/* ================================================
   schemaDesigner.css  — Additive styles only
   Requires: index.css (reset + body) + app.css (tokens + components)
================================================ */

/* ── Layout Tokens ─────────────────────────────── */
:root {
    --header-height: 56px;
    --toolbar-height: 44px;
    --sticky-top-offset: calc(var(--header-height) + var(--toolbar-height));
    --qd-font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
}

/* ── Page shell ────────────────────────────────── */
/* Body grows with content; footer falls naturally at the bottom */
html {
    height: 100%;
}

body {
    min-height: 100%;
    height: auto;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

/* ── Toolbar ───────────────────────────────────── */
.qd-toolbar {
    position: sticky;
    top: var(--header-height);
    z-index: 900;
    height: var(--toolbar-height);
    background: #fff;
    border-bottom: 1px solid var(--qd-border) !important;
    display: flex;
    align-items: center;
    padding: 0 16px;
    flex-shrink: 0;
    gap: 8px;
}

.qd-toolbar .fw-semibold {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--qd-text);
}

.qd-tool-btn {
    border: 1px solid transparent;
    background: transparent;
    padding: 4px 8px;
    color: var(--qd-text);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
}

.qd-tool-btn:disabled {
    color: var(--qd-border);
    cursor: not-allowed;
}

.qd-tool-btn:not(:disabled):hover {
    background: var(--qd-bg);
    border-color: var(--qd-border);
}

.qd-status-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--qd-muted);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

/* ── App Container ─────────────────────────────── */
.app-container {
    flex: 1;
    /* fills remaining space between toolbar and footer */
    padding: 0 !important;
}

/* Three-column row fills at least one viewport height */
.app-container>.row {
    min-height: calc(100vh - var(--sticky-top-offset) - 40px);
}

/* ── Sidebar ───────────────────────────────────── */
.qd-sidebar {
    background: #fafbfc;
    border-right: 1px solid var(--qd-border);
    position: sticky;
    top: var(--sticky-top-offset);
    height: calc(100vh - var(--sticky-top-offset));
    overflow-y: auto;
    font-size: 14px;
    flex-shrink: 0;
}

.sidebar-content {
    padding: 14px 0;
}

.sidebar-section {
    margin-bottom: 20px;
}

.section-header {
    padding: 0 14px 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--qd-border);
    margin-bottom: 10px;
}

.section-title {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.9px;
    text-transform: uppercase;
    color: var(--qd-muted);
}

.section-header .badge {
    font-size: 11px;
    font-weight: 700;
    background: var(--qd-bg) !important;
    color: var(--qd-muted) !important;
    border: 1px solid var(--qd-border) !important;
    padding: 2px 7px;
}

.sidebar-divider {
    border-color: var(--qd-border);
    opacity: 1;
    margin: 8px 14px 16px;
}

#tableSearch {
    font-size: 12px !important;
    border: 1px solid var(--qd-border) !important;
    background: #fff !important;
    padding: 5px 8px !important;
    box-shadow: none !important;
}

#tableSearch:focus {
    border-color: var(--qd-primary) !important;
    box-shadow: none !important;
}

#tablesList .list-group-item {
    background: transparent;
    border: none;
    border-left: 2px solid transparent;
    padding: 7px 14px;
    font-size: 13px;
    color: var(--qd-text);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

#tablesList .list-group-item:hover {
    background: var(--qd-primary-soft);
    color: var(--qd-primary);
}

#tablesList .list-group-item.active {
    background: var(--qd-primary-soft);
    color: var(--qd-primary);
    border-left-color: var(--qd-primary);
    font-weight: 700;
}

.qd-sidebar .form-select,
.qd-sidebar .form-control {
    font-size: 12px !important;
    border: 1px solid var(--qd-border) !important;
    background: #fff !important;
    color: var(--qd-text) !important;
    box-shadow: none !important;
    padding: 5px 8px !important;
}

.qd-sidebar .form-select:focus,
.qd-sidebar .form-control:focus {
    border-color: var(--qd-primary) !important;
    box-shadow: none !important;
}

.btn-danger-soft {
    background: rgba(217, 48, 37, 0.07) !important;
    border: 1px solid rgba(217, 48, 37, 0.25) !important;
    color: var(--qd-danger) !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    padding: 5px 10px !important;
}

.btn-danger-soft:hover {
    background: var(--qd-danger) !important;
    color: #fff !important;
}

.btn-success-soft {
    background: rgba(33, 131, 93, 0.07) !important;
    border: 1px solid rgba(33, 131, 93, 0.25) !important;
    color: var(--qd-success) !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    padding: 5px 10px !important;
}

.btn-success-soft:hover {
    background: var(--qd-success) !important;
    color: #fff !important;
}

.qd-sidebar .btn-outline-primary {
    border: 1px solid var(--qd-primary) !important;
    color: var(--qd-primary) !important;
    background: transparent !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    padding: 5px 10px !important;
}

.qd-sidebar .btn-outline-primary:hover {
    background: var(--qd-primary) !important;
    color: #fff !important;
}

.x-small {
    font-size: 11px !important;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--qd-muted);
}

/* ── Editor Panel (middle) ─────────────────────── */
.qd-editor {
    background: var(--qd-bg);
    position: sticky;
    top: var(--sticky-top-offset);
    height: calc(100vh - var(--sticky-top-offset));
    overflow-y: auto;
    border-right: 1px solid var(--qd-border);
}

.editor-wrapper {
    padding: 16px;
}

.card-panel {
    background: #fff;
    border: 1px solid var(--qd-border);
    box-shadow: none;
    transition: border-color 0.18s;
}

.card-panel:hover {
    border-color: var(--qd-primary);
}

.panel-header {
    background: #fafbfc;
    padding: 9px 14px;
    border-bottom: 1px solid var(--qd-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel-header h6 {
    font-size: 12px !important;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--qd-text);
    margin: 0;
}

.panel-body {
    padding: 14px;
}

.qd-editor .form-control,
.qd-editor .form-select {
    font-size: 12px !important;
    border: 1px solid var(--qd-border) !important;
    background: #fff !important;
    color: var(--qd-text) !important;
    box-shadow: none !important;
    padding: 5px 8px !important;
}

.qd-editor .form-control:focus,
.qd-editor .form-select:focus {
    border-color: var(--qd-primary) !important;
    box-shadow: none !important;
}

.qd-editor .form-label {
    font-size: 12px !important;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--qd-muted);
    margin-bottom: 4px !important;
}

.btn-icon-sm {
    background: transparent;
    border: 1px solid transparent;
    padding: 3px 7px;
    color: var(--qd-muted);
    font-size: 14px;
    transition: background 0.15s, border-color 0.15s;
    display: inline-flex;
    align-items: center;
}

.btn-icon-sm:hover {
    background: var(--qd-bg);
    border-color: var(--qd-border);
    color: var(--qd-text);
}

.btn-icon-sm.text-danger:hover {
    background: rgba(217, 48, 37, 0.07);
    border-color: rgba(217, 48, 37, 0.25);
    color: var(--qd-danger) !important;
}

.columns-container {
    max-height: 360px;
    overflow-y: auto;
    padding: 6px;
    background: var(--qd-bg);
    border: 1px solid var(--qd-border);
}

.col-row-item {
    background: #fff !important;
    border: 1px solid var(--qd-border) !important;
    box-shadow: none !important;
    padding: 8px !important;
    transition: border-color 0.15s;
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 4px;
}

.col-row-item:hover {
    border-color: var(--qd-primary) !important;
}

.drag-handle {
    color: var(--qd-muted);
    cursor: grab;
    font-size: 14px;
}

.col-row-item .col-name {
    font-family: var(--qd-font-mono) !important;
    font-size: 12px !important;
    font-weight: 700;
    border: 1px solid var(--qd-border) !important;
    padding: 4px 6px !important;
    background: var(--qd-bg) !important;
    box-shadow: none !important;
}

.col-row-item .col-name:focus {
    border-color: var(--qd-primary) !important;
    background: #fff !important;
    box-shadow: none !important;
}

.form-select-xs {
    font-size: 12px !important;
    padding: 3px 20px 3px 6px !important;
    border: 1px solid var(--qd-border) !important;
    background: var(--qd-bg) !important;
    color: var(--qd-text) !important;
    box-shadow: none !important;
    height: auto;
}

.form-select-xs:focus {
    border-color: var(--qd-primary) !important;
    box-shadow: none !important;
}

.col-options .form-check-label {
    font-size: 11px !important;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--qd-muted);
    letter-spacing: 0.3px;
}

.col-options .form-check-input:checked {
    background-color: var(--qd-primary);
    border-color: var(--qd-primary);
}

.col-actions .btn {
    font-size: 11px !important;
    padding: 2px 7px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    border: 1px solid var(--qd-border) !important;
    background: var(--qd-bg) !important;
    color: var(--qd-text) !important;
    line-height: 1.4;
}

.col-actions .col-fk:hover {
    background: var(--qd-primary-soft) !important;
    border-color: var(--qd-primary) !important;
    color: var(--qd-primary) !important;
}

.col-actions .col-del:hover {
    background: rgba(217, 48, 37, 0.07) !important;
    border-color: rgba(217, 48, 37, 0.3) !important;
    color: var(--qd-danger) !important;
}

#autoFKBtn {
    font-size: 12px !important;
    color: var(--qd-primary) !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    padding: 0 !important;
}

#autoFKBtn:hover {
    color: var(--qd-primary-dark) !important;
}

.relationship-builder .form-select {
    font-size: 12px !important;
}

.relationship-builder label.x-small {
    font-size: 11px;
    color: var(--qd-muted);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.4px;
    display: block;
    margin-bottom: 3px;
}

#removeRelBtn {
    font-size: 12px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border: 1px solid var(--qd-danger) !important;
    color: var(--qd-danger) !important;
    background: transparent !important;
    padding: 5px 12px !important;
}

#removeRelBtn:hover {
    background: var(--qd-danger) !important;
    color: #fff !important;
}

#addRelBtn {
    font-size: 12px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border: 1px solid var(--qd-success) !important;
    color: var(--qd-success) !important;
    background: transparent !important;
    padding: 5px 12px !important;
}

#addRelBtn:hover {
    background: var(--qd-success) !important;
    color: #fff !important;
}

/* ── Visualizer Panel (right) ──────────────────── */
.qd-visualizer {
    background: #fff;
    position: sticky;
    top: var(--sticky-top-offset);
    height: calc(100vh - var(--sticky-top-offset));
    padding: 0 !important;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.viz-toolbar {
    height: 40px;
    flex-shrink: 0;
    background: #fafbfc;
    border-bottom: 1px solid var(--qd-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
}

.viz-toolbar .fw-bold.small {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--qd-text);
}

.viz-toolbar .btn-group .btn {
    font-size: 12px !important;
    padding: 4px 9px !important;
    border: 1px solid var(--qd-border) !important;
    color: var(--qd-muted) !important;
    background: #fff !important;
    font-weight: 600 !important;
    text-transform: none;
    letter-spacing: 0;
}

.viz-toolbar .btn-group .btn:hover {
    background: var(--qd-primary-soft) !important;
    color: var(--qd-primary) !important;
    border-color: var(--qd-primary) !important;
}

.canvas-container {
    flex: 1;
    min-height: 0;
    background-color: #f4f6f9;
    background-image: radial-gradient(var(--qd-border) 1px, transparent 1px);
    background-size: 20px 20px;
    position: relative;
}

.sql-drawer {
    height: 30%;
    min-height: 140px;
    background: #fff;
    border-top: 2px solid var(--qd-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sql-drawer>.d-flex {
    background: #fafbfc;
    border-bottom: 1px solid var(--qd-border);
    padding: 7px 12px !important;
    flex-shrink: 0;
}

.sql-drawer .font-monospace {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--qd-text);
}

#genSqlBtn {
    font-size: 12px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    background: var(--qd-primary) !important;
    border: none !important;
    color: #fff !important;
    padding: 3px 10px !important;
}

#genSqlBtn:hover {
    background: var(--qd-primary-dark) !important;
}

#copySqlBtn,
#downloadSql {
    font-size: 12px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border: 1px solid var(--qd-border) !important;
    color: var(--qd-muted) !important;
    background: #fff !important;
    padding: 3px 10px !important;
}

#copySqlBtn:hover,
#downloadSql:hover {
    background: var(--qd-bg) !important;
    color: var(--qd-text) !important;
}

#sqlArea {
    flex: 1;
    overflow: auto;
    background: #1e1e1e;
    color: #9cdcfe;
    font-family: var(--qd-font-mono);
    font-size: 12px;
    line-height: 1.6;
    margin: 0;
    padding: 12px 16px !important;
}

/* ── Toolbar action buttons ─────────────────────── */
#loadJsonBtn {
    font-size: 12px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border: 1px solid var(--qd-primary) !important;
    color: var(--qd-primary) !important;
    background: transparent !important;
    padding: 4px 12px !important;
}

#loadJsonBtn:hover {
    background: var(--qd-primary) !important;
    color: #fff !important;
}

#saveJson,
.btn-primary-pro {
    font-size: 12px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    background: var(--qd-primary) !important;
    border: none !important;
    color: #fff !important;
    padding: 4px 14px !important;
}

#saveJson:hover,
.btn-primary-pro:hover {
    background: var(--qd-primary-dark) !important;
    color: #fff !important;
}

#addColBtn,
#applyTpl {
    font-size: 12px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 4px 10px !important;
}

#saveTableBtn {
    font-size: 12px !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    background: var(--qd-primary) !important;
    border: none !important;
    color: #fff !important;
    padding: 5px 12px !important;
}

#saveTableBtn:hover {
    background: var(--qd-primary-dark) !important;
}

/* ── Footer — natural page flow ────────────────── */
/* Sits below the three-panel row, scrolls into view normally */
.qd-footer {
    background: #fff;
    border-top: 1px solid var(--qd-border);
    padding: 10px 20px;
    text-align: center;
    width: 100%;
    /* No position:fixed, no flex-shrink — plain document flow */
}

.qd-footer p,
.qd-footer small {
    font-size: 12px;
    color: var(--qd-muted);
    margin: 0;
}

.qd-footer a {
    color: var(--qd-primary);
    font-weight: 600;
    text-decoration: none;
}

.qd-footer a:hover {
    color: var(--qd-primary-dark);
}

/* ── Scrollbars ────────────────────────────────── */
.qd-sidebar::-webkit-scrollbar,
.qd-editor::-webkit-scrollbar,
.columns-container::-webkit-scrollbar,
#sqlArea::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.qd-sidebar::-webkit-scrollbar-track,
.qd-editor::-webkit-scrollbar-track,
.columns-container::-webkit-scrollbar-track,
#sqlArea::-webkit-scrollbar-track {
    background: transparent;
}

.qd-sidebar::-webkit-scrollbar-thumb,
.qd-editor::-webkit-scrollbar-thumb,
.columns-container::-webkit-scrollbar-thumb {
    background: #cccccc;
}

.qd-sidebar::-webkit-scrollbar-thumb:hover,
.qd-editor::-webkit-scrollbar-thumb:hover,
.columns-container::-webkit-scrollbar-thumb:hover {
    background: #aaaaaa;
}

#sqlArea::-webkit-scrollbar-thumb {
    background: #444;
}

/* ── Responsive ────────────────────────────────── */
@media (max-width: 991px) {
    body {
        overflow-y: auto;
    }

    .qd-toolbar {
        position: relative;
        top: auto;
        flex-wrap: wrap;
        height: auto;
        padding: 8px 14px;
    }

    .app-container>.row {
        min-height: auto;
        flex-direction: column;
    }

    .qd-sidebar,
    .qd-editor,
    .qd-visualizer {
        position: relative !important;
        top: auto !important;
        height: auto !important;
        overflow: visible !important;
        border-right: none !important;
        border-bottom: 1px solid var(--qd-border);
        margin-bottom: 12px;
    }

    .canvas-container {
        min-height: 360px;
    }

    .sql-drawer {
        height: auto;
        min-height: 180px;
    }
}

@media (max-width: 576px) {
    .viz-toolbar .fw-bold.small {
        display: none;
    }

    .sql-drawer>.d-flex {
        flex-wrap: wrap;
        gap: 6px;
    }

    #loadJsonBtn,
    #saveJson {
        font-size: 11px !important;
        padding: 3px 8px !important;
    }
}