/* Header */
#top-bar {
    --top-bar-inline-padding: 15px;
    --top-bar-left-gap: 15px;
    --top-bar-logo-width: 160px;
    height: var(--header-height);
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--top-bar-inline-padding);
}
.logo { font-weight: bold; display: flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.logo:hover { opacity: 0.8; }

.top-bar-center { display: flex; align-items: center; gap: 20px; }
.file-lang-group { display: flex; align-items: center; gap: 8px; }
#active-file-display { text-align: center; min-width: 226px; font-size: 0.9em; color: var(--text-muted); background: var(--bg-dark); padding: 9px 12px; border-radius: var(--radius); border: 1px solid var(--border); }

/* View Controls */
.view-controls { display: flex; background: var(--bg-dark); border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; }
.btn-icon-view { background: none; border: none; padding: 6px 12px; cursor: pointer; color: var(--text-muted); border-right: 1px solid var(--border); font-size: 14px; transition: 0.2s; }
.btn-icon-view:last-child { border-right: none; }
.btn-icon-view:hover { color: var(--text-main); background: var(--hover-bg); }
.btn-icon-view.active { background: var(--accent-light); color: white; }

.top-bar-right { display: flex; gap: 10px; align-items: center; }
.separator-v { width: 1px; height: 20px; background: var(--border); margin: 0 5px; }
.top-bar-left { display: flex; align-items: center; gap: var(--top-bar-left-gap); }

#app:not(.start-mode) .top-bar-left {
    margin-left: max(
        0px,
        calc(
            ((var(--sidebar-left-width) - var(--top-bar-logo-width)) / 2)
            - var(--top-bar-inline-padding)
        )
    );
    gap: max(
        var(--top-bar-left-gap),
        calc((var(--sidebar-left-width) - var(--top-bar-logo-width)) / 2)
    );
}

#app.start-mode #project-actions-container { display: none; }

/* Buttons */
.btn { border: none; padding: 6px 14px; border-radius: var(--radius); cursor: pointer; font-size: 13px; display: inline-flex; align-items: center; gap: 6px; transition: 0.2s; color: var(--text-main); justify-content: center; }
.btn-primary { background: var(--accent); color: white;}
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--bg-dark); border: 1px solid var(--border);}
.btn-secondary:hover { background: var(--btn-secondary-hover); }
.btn-success { background: #2ea043; }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn.active { background: var(--accent-light); color: white; border: 1px solid rgba(255,255,255,0.2); }
.btn-full { width: 100%; }
.btn-small { padding: 4px 8px; font-size: 11px; }

/* Project actions dropdown */
.project-actions-dropdown {
    position: relative;
}

#btn-project-actions {
    min-width: 26px;
}

.project-menu-caret {
    font-size: 11px;
    opacity: 0.9;
    transition: transform 0.15s ease;
}

.project-actions-dropdown.open .project-menu-caret {
    transform: rotate(180deg);
}

.project-actions-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 188px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 6px;
    box-shadow: 0 8px 24px var(--shadow-color);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow: visible;
}

.top-bar-left .project-actions-menu {
    left: 0;
    right: auto;
}

.project-actions-menu .btn-gated-wrap {
    width: 100%;
}

.project-actions-menu .btn {
    width: 100%;
    justify-content: flex-start;
    padding: 7px 10px;
    background: var(--menu-item-bg);
    white-space: nowrap;
    font-size: 13px;
    line-height: 1.3;
    border-radius: 6px;
    gap: 6px;
}

.project-actions-menu .btn:hover:not(:disabled) {
    background: var(--menu-item-hover);
}

/* Iframe Theme Toggle Group */
.iframe-theme-group {
    position: relative;
    display: flex;
    align-items: center;
}
#btn-iframe-theme-toggle {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 8px;
    display: flex;
    align-items: center;
    transition: 0.2s;
}
#btn-iframe-theme-toggle:hover { color: var(--text-main); background: var(--hover-bg-strong); }
.btn-iframe-theme-arrow {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 5px;
    font-size: 10px;
    line-height: 1;
    border-left: 1px solid var(--border);
    transition: 0.2s;
    height: 100%;
    display: flex;
    align-items: center;
}
.btn-iframe-theme-arrow:hover { color: var(--text-main); background: var(--hover-bg-strong); }

/* sun/moon icon toggle for iframe theme */
.iframe-theme-icon-sun { display: none; }
.iframe-theme-icon-moon { display: block; }
#btn-iframe-theme-toggle.is-dark .iframe-theme-icon-sun { display: block; }
#btn-iframe-theme-toggle.is-dark .iframe-theme-icon-moon { display: none; }

/* Iframe theme dropdown menu */
.iframe-theme-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 4px;
    box-shadow: 0 8px 24px var(--shadow-color);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.iframe-theme-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    font-size: 13px;
    color: var(--text-main);
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.15s;
    white-space: nowrap;
}
.iframe-theme-option:hover { background: var(--menu-item-hover); }
.iframe-theme-option .iframe-theme-check {
    font-size: 12px;
    color: var(--accent);
    width: 14px;
    visibility: hidden;
}
.iframe-theme-option.active .iframe-theme-check { visibility: visible; }

/* History Controls */
.history-controls { display: flex; gap: 2px; background: var(--bg-dark); padding: 2px; border-radius: var(--radius); border: 1px solid var(--border); margin-left: auto; align-items: center; }
.history-controls button { background: none; border: none; color: var(--text-main); padding: 4px 8px; cursor: pointer; font-size: 14px; border-radius: 2px; opacity: 0.8; }
.history-controls button:hover:not(:disabled) { background: var(--hover-bg-strong); opacity: 1; }
.history-controls button:disabled { opacity: 0.3; cursor: default; }

#auto-save-status { font-size: 10px; color: var(--text-muted); margin-right: 10px; opacity: 0; transition: opacity 0.3s; }
#auto-save-status.visible { opacity: 1; }

/* Auth */
#auth-container { position: relative; }

.auth-btn { gap: 6px; }
.auth-btn svg { flex-shrink: 0; }

.auth-popup {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 240px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    box-shadow: 0 8px 24px var(--shadow-color);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    /* Fade-down animation */
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
}
.auth-popup.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.auth-popup-title { font-size: 13px; font-weight: 600; color: var(--text-main); margin: 0; }
.auth-popup-hint { font-size: 11px; color: var(--text-muted); margin: 0; line-height: 1.5; }

.auth-email-input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-main);
    font-size: 12px;
    padding: 7px 10px;
    outline: none;
    transition: border-color 0.15s;
}
.auth-email-input:focus { border-color: var(--accent); }

.auth-msg {
    font-size: 11px;
    min-height: 14px;
    text-align: center;
    margin: 0;
}
.auth-msg.success { color: #2ea043; }
.auth-msg.error { color: #e05252; }

.auth-user-info {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 4px 0;
    color: var(--text-muted);
}
.auth-user-email {
    font-size: 12px;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.auth-popup-separator {
    height: 1px;
    background: var(--border);
    margin: 2px 0;
}

.auth-licenses-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.auth-licenses-list {
    display: flex;
    flex-direction: column;
    gap: 5px;
    max-height: 160px;
    overflow-y: auto;
}

.auth-license-item {
    font-size: 12px;
    color: var(--text-main);
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 5px 9px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.auth-license-item::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #2ea043;
    flex-shrink: 0;
}

.auth-no-license {
    font-size: 12px;
    color: var(--text-muted);
    font-style: italic;
}

/* License-gated button wrapper with tooltip */
.btn-gated-wrap { position: relative; }
.gated-tooltip {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--tooltip-bg);
    color: var(--text-muted);
    font-size: 11px;
    padding: 6px 10px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    white-space: nowrap;
    z-index: 1001;
    pointer-events: none;
    box-shadow: 0 4px 12px var(--shadow-color);
}
.btn-gated-wrap:has(.btn:disabled):hover .gated-tooltip {
    display: block;
}

/* Export domain picker */
#export-container { position: relative; }
#export-project-container { position: relative; }

.export-domain-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.export-domain-btn {
    width: 100%;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-main);
    font-size: 13px;
    padding: 8px 12px;
    cursor: pointer;
    text-align: left;
    transition: background 0.15s, border-color 0.15s;
    display: flex;
    align-items: center;
    gap: 8px;
}
.export-domain-btn::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #2ea043;
    flex-shrink: 0;
}
.export-domain-btn:hover {
    background: rgba(0, 122, 204, 0.15);
    border-color: var(--accent);
}