/*!
 * @file        layout.css
 * @description Layout structure - grid, toolbar, sidebars, panels
 * @author      Eltryus - Ricardo Marques
 * @copyright   2025-2026 Eltryus - Ricardo Marques
 * @see         {@link https://github.com/RicardoJCMarques/EasyTrace5000}
 * @license     AGPL-3.0-or-later
 */

/*
 * EasyTrace5000 - Advanced PCB Isolation CAM Workspace
 * Copyright (C) 2025-2026 Eltryus
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

/* ============================================================================
   TOOLBAR
   ============================================================================ */

.toolbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--toolbar-height);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
    z-index: var(--z-sticky);
}

.toolbar-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.toolbar-left {
    flex: 1;
    justify-content: flex-start;
}

.toolbar-center {
    flex: 0 0 auto;
}

.toolbar-right {
    flex: 1;
    justify-content: flex-end;
    gap: var(--spacing-xs);
}

.toolbar-separator,
.toolbar .separator {
    width: 1px;
    height: 1.25rem;
    background: var(--color-border-secondary);
    margin: 0 var(--spacing-sm);
}

.workspace-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: 0;
    line-height: 1;
    color: var(--color-text-primary);
    white-space: nowrap;
}

/* ============================================================================
   MAIN WORKSPACE GRID
   ============================================================================ */

.workspace {
    display: grid;
    grid-template-columns: var(--sidebar-left-width) 1fr var(--sidebar-right-width);
    height: calc(100vh - var(--toolbar-height) - var(--status-bar-height));
    margin-top: var(--toolbar-height);
    width: 100vw;
    overflow: hidden;
}

.workspace-main {
    position: relative;
    background: var(--color-bg-primary);
    overflow: hidden;
}

/* ============================================================================
   SIDEBARS
   ============================================================================ */

.sidebar {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-primary);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-left {
    border-right: 1px solid var(--color-border-primary);
}

.sidebar-right {
    border-left: 1px solid var(--color-border-primary);
}

.sidebar-section {
    display: flex;
    flex-direction: column;
    border-bottom: 2px solid var(--color-border-primary);
}

.sidebar-section:last-child {
    border-bottom: none;
}

.sidebar-section + .sidebar-section .section-header {
    border-top: 1px solid var(--color-bg-hover);
}

/* Section Headers */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--section-header-height);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border-primary);
    flex-shrink: 0;
}

.section-header h2 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
}

.section-actions {
    display: flex;
    gap: var(--spacing-xs);
}

/* Collapsible sections */
.section-header.collapsible {
    cursor: pointer;
    user-select: none;
}

.section-header.collapsible:hover {
    background: var(--color-bg-hover);
}

.collapse-indicator {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.collapse-indicator.collapsed {
    transform: rotate(-90deg);
}

.section-content {
    flex: 1;
    padding: var(--spacing-md);
}

.section-content.collapsed {
    display: none;
}

/* End of section highlights */
.sidebar-section.coordinate-section:has(.section-content:not(.collapsed)),
.sidebar-section.machine-section:has(.section-content:not(.collapsed)) {
    border-bottom: 2px solid var(--color-accent-primary);
}

/* ============================================================================
   FOOTER & STATUS BAR
   ============================================================================ */

.footer-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--status-bar-height);
    background: var(--color-bg-tertiary);
    border-top: 1px solid var(--color-border-primary);
    display: grid;
    grid-template-columns: var(--sidebar-left-width) 1fr auto;
    align-items: center;
    font-size: var(--font-size-sm);
    z-index: var(--z-sticky);
}

/* Left-aligned content in the left grid cell */
.status-left {
    display: flex;
    align-items: center;
    padding-left: var(--spacing-lg);
    position: relative;
    height: 100%;
}

/* Right-aligned content in the right grid cell */
.status-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: var(--spacing-lg);
    height: 100%;
}

/* Clickable status bar in the center grid cell */
.status-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-md);
    height: 100%;
    cursor: pointer;
    overflow: hidden;
    position: relative;
}

/* Clickable icon for the log toggle */
.log-toggle-icon {
    font-size: 0.625rem;
    color: var(--color-text-secondary);
    transform: rotate(180deg);
}

.status-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--color-text-secondary);
}

/* Status colors */
.status-text.success { color: var(--color-success); }
.status-text.warning { color: var(--color-warning); }
.status-text.error { color: var(--color-error); }
.status-text.info { color: var(--color-info); }

/* Progress bar */
.status-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
}

/* Log Panel */
.status-log-panel {
    position: fixed;
    bottom: var(--status-bar-height);
    left: var(--sidebar-left-width);
    right: var(--sidebar-right-width);
    height: 0;
    background: var(--color-bg-primary);
    border-top: 1px solid var(--color-border-primary);
    border-left: 1px solid var(--color-border-primary);
    border-right: 1px solid var(--color-border-primary);
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    z-index: var(--z-dropdown);
}

.status-log-history {
    padding: var(--spacing-md);
    height: 100%;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    word-break: break-word;
}

/* Expanded state */
.footer-bar.is-expanded .log-toggle-icon {
    transform: rotate(0deg);
}

.status-log-panel.is-expanded {
    height: 12.5rem;
    opacity: 1;
    visibility: visible;
}

.status-info {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.license-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-hint);
    font-size: var(--font-size-xs);
}

.license-info a {
    color: var(--color-text-secondary);
    text-decoration: none;
}

.license-info a:hover {
    color: var(--color-accent-primary);
    text-decoration: underline;
}

/* Viz Panel */
.viz-panel {
    position: absolute;
    bottom: calc(100% + var(--spacing-sm));
    left: 0;
    min-width: 16.25rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    transform-origin: bottom left;
}

.viz-panel.collapsed {
    display: none;
}

.viz-panel .section-header .collapse-indicator {
    display: none;
}

.viz-panel .section-content {
    max-height: 22.5rem;
    overflow-y: auto;
    padding: var(--spacing-md);
}

/* ============================================================================
   OPERATIONS TREE
   ============================================================================ */

.browser-section {
    flex: 1;
    min-height: 0;
}

.tree-view {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.operation-category {
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius);
    overflow: hidden;
}

.category-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-tertiary);
    cursor: pointer;
    min-height: var(--touch-target-compact);
}

.category-header:hover {
    background: var(--color-bg-hover);
}

.tree-expand-icon {
    width: 1rem;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.operation-category.expanded .tree-expand-icon {
    transform: rotate(90deg);
}

.category-icon {
    margin: 0 var(--spacing-sm);
    font-size: var(--font-size-lg);
    display: flex;
    align-items: center;
}

.category-icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

.category-label {
    flex: 1;
    font-weight: 500;
    font-size: var(--font-size-sm);
}

.add-file-btn {
    opacity: 1;
}

.category-files {
    display: none;
    padding: var(--spacing-xs);
    background: var(--color-bg-secondary);
}

.operation-category.expanded .category-files {
    display: block;
}

/* File nodes */
.file-node {
    position: relative;
    margin-bottom: var(--spacing-xs);
}

.file-node-content {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--color-bg-primary);
    cursor: pointer;
    border-radius: var(--radius);
    min-height: var(--touch-target-compact);
}

.file-node-content:hover {
    background: var(--color-bg-hover);
}

.file-node-content.selected {
    background: var(--color-bg-active);
    border-left: 3px solid var(--color-accent-primary);
    padding-left: calc(var(--spacing-sm) - 3px);
}

.file-icon {
    margin: 0 var(--spacing-xs) 0 var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.file-label {
    flex: 1;
    font-size: var(--font-size-sm);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Geometry nodes under files */
.file-geometries {
    display: block;
    padding-left: var(--spacing-xl);
    background: var(--color-bg-primary);
}

.geometry-node {
    display: flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-left: 2px solid var(--color-border-primary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    min-height: var(--touch-target-compact);
}

.geometry-node:hover {
    background: var(--color-bg-hover);
    border-left-color: var(--color-accent-primary);
}

.geometry-node.selected {
    background: var(--color-bg-hover);
    border-left-color: var(--color-accent-primary);
}

.geometry-node-content {
    display: flex;
    align-items: center;
    width: 100%;
}

.geometry-icon {
    width: 1rem;
    text-align: center;
    margin-right: var(--spacing-xs);
}

.geometry-label {
    flex: 1;
    color: var(--color-text-secondary);
}

.geometry-info {
    margin: 0 var(--spacing-sm);
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-hint);
}

/* ============================================================================
   PROPERTY INSPECTOR
   ============================================================================ */

.inspector-section {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.inspector-section .section-header {
    flex-shrink: 0;
}

.inspector-section .property-form {
    flex: 1;
}

.property-form {
    padding: var(--spacing-lg);
}

.property-empty {
    padding: var(--spacing-xl);
    text-align: center;
    color: var(--color-text-hint);
}

.property-section {
    margin-bottom: var(--spacing-xl);
}

.property-section h3 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border-primary);
}

.property-field {
    margin-bottom: var(--spacing-lg);
}

.property-field label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.property-field[tabindex] {
    cursor: pointer;
}

.property-field[tabindex]:hover {
    background: var(--color-bg-hover);
    border-radius: var(--radius);
}

.property-actions {
    background: var(--color-bg-secondary);
    padding: var(--spacing-md) 0 0 0;
    margin-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border-primary);
}

/* Origin Section */
.origin-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-primary);
}

.origin-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.origin-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.origin-buttons + .origin-buttons {
    margin-top: var(--spacing-sm);
}

/* ============================================================================
   COORDINATE DISPLAY
   ============================================================================ */

.coordinate-display {
    position: static;
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-left: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 1px solid var(--color-border-secondary);
    height: 60%;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    border-top: none;
    border-right: none;
    border-bottom: none;
}

.coord-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
}

.coord-value {
    color: var(--color-text-primary);
    min-width: 2.5rem;
}

/* ============================================================================
   UPLOAD ZONES
   ============================================================================ */

.upload-zones {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.upload-zone {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius);
    padding: var(--spacing-md);
}

.zone-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.zone-header h3 {
    font-size: var(--font-size-base);
    font-weight: 500;
}

.zone-icon {
    font-size: var(--font-size-xl);
}

.file-drop-zone {
    min-height: 7.5rem;
    border: 2px dashed var(--color-border-secondary);
    border-radius: var(--radius);
    padding: var(--spacing-lg);
    text-align: center;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.file-drop-zone:hover {
    border-color: var(--color-accent-primary);
    background: var(--color-bg-hover);
}

.file-drop-zone.dragging {
    border-color: var(--color-accent-primary);
    background: var(--color-bg-active);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.file-types {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.zone-status {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    min-height: 1.25rem;
}

.zone-status.success {
    color: var(--color-success);
}

.zone-status.error {
    color: var(--color-error);
}

/* ============================================================================
   LOADING OVERLAY
   ============================================================================ */

.loading-overlay {
    position: fixed;
    inset: 0;
    background: var(--color-bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

.loading-overlay.hidden {
    display: none;
}

.loading-message {
    margin-top: var(--spacing-lg);
    color: var(--color-text-primary);
}

.loading-progress {
    margin-top: var(--spacing-sm);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

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

/* Narrower screens (< 1024px) */
@media (max-width: 1024px) {
    /* Simplify footer license info */
    .license-info span:not(:first-child):not(:last-child) {
        display: none;
    }
}

/* Small screens (< 768px) */
@media (max-width: 768px) {
    .toolbar {
        padding: 0 var(--spacing-sm);
    }

    .toolbar-separator {
        display: none;
    }

    .status-left {
        padding-left: var(--spacing-sm);
    }

    .status-right {
        padding-right: var(--spacing-sm);
    }
}