/* ============================================================================= */
/* LAYOUT - Base layout, positioning, and global resets */
/* ============================================================================= */
/* 
   Purpose: Foundation layout styles, typography, form controls, and
   global positioning patterns used throughout the application.
*/

/* ========================================================================= */
/* GLOBAL RESETS & BASE STYLES */
/* ========================================================================= */

html,
body {
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
    font-family: var(--font-family-base);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    overflow: hidden;
}

/* ========================================================================= */
/* TYPOGRAPHY */
/* ========================================================================= */

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: var(--font-weight-semibold);
}

p {
    margin: 0;
}

/* ========================================================================= */
/* FORM CONTROLS - Unified styling */
/* ========================================================================= */

.form-control,
.form-select {
    background-color: var(--color-input-bg);
    color: var(--color-text-primary);
    border: var(--color-input-border);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="number"],
textarea,
select {
    background-color: var(--color-input-bg);
    color: var(--color-text-primary);
    border: var(--color-input-border);
}

/* ========================================================================= */
/* BOOTSTRAP OVERRIDE - Consistency layer */
/* ========================================================================= */

.card {
    background: var(--color-card-bg);
    border: none;
}

.bg-dark {
    background-color: var(--color-bg-primary) !important;
}

.text-light {
    color: var(--color-text-primary) !important;
}

.text-secondary {
    color: var(--color-text-secondary) !important;
}

/* ========================================================================= */
/* GLASS MORPHISM BASE UTILITY */
/* ========================================================================= */

.glass {
    backdrop-filter: var(--glass-blur);
    background: var(--glass-background);
    border: var(--glass-border);
}

/* ========================================================================= */
/* SCROLLBAR - Lightweight and discrete */
/* ========================================================================= */

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-track {
    background: transparent;
}

/* ========================================================================= */
/* VISIBILITY UTILITIES */
/* ========================================================================= */

.hidden {
    display: none !important;
}

.d-none {
    display: none !important;
}

.closed {
    /* Applied via JS to toggle visibility with transitions */
}

/* ========================================================================= */
/* DISABLE STATE - Shared across all fieldsets */
/* ========================================================================= */

fieldset[disabled] {
    opacity: 0.5;
    pointer-events: none;
}

/* ========================================================================= */
/* SPINNER - Loader indicator */
/* ========================================================================= */

.spinner-border {
    vertical-align: -2px;
    color: whitesmoke;
}

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

@media (max-width: 640px) {
    html, body {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    html, body {
        font-size: 13px;
    }
}

/* ========================================================================= */
/* MAIN APP LAYOUT - Flex container with map and sidebar */
/* ========================================================================= */

#appHeader {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px 16px;
    background-color: var(--color-bg-dark);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    flex-shrink: 0;
    z-index: 10;
    transition: flex-direction 0.2s, padding 0.2s;
}

#appHeader img {
    height: 28px;
    width: auto;
    flex-shrink: 0;
}

#appHeaderTitle {
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--color-text-light);
    transition: font-size 0.2s, opacity 0.2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Minimized state: header goes vertical, title shrinks, logo rotates */
.chat-sidebar-wrapper:has(.chatbox.min) #appHeader {
    flex-direction: column;
    gap: 6px;
    padding: 12px 4px;
}

.chat-sidebar-wrapper:has(.chatbox.min) #appHeader img {
    margin-top: 30px;
    margin-bottom: 35px;
    transform: rotate(90deg);
}

.chat-sidebar-wrapper:has(.chatbox.min) #appHeaderTitle {
    font-size: 0.95rem;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: 0.1em;
}

.chat-sidebar-wrapper:has(.chatbox.min) #minChat {
    padding: 5px;
    margin-top: 10px;
}

.chat-sidebar-wrapper .badge.ai-chat-badge {
    padding: 0.6rem 0.8rem;
}
.chat-sidebar-wrapper:has(.chatbox.min) .ai-chat-badge {
    padding: 0.6rem;
}

/* Minimized state: hide Settings and Clean buttons, keep minimize button */
.chatbox.min #chatSettingsBtn,
.chatbox.min #clearChat {
    display: none;
}

/* Minimized state: hide textarea and send button */
.chatbox.min .chat-input {
    display: none;
}


#appRoot.app-container {
    display: flex;
    flex-direction: row;
    height: 100%;
    width: 100%;
    overflow: hidden;
}

/* Map container - takes remaining flex space */
.map-container {
    flex: 1;
    min-width: 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

#map {
    flex: 1;
    width: 100%;
    height: 100%;
}

/* Chat sidebar wrapper - fixed width + resizable */
.chat-sidebar-wrapper {
    width: 450px;
    min-width: 48px;
    max-width: 90vw;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: rgba(18, 18, 20, 0.95);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 100;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .chat-sidebar-wrapper {
        width: 400px;
    }
}

@media (max-width: 768px) {
    .chat-sidebar-wrapper {
        width: 350px;
    }
}

@media (max-width: 480px) {
    #appRoot.app-container {
        flex-direction: column;
        height: auto;
    }
    
    .chat-sidebar-wrapper {
        width: 100%;
        height: 300px;
        max-width: 100%;
        border-right: none;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
}

/* ========================================================================= */
/* LEFT SIDEBAR WRAPPER - Structural left panel (user + layers) */
/* ========================================================================= */

.left-sidebar-wrapper {
    width: 48px;
    min-width: 48px;
    max-width: 90vw;
    display: flex;
    flex-direction: row;
    overflow: hidden;
    background: rgba(18, 18, 20, 0.95);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 100;
    transition: width var(--transition-normal);
    flex-shrink: 0;
}

/* Disable transition during active drag for responsiveness */
.left-sidebar-wrapper.no-transition {
    transition: none !important;
}

/* Button strip - always-visible 48px column */
.left-sidebar-strip {
    width: 48px;
    min-width: 48px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: var(--space-3);
    gap: var(--space-2);
    z-index: 1;
}

/* ========================================================================= */
/* SCULPT PANEL - DEM Sculpt overlay (replaces map view)                     */
/* ========================================================================= */

.sculpt-panel {
    position: absolute;
    inset: 0;
    z-index: 50;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-primary);
}

.sculpt-panel.hidden {
    display: none;
}

.sculpt-close-btn {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 200;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(248, 249, 252, 0.93);
    border: 1px solid rgba(0, 0, 0, 0.13);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-family-base);
    font-size: 12px;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-all-fast);
    white-space: nowrap;
}

.sculpt-close-btn:hover {
    background: rgba(248, 249, 252, 1);
    box-shadow: var(--shadow-md);
}

.sculpt-close-btn .material-symbols-outlined {
    font-size: 16px;
    line-height: 1;
}

html.light-theme .sculpt-close-btn {
    background: rgba(255, 255, 255, 0.95);
}

#sculptIframe {
    flex: 1;
    width: 100%;
    border: none;
}

/* ========================================================================= */
/* CESIUM PANEL - 3D Cesium overlay (replaces map view)                      */
/* ========================================================================= */

.cesium-panel {
    position: absolute;
    inset: 0;
    z-index: 50;
    display: flex;
    flex-direction: column;
    background: #000;
}

.cesium-panel.hidden {
    display: none;
}

#cesiumIframe {
    flex: 1;
    width: 100%;
    border: none;
}

/* Normalization of strip buttons */
.left-sidebar-strip .btn {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

/* Panel content area - fills remaining width when open */
.left-sidebar-panel {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    position: relative;
}

/* Resize handle - left edge of wrapper (facing the map) */
.left-resize-handle {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    cursor: col-resize;
    background: linear-gradient(90deg,
                rgba(110, 231, 183, 0) 0%,
                rgba(110, 231, 183, 0.3) 50%,
                rgba(110, 231, 183, 0) 100%);
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 10;
}

.left-sidebar-wrapper:hover .left-resize-handle {
    opacity: 1;
}

.left-resize-handle:active {
    background: linear-gradient(90deg,
                rgba(110, 231, 183, 0.5) 0%,
                rgba(110, 231, 183, 0.8) 50%,
                rgba(110, 231, 183, 0.5) 100%);
}