/* buttons.css — Button variants, form groups, mode switcher, escape button */

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all var(--duration-normal, 200ms) var(--ease-default, cubic-bezier(0.4, 0, 0.2, 1));
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.btn {
    padding: 6px 12px;
    border: 1px solid var(--border);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 500;
    transition: all var(--duration-normal, 200ms) var(--ease-default, cubic-bezier(0.4, 0, 0.2, 1));
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    border-color: var(--border);
}

.btn-danger {
    background-color: var(--error);
    color: white;
    border-color: var(--error);
}

.btn-danger:hover:not(:disabled) {
    background-color: var(--color-red-600);
    border-color: var(--color-red-600);
}

.btn-danger-skip {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--danger-bg);
    color: var(--danger-text);
    border: 2px solid var(--danger-border);
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--duration-normal, 200ms) var(--ease-default, cubic-bezier(0.4, 0, 0.2, 1));
}

.btn-danger-skip:hover {
    background-color: var(--danger-bg-hover);
    border-color: var(--danger-border-hover);
    box-shadow: 0 0 10px var(--danger-shadow);
}

.btn-danger-skip svg {
    width: 24px;
    height: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    padding: 8px 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 13px;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    cursor: pointer;
}

/* Mode Switcher Styles */
.mode-switcher {
    position: fixed;
    bottom: 80px;
    right: 20px;
    /* Below the modal layer (--z-modal=400) so this floating control does not
       paint over open dialogs; still above terminal content. */
    z-index: var(--z-sticky);
    display: none;
    flex-direction: column;
    gap: 10px;
}

.mode-switcher-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--duration-slow, 300ms) var(--ease-default, cubic-bezier(0.4, 0, 0.2, 1));
    width: 56px;
    height: 56px;
}

.mode-switcher-btn:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.mode-switcher-btn:active {
    transform: translateY(0);
}

.mode-switcher-btn.switching {
    animation: modeSwitchPulse var(--duration-slow, 300ms) var(--ease-default, cubic-bezier(0.4, 0, 0.2, 1));
}

@keyframes modeSwitchPulse {
    0% { transform: scale(1); }
    50% { transform: scale(0.95); background-color: var(--accent); }
    100% { transform: scale(1); }
}

.mode-switcher-btn svg {
    width: 24px;
    height: 24px;
    stroke: var(--accent);
    flex-shrink: 0;
}

.mode-switcher-btn[data-mode="chat"] { border-color: var(--success); }
.mode-switcher-btn[data-mode="code"] { border-color: var(--accent); }
.mode-switcher-btn[data-mode="plan"] { border-color: var(--warning); }

/* Escape Button Styles */
.escape-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--error);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--duration-slow, 300ms) var(--ease-default, cubic-bezier(0.4, 0, 0.2, 1));
    width: 56px;
    height: 56px;
}

.escape-btn:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--color-red-400);
    transform: translateY(-2px);
    /* Intentional red destructive-escape glow (not a neutral elevation shadow). */
    box-shadow: 0 6px 16px rgba(248, 113, 113, 0.2);
}

.escape-btn:active {
    transform: translateY(0);
}

.escape-btn.pressed {
    animation: escapeBtnPress var(--duration-normal, 200ms) var(--ease-default, cubic-bezier(0.4, 0, 0.2, 1));
}

@keyframes escapeBtnPress {
    0% { transform: scale(1); }
    50% { transform: scale(0.9); background-color: var(--error); }
    100% { transform: scale(1); }
}

.escape-btn svg {
    width: 24px;
    height: 24px;
    stroke: var(--error);
    flex-shrink: 0;
}

/* PWA Install Button */
.install-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    background: var(--accent-default);
    color: var(--text-inverse, #fff);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: var(--text-md);
    box-shadow: var(--shadow-md);
    z-index: var(--z-overlay);
    transition: all var(--duration-slow) var(--ease-default);
}

@media (max-width: 820px) {
    .install-btn {
        bottom: calc(52px + 20px + var(--sa-bottom));
    }
}