/* ============================================
   TOPBAR - Unified Toolbar Styling
   Consistent across all modes (Linkage, Designer, Simulator)
   ============================================ */

/* Unified topbar - supports both ID and class for transition */
.topbar,
#topbar,
.toolbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 52px;
    background: var(--bg-toolbar);
    border-bottom: 1px solid var(--clr-primary);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.03);
    z-index: var(--z-fixed);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    gap: 15px;
    flex-shrink: 0;
    overflow: hidden;
}

/* Subtle scan line effect (aerospace aesthetic) */
.topbar::before,
#topbar::before,
.toolbar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.02) 2px,
        rgba(0, 0, 0, 0.02) 4px
    );
    pointer-events: none;
}

/* Topbar sections */
.topbar-left,
.topbar-center,
.topbar-right,
.toolbar-left,
.toolbar-center,
.toolbar-right {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
}

.topbar-left,
.toolbar-left {
    gap: 10px;
    flex: 0 0 auto;
    position: relative;
    z-index: 2;
}

.topbar-center,
.toolbar-center {
    gap: 15px;
    flex: 1 1 auto;
    justify-content: center;
    min-width: 0;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.topbar-right,
.toolbar-right {
    gap: 10px;
    flex: 0 0 auto;
    position: relative;
    z-index: 2;
}

/* App title */
.topbar h1,
#topbar h1,
.topbar .app-title,
.toolbar .app-title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--clr-primary);
    letter-spacing: 1px;
    white-space: nowrap;
    text-shadow: var(--glow-primary);
}

/* Topbar buttons */
.topbar-btn,
.topbar button,
#topbar button,
.toolbar button {
    font-family: var(--font-display);
    padding: 8px 14px;
    min-width: 32px;
    height: 32px;
    background: var(--space-600);
    color: var(--text-secondary);
    border: 1px solid var(--space-400);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.85em;
    font-weight: 500;
    transition: all var(--transition-fast);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.topbar-btn:hover,
.topbar button:hover,
#topbar button:hover,
.toolbar button:hover {
    background: var(--space-500);
    border-color: var(--clr-primary);
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.topbar-btn.active,
.topbar button.active,
#topbar button.active,
.toolbar button.active {
    background: rgba(var(--clr-primary-rgb), 0.2);
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    box-shadow: var(--glow-primary);
}

/* Mode toggle group - segmented control (Mission Control style) */
.mode-toggle {
    display: flex !important;
    gap: 0;
    background: var(--space-800);
    border-radius: 8px;
    padding: 3px;
    border: 1px solid var(--space-400);
    flex-shrink: 0;
    visibility: visible !important;
}

.mode-toggle button {
    border-radius: 6px;
    border: none;
    background: transparent;
    min-width: 100px;
    padding: 8px 20px;
    color: var(--text-secondary);
    font-weight: 500;
}

.mode-toggle button:first-child {
    border-radius: 6px;
}

.mode-toggle button:last-child {
    border-radius: 6px;
}

.mode-toggle button.active {
    background: var(--gradient-primary);
    color: var(--space-900);
    font-weight: 600;
    box-shadow: var(--glow-primary);
}

.mode-toggle button:hover:not(.active) {
    background: var(--space-600);
    color: var(--text-primary);
}

/* Topbar dividers */
.topbar-divider {
    width: 1px;
    height: 24px;
    background: var(--border-light);
    margin: 0 8px;
}

/* Topbar animation controls */
.topbar-anim {
    display: flex;
    align-items: center;
    gap: 6px;
}

.topbar-anim button {
    padding: 6px 10px;
    font-size: 0.85rem;
    font-weight: 600;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-display);
    letter-spacing: 0.5px;
}

.topbar-anim button:hover {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    background: var(--space-400);
    box-shadow: var(--glow-subtle);
}

.topbar-anim button:active {
    transform: translateY(1px);
}

.topbar-anim input[type="range"] {
    min-width: 80px;
    flex: 1 1 auto;
    max-width: 200px;
    height: 4px;
}

.topbar-anim-status {
    font-size: 0.75rem;
    color: var(--text-muted);
    min-width: 60px;
    font-weight: 500;
}

/* Topbar checkboxes and number inputs */
.topbar-chk {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 0.65rem;
    color: var(--text-muted);
    cursor: pointer;
}

.topbar-chk input[type="checkbox"] {
    width: 12px;
    height: 12px;
    margin: 0;
}

.topbar-chk input[type="number"] {
    width: 50px;
    padding: 4px 6px;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
}

/* Sun position controls */
.topbar-sun {
    display: flex;
    align-items: center;
    gap: 6px;
}

.topbar-sun input[type="range"] {
    min-width: 80px;
    flex: 1 1 auto;
    max-width: 200px;
    height: 4px;
}

/* Topbar labels and text */
.topbar-center > div > span,
.topbar-center label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    font-family: var(--font-display);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

/* Fold angle section */
.topbar-center > div:first-child {
    display: flex;
    align-items: center;
    gap: 6px;
}

.topbar-center > div:first-child input[type="range"] {
    min-width: 100px;
    flex: 1 1 auto;
    max-width: 250px;
}

@media (pointer: coarse) {
    .topbar button,
    .topbar-anim button {
        min-height: 44px;
        min-width: 44px;
        padding: 0 14px;
    }

    .topbar-anim input[type="range"],
    .topbar-sun input[type="range"],
    .topbar-center > div:first-child input[type="range"] {
        min-height: 44px;
        max-width: none;
    }

    .topbar-chk {
        min-height: 44px;
        font-size: 0.75rem;
    }
}

/* System Review Button - Mission Control style */
.system-review-button {
    font-family: var(--font-display);
    background: linear-gradient(135deg, rgba(var(--clr-info-rgb), 0.3), rgba(var(--clr-info-rgb), 0.15));
    border: 1px solid var(--status-info);
    color: var(--text-data);
    padding: 6px 14px;
    border-radius: 999px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 0 12px rgba(var(--clr-info-rgb), 0.3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-fast);
}

.system-review-button:hover {
    background: linear-gradient(135deg, rgba(var(--clr-info-rgb), 0.5), rgba(var(--clr-info-rgb), 0.3));
    border-color: var(--text-data);
    box-shadow: 0 0 20px rgba(var(--clr-info-rgb), 0.5);
    transform: translateY(-1px);
}

/* LinkageLab topbar — class-based layout (replaces inline styles) */
.topbar-app-title {
    font-size: 1rem;
    margin: 0;
    white-space: nowrap;
}

.topbar-fold-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.topbar-label {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.topbar-fold-input {
    width: 7.5em;
    min-width: 7.5em;
    max-width: none;
    flex: 0 0 auto;
    font-size: 0.85rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    box-sizing: border-box;
}

/* Spin-button wrapper inherits the same fixed width so flex layout cannot crush the value */
.topbar-center .number-spin-wrapper:has(.topbar-fold-input) {
    width: 7.5em;
    min-width: 7.5em;
    flex: 0 0 auto;
}

.topbar-deg {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
}

.topbar-chk-label {
    font-size: 0.8rem;
    font-weight: 600;
}

.topbar-chk-shadows {
    margin-left: 6px;
}

.topbar-chk-label input[type="checkbox"] {
    margin-right: 4px;
}

.topbar-stop-input {
    width: 65px;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 6px;
}

.topbar-time-display {
    font-size: 0.85rem;
    color: var(--text-primary);
    min-width: 60px;
    text-align: center;
    font-weight: 600;
    font-family: var(--font-mono);
}

.topbar-sun-label {
    margin-right: 4px;
}

.topbar-icon-btn {
    padding: 4px 8px;
    font-size: 0.75rem;
}

.btn-anim-fold {
    padding: 6px 12px;
    background: rgba(231, 76, 60, 0.8);
    color: white;
    border: none;
    border-radius: 4px;
    font-weight: 600;
}

.btn-anim-unfold {
    padding: 6px 12px;
    background: rgba(46, 204, 113, 0.8);
    color: white;
    border: none;
    border-radius: 4px;
    font-weight: 600;
}

/* Responsive: wrap center controls on medium screens */
@media (max-width: 1200px) {
    .topbar-center {
        flex-wrap: wrap;
        justify-content: center;
        row-gap: 6px;
    }

    .topbar-fold-row input[type="range"],
    .topbar-sun input[type="range"] {
        max-width: 120px;
    }
}

@media (max-width: 900px) {
    .topbar {
        height: auto;
        min-height: 52px;
        flex-wrap: wrap;
        padding: 8px 12px;
        gap: 8px;
    }

    /* Keep in-app solar/simulate topbars on a single row */
    #view-solar > #topbar,
    #view-solar > #topbar {
        height: 52px;
        min-height: 52px;
        max-height: 52px;
        flex-wrap: nowrap;
        padding: 0 12px;
    }

    .topbar-left,
    .topbar-right {
        flex: 1 1 auto;
    }

    .topbar-right {
        justify-content: flex-end;
        flex-wrap: wrap;
    }

    #view-solar > #topbar .topbar-right,
    #view-solar > #topbar .topbar-right {
        flex-wrap: nowrap;
    }
}

/* Solar design center — Build/Live + live sim controls */
.topbar-solar-center {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: nowrap;
    justify-content: center;
}

.topbar-mode-btns {
    display: flex;
    gap: 0;
    background: var(--space-800);
    border-radius: 8px;
    padding: 3px;
    border: 1px solid var(--space-400);
}

.topbar-mode-btns .topbar-btn {
    border: none;
    border-radius: 6px;
    min-width: 88px;
    font-size: 0.8rem;
}

.topbar-mode-btns .topbar-btn.active {
    background: linear-gradient(135deg, rgba(var(--clr-solar-rgb, 240, 173, 78), 0.35), rgba(var(--clr-solar-rgb, 240, 173, 78), 0.15));
    border: 1px solid var(--clr-solar, #f0ad4e);
    color: var(--clr-solar-light, #ffc107);
    box-shadow: 0 0 12px rgba(var(--clr-solar-rgb, 240, 173, 78), 0.25);
}

/* Hidden until Live mode is active */
.topbar-sim-controls {
    display: none;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.topbar-sim-controls.active {
    display: flex;
}

.topbar-sim-slider {
    width: 140px;
    min-width: 80px;
    max-width: 200px;
    height: 4px;
    accent-color: var(--clr-solar, #f0ad4e);
}

.topbar-sim-speed {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-data, #5bc0de);
    min-width: 48px;
    text-align: center;
}

/* Simulate mode center summary */
.topbar-simulate-center {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.topbar-simulate-center .topbar-time-display {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--space-800);
    border: 1px solid var(--space-400);
    border-radius: 6px;
    padding: 4px 12px;
    min-width: 0;
    max-width: 420px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* File operation buttons (simulate shell topbar) */
.topbar-file-controls {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.topbar-file-btn {
    padding: 5px 10px !important;
    font-size: 0.72rem !important;
    font-weight: 600;
    height: auto !important;
    min-height: 28px;
    border-radius: 4px !important;
}

.topbar-file-save {
    background: rgba(42, 106, 42, 0.85) !important;
    border-color: #3a8a3a !important;
    color: #fff !important;
}

.topbar-file-load {
    background: rgba(42, 74, 106, 0.85) !important;
    border-color: #3a6a9a !important;
    color: #fff !important;
}

.topbar-file-export {
    background: rgba(74, 74, 42, 0.85) !important;
    border-color: #6a6a3a !important;
    color: #fff !important;
}

.topbar-file-import {
    background: rgba(58, 58, 90, 0.85) !important;
    border-color: #5a5a7a !important;
    color: #fff !important;
}

.topbar-file-btn:hover {
    filter: brightness(1.12);
    transform: translateY(-1px);
}

/* In-app mode topbars: flow inside the view shell (not viewport-fixed) */
#view-solar > #topbar,
#view-solar > #topbar {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    flex-shrink: 0;
    width: 100%;
    height: 52px;
    min-height: 52px;
    max-height: 52px;
    flex-wrap: nowrap;
    overflow: hidden;
    box-sizing: border-box;
}

#view-solar > #topbar .topbar-left,
#view-solar > #topbar .topbar-center,
#view-solar > #topbar .topbar-right,
#view-solar > #topbar .topbar-left,
#view-solar > #topbar .topbar-center,
#view-solar > #topbar .topbar-right {
    flex-wrap: nowrap;
}

#view-solar > #topbar .topbar-center {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
}

#view-solar > #topbar .topbar-solar-center {
    gap: 10px;
    justify-content: center;
}

.topbar-designer-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--clr-primary);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.topbar-designer-hint {
    font-size: 0.72rem;
    color: var(--text-muted);
    white-space: nowrap;
}

#view-solar > #topbar .topbar-solar-center {
    flex-wrap: nowrap;
    gap: 8px;
}

#view-solar > #topbar .topbar-solar-center:not(:has(.topbar-sim-controls.active)) .topbar-divider {
    display: none;
}

#view-solar > #topbar .mode-toggle button {
    min-width: 36px;
    padding: 6px 10px;
}

#view-solar > #topbar .topbar-app-title {
    font-size: 0.95rem;
}

#view-solar > #topbar .topbar-mode-btns .topbar-btn {
    min-width: 72px;
    padding: 6px 10px;
}

#view-solar > #topbar .topbar-right {
    gap: 6px;
}

#view-solar > #topbar .topbar-center {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
}

#view-solar > #topbar .topbar-simulate-center.sim-topbar-row-controls {
    justify-content: center;
    flex-wrap: nowrap;
    gap: 10px;
    padding: 0 8px;
    min-height: 0;
    border: none;
    background: transparent;
}

#view-solar > #topbar .sim-celestial-topbar {
    width: clamp(120px, 20vw, 260px);
}

#view-solar > #topbar .sim-sun-track-bg {
    height: 18px;
}

#view-solar > #topbar .sim-sun-labels {
    display: none;
}

#view-solar > #topbar .sim-time-inline {
    font-size: 0.72rem;
    padding: 3px 8px;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
}

#view-solar > #topbar .topbar-sim-slider {
    width: 90px;
    min-width: 60px;
}

#view-solar > #topbar .sim-play-btn,
#view-solar > #topbar .sim-reset-btn {
    min-width: 30px;
    padding: 4px 8px !important;
}

#view-solar > #topbar .sim-select {
    font-size: 0.72rem;
    padding: 3px 6px;
}

#view-solar > #topbar .mode-toggle button {
    min-width: 36px;
    padding: 6px 10px;
}

@media (max-width: 900px) {
    .topbar-sim-controls {
        width: 100%;
        justify-content: center;
    }

    .topbar-file-controls {
        width: 100%;
        justify-content: flex-end;
    }
}

/* Time display - digital clock style */
.toolbar .time-display,
.topbar .time-display {
    font-family: var(--font-mono);
    font-size: 1em;
    font-weight: 600;
    color: var(--text-data);
    text-shadow: var(--glow-cyan);
    white-space: nowrap;
    display: inline-block;
    text-align: center;
    padding: 6px 16px;
    background: var(--space-800);
    border: 1px solid var(--space-400);
    border-radius: 6px;
}