: relative;
    display: inline-block;
    cursor: pointer;
    padding: 0.125rem 0.25rem;
    border-radius: 2px;
    transition: background-color var(--transition-fast);
}

.editable-field .editable-display:hover {
    background-color: var(--bg-highlight);
}

/* Pencil icon - tiny, top-right, overlaid */
.editable-field .editable-display::after {
    content: "\270E";
    position: absolute;
    top: -0.4em;
    right: -0.5em;
    font-size: 0.65em;
    color: hsl(0, 0%, 70%);
    opacity: 0;
    transition: opacity var(--transition-fast);
    pointer-events: none;
    z-index: 10;
    text-shadow:
        -1px -1px 0 white,
        1px -1px 0 white,
        -1px 1px 0 white,
        1px 1px 0 white;
}

.editable-field .editable-display:hover::after {
    opacity: 1;
}

/* Edit form (default - hidden) */
.editable-field .editable-form {
    display: none;
}

/* Readonly state - no interactive styling */
.editable-field.is-readonly .editable-display {
    border-bottom: none;
    cursor: default;
    padding: 0;
}

.editable-field.is-readonly .editable-display:hover {
    background-color: transparent;
}

.editable-field.is-readonly .editable-display::after {
    display: none;
}

/* When editing: hide display, show form */
.editable-field.editing .editable-display {
    display: none;
}

.editable-field.editing .editable-form {
    display: inline-flex;
}

/* Compact inline form styling */
.editable-form .field.has-addons {
    display: inline-flex;
    margin-bottom: 0;
}

.editable-form .input.is-small {
    width: 4em;
    padding: 0.25rem 0.5rem;
    font-variant-numeric: tabular-nums;
}

/* Wider input for title fields */
.editable-field.title .editable-form .input.is-small {
    width: 10em;
}

.editable-form .button.is-small {
    padding: 0.25rem 0.4rem;
}

/* ==========================================================================
   DELETE BUTTON
   ========================================================================== */

.estimation-items-index .delete-button {
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.estimation-items-index tr:hover .delete-button {
    opacity: 1;
}

/* ==========================================================================
   ADD NEW ITEM FORM
   ========================================================================== */

.new-item-form {
    margin-bottom: 1.5rem;
}

.new-item-form .field.has-addons {
    margin-bottom: 0;
}

.new-item-form .input-value {
    width: 6rem;
    font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   TURBO PROGRESS BAR
   ========================================================================== */

.turbo-progress-bar {
    height: 3px;
    background-color: var(--color-turbo);
}

/* ==========================================================================
   FLASH NOTIFICATIONS
   ========================================================================== */

.notification {
    margin-bottom: 0;
}

/* ==========================================================================
   PAGE LAYOUT
   ========================================================================== */

.container {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

#estimation_title h1 {
    margin-bottom: 1rem;
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes highlight-flash {
    0% {
        background-color: hsl(48, 100%, 67%);
    }
    100% {
        background-color: transparent;
    }
}

.highlight-flash {
    animation: highlight-flash 1s ease-out;
}

/* Smooth transitions for interactive elements */
.button,
.input {
    transition: all var(--transition-fast);
}

/* ==========================================================================
   ESTIMATIONS INDEX PAGE
   ========================================================================== */

#estimations-index {
    margin-bottom: 0;
}

/* Table layout and column widths */
.estimations-table {
    table-layout: fixed;
}

.estimations-table .col-estimation-title {
    width: auto;
}

.estimations-table .col-estimation-mode {
    width: 110px;
}

.estimations-table .col-estimation-calculation {
    width: 200px;
}

.estimations-table .col-estimation-actions {
    width: 60px;
}

/* Row styling */
.estimation-row {
    position: relative;
    transition: background-color 0.15s ease;
}

.estimation-row:hover {
    background-color: hsl(0, 0%, 96%);
}

/* Remove padding from all cells - wrappers handle it */
.estimation-row td {
    padding: 0;
}

/* Consistent flex wrapper for cell content alignment */
.estimation-row .cell-content {
    display: flex;
    align-items: center;
    min-height: 3rem;
    padding: 0.5em 0.75em;
}

.estimation-row .cell-content.has-text-centered {
    justify-content: center;
}

.estimation-row .cell-content.has-text-right {
    justify-content: flex-end;
}

/* Clickable row link - stretches across title cell */
.estimation-title-cell {
    position: relative;
}

.estimation-row-link {
    display: flex;
    align-items: center;
    min-height: 3rem;
    padding: 0.5em 0.75em;
    text-decoration: none;
    color: inherit;
}

.estimation-row-link:hover {
    text-decoration: none;
}

.estimation-title {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--color-text);
}

.estimation-row:hover .estimation-title {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Mode indicator cell */

.estimation-mode-cell .tag {
    font-size: 0.75rem;
}

.estimation-mode-cell .tag .icon {
    margin-right: 0.25em;
}

/* Calculation cell */
.estimation-calculation-cell {
    font-variant-numeric: tabular-nums;
}

.estimation-calculation-cell .calculation-value {
    font-weight: 600;
}

/* Planning mode colors - match show view */
.estimation-calculation-cell .calculation-value.is-sum {
    color: var(--color-success);
}

.estimation-calculation-cell .calculation-value.is-buffer {
    color: var(--color-info);
}

.estimation-calculation-cell .calculation-value.is-total {
    color: var(--color-warning);
}

/* Tracking mode colors */
.estimation-calculation-cell .calculation-value.is-actual {
    color: var(--color-success-light);
}

.estimation-calculation-cell .calculation-operator {
    color: var(--color-gray-medium);
    font-size: 0.875rem;
}

/* Separator between progress and buffer health */
.estimation-calculation-cell .calculation-separator {
    display: inline-block;
    width: 1px;
    height: 1em;
    background-color: var(--color-gray-lightest);
    margin: 0 var(--gap-small);
    vertical-align: middle;
}

/* Actions cell - stable delete button */

button.delete-estimation-button.button {
    opacity: 0.5;
    transition:
        opacity var(--transition-fast),
        background-color var(--transition-fast),
        border-color var(--transition-fast);
    /* Prevent jumpiness: consistent border in all states */
    border: 1px solid transparent;
}

.estimation-row:hover .delete-estimation-button {
    opacity: 1;
}

button.delete-estimation-button.button:hover {
    opacity: 1;
    border-color: var(--color-danger);
}

/* Empty state */
.empty-state {
    padding: 3rem 1.5rem;
    background-color: var(--bg-muted);
    border-radius: 6px;
}

.empty-state p:first-child {
    color: var(--color-text-light);
}

/* ==========================================================================
   BUFFER CONSUMPTION
   ========================================================================== */

.buffer-consumption {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-muted);
    border-radius: 6px;
}

.buffer-consumption .buffer-label {
    font-size: 0.875rem;
    color: var(--color-gray-dark);
    margin-bottom: 0.5rem;
}

.buffer-consumption .buffer-value {
    font-size: 1.5rem;
    font-weight: 600;
}

/* ==========================================================================
   RESPONSIVE ADJUSTMENTS
   ========================================================================== */

@media screen and (max-width: 768px) {
    /* Hide drag column on mobile - can't drag easily on touch devices */
    .estimation-items-index {
        table-layout: auto;
    }

    .estimation-items-index .col-drag,
    .estimation-items-index td:first-child {
        display: none;
    }

    /* Reduce fixed indicator column width */
    .estimation-items-index .col-fixed {
        width: 30px;
    }

    /* Let calculation column flow naturally */
    .estimation-items-index .col-calculation {
        width: auto;
    }

    /* Larger touch targets on mobile */
    .drag-handle {
        width: 50px;
        padding: 0.75rem;
    }

    .fixed-button {
        padding: 0.5rem;
    }

    .tracking-toggle-button {
        width: 56px;
        height: 32px;
    }

    .tracking-toggle-thumb {
        width: 26px;
        height: 26px;
    }

    .tracking-toggle-button.is-active .tracking-toggle-thumb {
        transform: translateX(24px);
    }

    /* Better table handling on mobile */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .field.is-grouped {
        flex-wrap: wrap;
    }

    .field.is-grouped > .control {
        margin-bottom: 0.5rem;
    }

    /* Summary keeps equation visible on mobile */
    .estimation-summary .summary-row {
        display: grid;
        grid-template-columns: 1fr auto 1fr auto 1fr;
        gap: var(--gap-small);
        align-items: center;
    }

    .estimation-summary .summary-item {
        flex-direction: column;
        padding: 0.5rem;
        text-align: center;
    }

    .estimation-summary .summary-operator {
        display: block;
        font-size: 1rem;
        padding: 0;
    }

    /* Estimations index table responsive */
    .estimations-table .col-estimation-mode {
        width: 90px;
    }

    .estimations-table .col-estimation-calculation {
        width: 170px;
    }

    .estimation-mode-cell .tag span:not(.icon) {
        /* Hide text label, keep icon on mobile */
        display: none;
    }

    .estimation-mode-cell .tag .icon {
        margin-right: 0;
    }

    .estimation-title {
        font-size: 1rem;
    }

    /* Larger touch target for delete button on mobile */
    .delete-estimation-button {
        opacity: 1;
        min-width: 44px;
        min-height: 44px;
    }

    /* Ensure delete buttons in estimation items table are always visible on mobile */
    .estimation-items-index .delete-button {
        opacity: 1;
        min-width: 44px;
        min-height: 44px;
    }

    /* Touch-friendly input sizing for tracking mode */
    .editable-form .input.is-small {
        min-height: 44px;
        font-size: 16px; /* Prevents iOS zoom on focus */
    }
}

/* ==========================================================================
   ACCESSIBILITY
   ========================================================================== */

/* Better focus states */
.button:focus,
.input:focus,
.editable-display:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Ensure icons in buttons don't capture pointer events */
.icon {
    pointer-events: none;
}