/**
 * Button Styles
 * Primary, secondary, icon, view mode, label mode, panel toggle
 */

/* === BUTTON RESET === */
button {
    padding: var(--space-sm) var(--space-md);
    background: none;
    color: inherit;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-size-md);
    font-family: var(--font-family);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

button:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

/* === PRIMARY BUTTONS === */
.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover { background: var(--color-info); }

/* === SECONDARY BUTTONS === */
.btn-secondary {
    background: var(--bg-button-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
}

.btn-secondary:hover { background: var(--bg-button-secondary-hover); }

/* === ICON BUTTONS === */
.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-button-secondary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    font-size: 18px;
    cursor: pointer;
}

.btn-icon:hover { background: var(--bg-button-secondary-hover); }

/* === DARK MODE BUTTON === */
#dark-mode-btn {
    background: none;
    border: 1px solid var(--border-dark-mode-btn);
    color: var(--text-dark-mode-btn);
}

#dark-mode-btn:hover { background: var(--bg-dark-mode-btn-hover); }

/* === PANEL TOGGLE === */
.panel-toggle-btn {
    background: none;
    border: 1px solid var(--border-medium);
    color: var(--text-muted);
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
}

.panel-toggle-btn:hover {
    background: var(--bg-button-secondary);
    color: var(--text-primary);
}

/* === VIEW MODE SELECTOR === */
.view-mode-selector {
    display: flex;
    gap: 2px;
    background: var(--bg-segmented);
    padding: 2px;
    border-radius: var(--radius-sm);
}

.view-mode-selector button {
    background: transparent;
    color: var(--text-secondary);
    padding: var(--space-sm) var(--space-md);
    font-size: 13px;
}

.view-mode-selector button:hover { background: var(--bg-segmented-hover); }
.view-mode-selector button.active { background: var(--color-primary); color: white; }

/* === LABEL MODE SELECTOR === */
.label-mode-selector {
    display: flex;
    gap: 2px;
    background: var(--bg-segmented);
    padding: 2px;
    border-radius: var(--radius-sm);
}

.label-mode-selector .label-mode-btn {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-sm);
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
}

.label-mode-selector .label-mode-btn:hover { background: var(--bg-segmented-hover); }
.label-mode-selector .label-mode-btn.active { background: var(--color-primary); color: white; }

.toggle-group {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.toggle-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* === AUTO-TOUR BUTTON === */
#autopilot-btn.active {
    background: var(--color-error);
    color: white;
    border-color: var(--color-error);
}

#autopilot-btn.active:hover { background: var(--color-error-text); }

/* === TOOL BUTTONS === */
.btn-tool {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-button-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-sm);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-tool:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.btn-tool svg {
    flex-shrink: 0;
}

/* === LOAD BUTTON - LARGER === */
.btn-load {
    padding: var(--space-sm) var(--space-xl);
    font-weight: 600;
    font-size: var(--font-size-md);
}

/* === SMALL BUTTONS === */
.btn-small {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-sm);
}

/* === EXAMPLE BUTTONS === */
.btn-example {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-example:hover {
    background: var(--color-primary);
    color: white;
}

/* === PRESET BUTTONS === */
.layout-presets {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.preset-label {
    font-size: 13px;
    color: var(--text-muted);
}

.preset-btn {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-segmented);
    color: var(--text-secondary);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    cursor: pointer;
}

.preset-btn:hover {
    background: var(--bg-segmented-hover);
}

.preset-btn.active {
    background: var(--color-primary);
    color: white;
}

/* === CONTEXT MENU === */
.context-menu {
    position: fixed;
    background: var(--bg-overlay-solid);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-modal);
    min-width: 160px;
    padding: var(--space-xs) 0;
}

.context-menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: none;
    border: none;
    border-radius: 0;
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    text-align: left;
}

.context-menu-item:hover {
    background: var(--bg-highlight-subtle);
}

.context-menu-item svg {
    color: var(--text-muted);
}

/* === HELP BADGE === */
.help-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 600;
    cursor: help;
    margin-left: auto;
    margin-right: var(--space-md);
}