/* Global layout settings for a full-screen application - Light Mode */
html, body {
    height: 100%;
    margin: 0;
    overflow: hidden;
    background-color: #f5f5f7;
    color: #1e1e24;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Top navigation header */
.navbar-studio {
    background-color: #ffffff;
    border: none;
    border-bottom: 1px solid #e1e1e6;
    margin-bottom: 0;
    border-radius: 0;
    min-height: 50px;
}

.navbar-studio .navbar-brand {
    color: #1e1e24;
    font-weight: bold;
}

.navbar-studio .navbar-nav > li > a {
    color: #666670;
}

.navbar-studio .navbar-nav > li > a:hover {
    color: #1e1e24;
    background-color: transparent;
}

.navbar-studio .navbar-nav > li > a i {
    margin-right: 5px;
}

.navbar-header.pull-left {
    float: left !important;
}

.navbar-nav.pull-left {
    float: left !important;
    margin: 0;
}

/* Main application container beneath the navbar */
.main-container {
    height: calc(100% - 50px);
    display: flex;
}

/* Vertical left sidebar  */
.sidebar-tools {
    width: 70px;
    background-color: #ffffff;
    border-right: 1px solid #e1e1e6;
    height: 100%;
    padding-top: 10px;
    flex-shrink: 0;
    z-index: 10;
}

.tool-item {
    text-align: center;
    padding: 12px 0;
    cursor: pointer;
    color: #666670;
    transition: all 0.2s ease;
    font-size: 11px;
}

.tool-item i {
    display: block;
    font-size: 20px;
    margin-bottom: 5px;
}

.tool-item:hover, .tool-item.active {
    color: #337ab7; 
    background-color: #f0f0f2;
}

/* Content drawer for the active tool options */
.sidebar-content {
    width: 320px;
    background-color: #fcfcfd;
    border-right: 1px solid #e1e1e6;
    height: 100%;
    padding: 15px;
    overflow-y: auto;
    flex-shrink: 0;
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
    position: relative;
}

.sidebar-content.collapsed {
    margin-left: -320px;
    opacity: 0;
    pointer-events: none;
}

/* Vertical right sidebar  */
.sidebar-right-tools {
    width: 70px;
    background-color: #ffffff;
    border-left: 1px solid #e1e1e6;
    height: 100%;
    padding-top: 10px;
    flex-shrink: 0;
    z-index: 10;
}

.sidebar-right {
    width: 320px;
    background-color: #fcfcfd;
    border-left: 1px solid #e1e1e6;
    height: 100%;
    padding: 15px;
    overflow-y: auto;
    flex-shrink: 0;
    transition: margin-right 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
}

.sidebar-right.collapsed {
    margin-right: -280px;
    opacity: 0;
    pointer-events: none;
}


.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.panel-header h4 {
    margin: 0;
    font-weight: 600;
    color: #1e1e24;
}

/* Quick collapse arrow button */
.btn-close-drawer {
    background: none;
    border: none;
    color: #888892;
    cursor: pointer;
    padding: 5px;
    font-size: 14px;
    transition: color 0.2s;
}

.btn-close-drawer:hover {
    color: #1e1e24;
}

/* Grid placeholders for items */
.grid-item {
    background-color: #e8e8ec;
    height: 100px;
    margin-bottom: 15px;
    border-radius: 4px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.grid-item:hover {
    opacity: 0.8;
}

.tb-item {
    margin-bottom: 30px;
    text-align: center;
}

.tb-item small {
    display: block;
    margin-top: 5px;
    font-weight: 600;
    color: #555;
    font-size: 12px;
}

.tb-item-title-icon {
    display: flex;
    align-items: center; 
    gap: 10px; 
    margin-top: 0; 
}

.tb-item-title-icon img {
    width: 24px; 
    height: auto; 
    object-fit: contain;
}

/* Typography & Custom Text Presets */
.text-preset-list {
    margin-bottom: 25px;
}

.text-preset-item {
    background-color: #ffffff;
    border: 1px solid #dcdce1;
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}

.text-preset-item:hover {
    background-color: #f5f5f7;
    border-color: #ccd0d6;
}

.text-preset-heading {
    font-size: 24px;
    font-weight: bold;
    margin: 0;
    color: #1e1e24;
}

.text-preset-subheading {
    font-size: 18px;
    font-weight: 500;
    margin: 0;
    color: #3a3a42;
}

.text-preset-body {
    font-size: 14px;
    margin: 0;
    color: #55555e;
}

/* Central workspace  */
.workspace {
    flex-grow: 1;
    background-color: #e0e0e6; 
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    overflow: hidden;
    position: relative;
}

.workspace-navbar {
    background-color: #252529;
    border-bottom: 1px solid #3e3e4a;
    min-height: 40px;
    padding: 5px 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.workspace-navbar .btn-group .btn {
    background-color: #3e3e4a;
    border: 1px solid #525265;
    color: #ffffff;
    padding: 3px 8px;
    font-size: 12px;
    height: 28px;
}

.workspace-navbar .btn-group .btn:hover {
    background-color: #525265;
}

.workspace-navbar .toolbar-separator {
    border-left: 1px solid #525265;
    height: 18px;
    margin: 0 10px;
    display: inline-block;
    vertical-align: middle;
}

/* Inner canvas viewport area underneath the new workspace toolbar */
.canvas-viewport {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    overflow: hidden; 
    position: relative;
    padding: 0; 
}

#tle-container {
    flex-grow: 1; 
    width: 100%; 
    height: 100% !important; 
    box-sizing: border-box;
}

/* Modals */
.modal-studio .modal-content {
    background-color: #ffffff;
    color: #1e1e24;
    border: 1px solid #ccd0d6;
    box-shadow: 0 5px 15px rgba(0,0,0,.1);
}

.modal-studio .modal-header {
    border-bottom: 1px solid #e1e1e6;
}

.modal-studio .modal-footer {
    border-top: 1px solid #e1e1e6;
}

.modal-studio .close {
    color: #000000;
    opacity: 0.4;
}

.modal-studio .close:hover {
    color: #000000;
    opacity: 0.7;
}

.modal-studio .form-control {
    background-color: #ffffff;
    border: 1px solid #ccd0d6;
    color: #1e1e24;
}

.modal-studio .list-group-item {
    background-color: #ffffff;
    border: 1px solid #e1e1e6;
    color: #3a3a42;
    cursor: pointer;
}

.modal-studio .list-group-item:hover {
    background-color: #f5f5f7;
    color: #1e1e24;
}

/* Custom icon for Expressions */
.fx-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.8em;
    height: 1.8em;
    border-radius: 50%;
    margin-right: 8px;
    vertical-align: middle;
    background-color: currentColor;
}

.fx-text {
    font-family: 'Times New Roman', serif;
    font-style: italic;
    font-weight: bold;
    font-size: 0.85em;
    line-height: 1;
    color: #ffffff;
}