/* ==========================================================================
   API Key & Settings Modals (M3 Elevated Overlay)
   ========================================================================== */
.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 15, 25, 0.85); /* Tonal backdrop overlay */
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 200;
    opacity: 1;
    transition: opacity 0.25s ease-out;
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background: var(--bg-sidebar); /* Unified dark slate/blue surface */
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl); /* XL Rounded corners */
    padding: 36px;
    width: 90%;
    max-width: 440px;
    position: relative;
    box-shadow: var(--shadow-m3-high);
    transform: scale(1) translateY(0);
    transition: var(--transition-m3);
}

.modal-overlay.hidden .modal-content {
    transform: scale(0.95) translateY(12px);
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 22px;
    background: transparent;
    border: none;
    font-size: 24px;
    line-height: 1;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s ease;
}

.close-btn:hover {
    color: var(--text-primary);
}

.modal-content h2 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #ffffff;
    letter-spacing: -0.5px;
}

.modal-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 24px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 2px;
    margin-bottom: 24px;
    transition: var(--transition-m3);
}

.input-wrapper:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
}

.input-wrapper input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.92rem;
    padding: 12px 14px;
    font-family: inherit;
    width: 100%;
    box-sizing: border-box;
}

.input-wrapper input::placeholder {
    color: var(--text-muted);
}

#api-key-input {
    font-family: monospace;
}

.visibility-btn {
    background: transparent;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: color 0.2s ease;
    outline: none;
}

.visibility-btn:hover {
    color: var(--text-primary);
}

.eye-icon {
    width: 20px;
    height: 20px;
}

/* Modal Action Buttons */
.modal-actions {
    display: flex;
    gap: 12px;
}

.btn {
    flex: 1;
    border: none;
    padding: 14px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--border-radius-pill); /* Pill shapes */
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition-m3);
    outline: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-secondary) 100%);
    color: var(--accent-text);
    box-shadow: 0 4px 12px rgba(56, 189, 248, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent-secondary) 100%);
    box-shadow: 0 6px 18px rgba(56, 189, 248, 0.4);
}

.btn-danger {
    background-color: var(--accent-danger-dim);
    color: var(--accent-danger);
    border: 1px solid rgba(244, 63, 94, 0.2);
}

.btn-danger:hover {
    background-color: rgba(244, 63, 94, 0.25);
    border-color: rgba(244, 63, 94, 0.4);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Tonal Pulsing Dots animations for Sidebar indicators */
@keyframes statusPulseRose {
    0% { box-shadow: 0 0 0 0 rgba(244, 63, 94, 0.4); }
    70% { box-shadow: 0 0 0 6px rgba(244, 63, 94, 0); }
    100% { box-shadow: 0 0 0 0 rgba(244, 63, 94, 0); }
}

@keyframes statusPulseGreen {
    0% { box-shadow: 0 0 0 0 rgba(92, 230, 156, 0.4); }
    70% { box-shadow: 0 0 0 6px rgba(92, 230, 156, 0); }
    100% { box-shadow: 0 0 0 0 rgba(92, 230, 156, 0); }
}

/* Modal System Prompt Selector (opens downward) */
.modal-prompt-select-wrapper {
    position: relative;
    margin-top: 12px;
    margin-bottom: 24px;
}

.modal-prompt-select-wrapper .prompt-dropdown-menu {
    bottom: auto;
    top: calc(100% + 8px);
    min-width: 100%;
    max-height: 300px;
    left: 0;
}

.modal-field-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.modal-prompt-select-wrapper .prompt-select-btn {
    width: 100%;
    max-width: none;
    justify-content: space-between;
}

/* Prompt Editor Modal textarea */
#prompt-content-input {
    width: 100%;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 12px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.88rem;
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
    transition: var(--transition-m3);
    outline: none;
}

#prompt-content-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
}

/* Override input-wrapper inside prompt editor for textarea */
#prompt-editor-modal .input-wrapper {
    align-items: stretch;
    padding: 0;
}

#prompt-editor-modal .input-wrapper:last-of-type {
    margin-bottom: 24px;
}