/**
 * Chat Styles - Nordersun v6.2
 * Mobile-first responsive design for the eSIM sales chat
 */

/* ==========================================
   RESET & BASE
   ========================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --chat-primary: #0071dc;
    --chat-primary-dark: #004f9a;
    --chat-primary-light: #338fe3;
    --chat-accent: #ffc220;
    --chat-bg: #f5f7fa;
    --chat-white: #ffffff;
    --chat-text: #1f2937;
    --chat-text-light: #6b7280;
    --chat-border: #e5e7eb;
    --chat-user-bg: #0071dc;
    --chat-user-text: #ffffff;
    --chat-assistant-bg: #ffffff;
    --chat-success: #10b981;
    --chat-error: #ef4444;
    --chat-radius: 16px;
    --chat-radius-sm: 10px;
    --chat-shadow: 0 2px 12px rgba(0,0,0,0.08);
    --chat-max-width: 520px;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 15px;
    color: var(--chat-text);
    background: var(--chat-bg);
    -webkit-font-smoothing: antialiased;
}

/* ==========================================
   LAYOUT
   ========================================== */
#chat-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    max-width: var(--chat-max-width);
    margin: 0 auto;
    background: var(--chat-bg);
}

/* ==========================================
   HEADER
   ========================================== */
#chat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--chat-primary);
    color: white;
    flex-shrink: 0;
}

.chat-header-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chat-header-avatar img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.brand-highlight {
    color: var(--chat-accent);
}

.chat-header-info {
    flex: 1;
    min-width: 0;
}

.chat-header-info h1 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.chat-header-info p {
    font-size: 12px;
    opacity: 0.8;
    margin: 0;
}

#chat-settings {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.15);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.2s;
}

#chat-settings:hover {
    background: rgba(255,255,255,0.3);
}

/* ==========================================
   MESSAGES AREA
   ========================================== */
#chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

/* ==========================================
   MESSAGE BUBBLES
   ========================================== */
.chat-msg {
    display: flex;
    max-width: 88%;
}

.chat-msg-user {
    align-self: flex-end;
}

.chat-msg-assistant {
    align-self: flex-start;
}

.chat-bubble {
    padding: 10px 14px;
    border-radius: var(--chat-radius);
    line-height: 1.5;
    word-wrap: break-word;
    box-shadow: var(--chat-shadow);
}

.chat-msg-user .chat-bubble {
    background: var(--chat-user-bg);
    color: var(--chat-user-text);
    border-bottom-right-radius: 4px;
}

.chat-msg-assistant .chat-bubble {
    background: var(--chat-assistant-bg);
    color: var(--chat-text);
    border-bottom-left-radius: 4px;
}

.chat-bubble-wide {
    width: 100%;
}

/* Force wide bubbles to use full available width */
.chat-msg:has(.chat-bubble-wide) {
    width: 88%;
    max-width: 88%;
}

/* Animation */
.chat-msg-animate {
    animation: chatSlideIn 0.3s ease-out;
}

@keyframes chatSlideIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================
   TYPING INDICATOR
   ========================================== */
.chat-typing .chat-bubble {
    display: flex;
    gap: 4px;
    padding: 14px 18px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--chat-text-light);
    animation: typingBounce 1.4s infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-6px); opacity: 1; }
}

/* ==========================================
   COUNTRY GRID
   ========================================== */
.chat-section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--chat-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.chat-country-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.chat-country-btn {
    padding: 8px 12px;
    border: 1px solid var(--chat-border);
    border-radius: 20px;
    background: var(--chat-white);
    color: var(--chat-text);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

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

.chat-regional-btn {
    background: #f8f9fa;
    border-style: dashed;
}

.chat-search-wrap {
    margin-top: 10px;
}

.chat-search-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--chat-border);
    border-radius: var(--chat-radius-sm);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.chat-search-input:focus {
    border-color: var(--chat-primary);
}

/* ==========================================
   PLAN SELECTOR (2 Dropdowns)
   ========================================== */
.chat-plan-selector {
    padding: 4px 0;
}

.chat-plan-selector-header {
    font-size: 16px;
    font-weight: 700;
    color: var(--chat-primary);
    text-align: center;
    margin-bottom: 12px;
}

.chat-plan-selector-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 12px;
}

.chat-plan-selector-group label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--chat-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.chat-plan-select {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid rgba(0, 113, 220, 0.3);
    border-radius: var(--chat-radius-sm);
    font-size: 14px;
    font-weight: 600;
    color: var(--chat-primary);
    background: var(--chat-white);
    cursor: pointer;
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%230071dc' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 28px;
    transition: border-color 0.2s;
}

.chat-plan-select:focus {
    border-color: var(--chat-primary);
    box-shadow: 0 0 0 3px rgba(0, 113, 220, 0.1);
}

.chat-plan-selector-price {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    color: var(--chat-primary);
    margin-bottom: 12px;
}

/* ==========================================
   OPTIONS (DATA / DURATION)
   ========================================== */
.chat-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 8px;
}

.chat-option-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 6px;
    border: 2px solid var(--chat-border);
    border-radius: var(--chat-radius-sm);
    background: var(--chat-white);
    cursor: pointer;
    transition: all 0.2s;
    min-width: 0;
}

.chat-option-btn:hover {
    border-color: var(--chat-primary);
    background: #e6f2ff;
}

.chat-option-selected {
    border-color: var(--chat-primary) !important;
    background: #e8f0fe !important;
}

.chat-option-main {
    font-size: 14px;
    font-weight: 700;
    color: var(--chat-primary);
    white-space: nowrap;
}

.chat-option-sub {
    font-size: 11px;
    color: var(--chat-text-light);
    margin-top: 1px;
}

/* ==========================================
   PLAN SUMMARY
   ========================================== */
.chat-plan-summary {
    padding: 4px 0;
}

.chat-plan-header {
    font-size: 18px;
    font-weight: 700;
    color: var(--chat-primary);
    margin-bottom: 12px;
    text-align: center;
}

.chat-plan-details {
    border: 1px solid var(--chat-border);
    border-radius: var(--chat-radius-sm);
    overflow: hidden;
    margin-bottom: 12px;
}

.chat-plan-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 14px;
    font-size: 14px;
    border-bottom: 1px solid var(--chat-border);
}

.chat-plan-row:last-child { border-bottom: none; }

.chat-plan-row span:first-child {
    color: var(--chat-text-light);
}

.chat-plan-row span:last-child {
    font-weight: 600;
}

.chat-plan-price {
    background: #e6f2ff;
}

.chat-plan-price span:last-child {
    color: var(--chat-primary);
    font-size: 18px;
}

.chat-plan-actions {
    display: flex;
    gap: 8px;
}

/* ==========================================
   BUTTONS
   ========================================== */
.chat-btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--chat-radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    text-align: center;
}

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

.chat-btn-primary {
    background: var(--chat-primary);
    color: white;
    flex: 1;
}

.chat-btn-primary:hover:not(:disabled) {
    background: var(--chat-primary-dark);
}

.chat-btn-secondary {
    background: transparent;
    color: var(--chat-text-light);
    border: 1px solid var(--chat-border);
    flex: 1;
}

.chat-btn-secondary:hover:not(:disabled) {
    background: #f8f9fa;
}

.chat-btn-full { width: 100%; }

.chat-btn-link {
    background: none;
    color: var(--chat-primary);
    padding: 6px 12px;
    font-size: 13px;
}

.chat-btn-link:hover { text-decoration: underline; }

/* ==========================================
   FORMS
   ========================================== */
.chat-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--chat-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.chat-form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--chat-border);
    border-radius: var(--chat-radius-sm);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
}

.chat-form-group input:focus {
    border-color: var(--chat-primary);
}

/* ==========================================
   VERIFICATION
   ========================================== */
.chat-verify-section {
    text-align: center;
}

.chat-verify-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.chat-otp-wrap {
    margin-bottom: 12px;
}

.chat-otp-input {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--chat-border);
    border-radius: var(--chat-radius-sm);
    font-size: 24px;
    text-align: center;
    letter-spacing: 12px;
    font-weight: 700;
    outline: none;
    transition: border-color 0.2s;
}

.chat-otp-input:focus {
    border-color: var(--chat-primary);
}

.chat-verify-actions {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
}

/* ==========================================
   STRIPE
   ========================================== */
.chat-stripe-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

#stripe-card-element {
    padding: 12px;
    border: 2px solid var(--chat-border);
    border-radius: var(--chat-radius-sm);
    background: var(--chat-white);
    transition: border-color 0.2s;
}

#stripe-card-element.StripeElement--focus {
    border-color: var(--chat-primary);
}

.chat-error-text {
    color: var(--chat-error);
    font-size: 13px;
    min-height: 18px;
}

/* ==========================================
   SUCCESS
   ========================================== */
.chat-success {
    text-align: center;
    padding: 16px 0;
}

.chat-success-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--chat-success);
    color: white;
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    animation: chatSuccessPop 0.5s ease-out;
}

@keyframes chatSuccessPop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.chat-success-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--chat-primary);
    margin-bottom: 16px;
}

/* ==========================================
   INPUT AREA
   ========================================== */
#chat-input-area {
    display: flex;
    gap: 8px;
    padding: 12px;
    background: var(--chat-white);
    border-top: 1px solid var(--chat-border);
    flex-shrink: 0;
}

#chat-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--chat-border);
    border-radius: 24px;
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
}

#chat-input:focus {
    border-color: var(--chat-primary);
}

#chat-send {
    padding: 10px 18px;
    background: var(--chat-primary);
    color: white;
    border: none;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}

#chat-send:hover {
    background: var(--chat-primary-dark);
}

/* ==========================================
   FOOTER
   ========================================== */
#chat-footer {
    text-align: center;
    padding: 8px;
    font-size: 11px;
    color: var(--chat-text-light);
    flex-shrink: 0;
}

#chat-footer a {
    color: var(--chat-primary);
    text-decoration: none;
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (min-width: 768px) {
    #chat-container {
        max-width: var(--chat-max-width);
        margin: 20px auto;
        height: calc(100vh - 40px);
        border-radius: 20px;
        overflow: hidden;
        box-shadow: 0 8px 40px rgba(0,0,0,0.12);
    }
}

/* ==========================================
   SETTINGS MODAL
   ========================================== */
.settings-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s, visibility 0.25s;
}

.settings-overlay.active {
    opacity: 1;
    visibility: visible;
}

.settings-modal {
    background: var(--chat-white);
    border-radius: 16px;
    width: 92%;
    max-width: 340px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    transform: translateY(20px);
    transition: transform 0.25s ease-out;
}

.settings-overlay.active .settings-modal {
    transform: translateY(0);
}

.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--chat-border);
}

.settings-header h2 {
    font-size: 17px;
    font-weight: 700;
    color: var(--chat-text);
    margin: 0;
}

.settings-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--chat-text-light);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.settings-close:hover {
    background: var(--chat-bg);
}

.settings-body {
    padding: 8px 0;
}

.settings-section {
    padding: 14px 20px;
}

.settings-section + .settings-section {
    border-top: 1px solid var(--chat-border);
}

.settings-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--chat-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

/* Theme Circles */
.settings-themes {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.theme-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    position: relative;
    transition: border-color 0.2s, transform 0.15s;
}

.theme-circle:hover {
    transform: scale(1.1);
}

.theme-circle.active {
    border-color: var(--chat-primary);
}

.theme-circle.active::after {
    content: '\2713';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: white;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.theme-circle[data-theme="light"] { background: linear-gradient(135deg, #0071dc, #f5f7fa); }
.theme-circle[data-theme="dark"] { background: linear-gradient(135deg, #4a9eff, #1a1a2e); }
.theme-circle[data-theme="neon-blue"] { background: linear-gradient(135deg, #00d4ff, #0a0a1a); }
.theme-circle[data-theme="neon-red"] { background: linear-gradient(135deg, #ff3366, #0a0a1a); }
.theme-circle[data-theme="neon-green"] { background: linear-gradient(135deg, #00ff88, #0a0a1a); }
.theme-circle[data-theme="neon-pink"] { background: linear-gradient(135deg, #ff69b4, #0a0a1a); }
.theme-circle[data-theme="neon-white"] { background: linear-gradient(135deg, #ffffff, #0a0a1a); }
.theme-circle[data-theme="neon-black"] { background: linear-gradient(135deg, #555, #050505); }

/* Font Size Buttons */
.settings-fontsize {
    display: flex;
    gap: 8px;
}

.fontsize-btn {
    flex: 1;
    padding: 8px;
    border: 2px solid var(--chat-border);
    border-radius: var(--chat-radius-sm);
    background: var(--chat-white);
    color: var(--chat-text);
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.fontsize-btn:hover {
    border-color: var(--chat-primary);
}

.fontsize-btn.active {
    border-color: var(--chat-primary);
    background: var(--chat-primary);
    color: white;
}

.fontsize-btn span {
    display: block;
    font-weight: 600;
}

.fontsize-btn[data-size="small"] span { font-size: 12px; }
.fontsize-btn[data-size="medium"] span { font-size: 15px; }
.fontsize-btn[data-size="large"] span { font-size: 18px; }

/* Sound Toggle */
.settings-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.settings-toggle-label {
    font-size: 14px;
    color: var(--chat-text);
}

.toggle-switch {
    width: 48px;
    height: 26px;
    border-radius: 13px;
    background: var(--chat-border);
    border: none;
    cursor: pointer;
    position: relative;
    transition: background 0.2s;
    padding: 0;
}

.toggle-switch.active {
    background: var(--chat-primary);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: white;
    transition: transform 0.2s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.toggle-switch.active::after {
    transform: translateX(22px);
}

/* Clear Chat Button */
.settings-clear-btn {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--chat-error);
    border-radius: var(--chat-radius-sm);
    background: transparent;
    color: var(--chat-error);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.settings-clear-btn:hover {
    background: var(--chat-error);
    color: white;
}

/* Clear Chat Confirm */
.settings-clear-confirm {
    display: none;
    text-align: center;
}

.settings-clear-confirm.active {
    display: block;
}

.settings-clear-confirm p {
    font-size: 13px;
    color: var(--chat-text-light);
    margin-bottom: 10px;
}

.settings-clear-actions {
    display: flex;
    gap: 8px;
}

.settings-clear-actions button {
    flex: 1;
    padding: 8px;
    border-radius: var(--chat-radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: opacity 0.2s;
}

.settings-clear-yes {
    background: var(--chat-error);
    color: white;
}

.settings-clear-no {
    background: var(--chat-border);
    color: var(--chat-text);
}

/* ==========================================
   FONT SIZE VARIANTS
   ========================================== */
#chat-container[data-fontsize="small"] .chat-bubble { font-size: 13px; }
#chat-container[data-fontsize="medium"] .chat-bubble { font-size: 15px; }
#chat-container[data-fontsize="large"] .chat-bubble { font-size: 17px; }

/* ==========================================
   THEME: DARK
   ========================================== */
#chat-container[data-theme="dark"] {
    --chat-primary: #4a9eff;
    --chat-primary-dark: #3b82f6;
    --chat-primary-light: #60a5fa;
    --chat-accent: #ffc220;
    --chat-bg: #1a1a2e;
    --chat-white: #252540;
    --chat-text: #e4e4e7;
    --chat-text-light: #9ca3af;
    --chat-border: #3a3a55;
    --chat-user-bg: #2563eb;
    --chat-user-text: #ffffff;
    --chat-assistant-bg: #252540;
    --chat-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

#chat-container[data-theme="dark"] .settings-modal {
    background: #252540;
}

#chat-container[data-theme="dark"] ~ .settings-overlay {
    background: rgba(0,0,0,0.7);
}

/* ==========================================
   THEME: NEON BLUE
   ========================================== */
#chat-container[data-theme="neon-blue"] {
    --chat-primary: #00d4ff;
    --chat-primary-dark: #00a8cc;
    --chat-primary-light: #33ddff;
    --chat-accent: #00d4ff;
    --chat-bg: #0a0a1a;
    --chat-white: #111128;
    --chat-text: #e0e0e0;
    --chat-text-light: #8888aa;
    --chat-border: #1a1a3a;
    --chat-user-bg: #0066cc;
    --chat-user-text: #ffffff;
    --chat-assistant-bg: #111128;
    --chat-shadow: 0 2px 12px rgba(0,212,255,0.1);
}

#chat-container[data-theme="neon-blue"] #chat-header {
    box-shadow: 0 2px 20px rgba(0,212,255,0.3);
}

#chat-container[data-theme="neon-blue"] .brand-highlight {
    text-shadow: 0 0 10px rgba(0,212,255,0.5);
}

#chat-container[data-theme="neon-blue"] .settings-modal { background: #111128; }

/* ==========================================
   THEME: NEON RED
   ========================================== */
#chat-container[data-theme="neon-red"] {
    --chat-primary: #ff3366;
    --chat-primary-dark: #cc2952;
    --chat-primary-light: #ff5580;
    --chat-accent: #ff3366;
    --chat-bg: #0a0a1a;
    --chat-white: #111128;
    --chat-text: #e0e0e0;
    --chat-text-light: #8888aa;
    --chat-border: #1a1a3a;
    --chat-user-bg: #cc0033;
    --chat-user-text: #ffffff;
    --chat-assistant-bg: #111128;
    --chat-shadow: 0 2px 12px rgba(255,51,102,0.1);
}

#chat-container[data-theme="neon-red"] #chat-header {
    box-shadow: 0 2px 20px rgba(255,51,102,0.3);
}

#chat-container[data-theme="neon-red"] .brand-highlight {
    text-shadow: 0 0 10px rgba(255,51,102,0.5);
}

#chat-container[data-theme="neon-red"] .settings-modal { background: #111128; }

/* ==========================================
   THEME: NEON GREEN
   ========================================== */
#chat-container[data-theme="neon-green"] {
    --chat-primary: #00ff88;
    --chat-primary-dark: #00cc6d;
    --chat-primary-light: #33ffa0;
    --chat-accent: #00ff88;
    --chat-bg: #0a0a1a;
    --chat-white: #111128;
    --chat-text: #e0e0e0;
    --chat-text-light: #8888aa;
    --chat-border: #1a1a3a;
    --chat-user-bg: #00994d;
    --chat-user-text: #ffffff;
    --chat-assistant-bg: #111128;
    --chat-shadow: 0 2px 12px rgba(0,255,136,0.1);
}

#chat-container[data-theme="neon-green"] #chat-header {
    box-shadow: 0 2px 20px rgba(0,255,136,0.3);
}

#chat-container[data-theme="neon-green"] .brand-highlight {
    text-shadow: 0 0 10px rgba(0,255,136,0.5);
}

#chat-container[data-theme="neon-green"] .settings-modal { background: #111128; }

/* ==========================================
   THEME: NEON PINK
   ========================================== */
#chat-container[data-theme="neon-pink"] {
    --chat-primary: #ff69b4;
    --chat-primary-dark: #cc5490;
    --chat-primary-light: #ff85c4;
    --chat-accent: #ff69b4;
    --chat-bg: #0a0a1a;
    --chat-white: #111128;
    --chat-text: #e0e0e0;
    --chat-text-light: #8888aa;
    --chat-border: #1a1a3a;
    --chat-user-bg: #cc3388;
    --chat-user-text: #ffffff;
    --chat-assistant-bg: #111128;
    --chat-shadow: 0 2px 12px rgba(255,105,180,0.1);
}

#chat-container[data-theme="neon-pink"] #chat-header {
    box-shadow: 0 2px 20px rgba(255,105,180,0.3);
}

#chat-container[data-theme="neon-pink"] .brand-highlight {
    text-shadow: 0 0 10px rgba(255,105,180,0.5);
}

#chat-container[data-theme="neon-pink"] .settings-modal { background: #111128; }

/* ==========================================
   THEME: NEON WHITE
   ========================================== */
#chat-container[data-theme="neon-white"] {
    --chat-primary: #ffffff;
    --chat-primary-dark: #cccccc;
    --chat-primary-light: #ffffff;
    --chat-accent: #ffffff;
    --chat-bg: #0a0a1a;
    --chat-white: #111128;
    --chat-text: #e0e0e0;
    --chat-text-light: #8888aa;
    --chat-border: #1a1a3a;
    --chat-user-bg: #333333;
    --chat-user-text: #ffffff;
    --chat-assistant-bg: #111128;
    --chat-shadow: 0 2px 12px rgba(255,255,255,0.05);
}

#chat-container[data-theme="neon-white"] #chat-header {
    box-shadow: 0 2px 20px rgba(255,255,255,0.15);
    color: #0a0a1a;
}

#chat-container[data-theme="neon-white"] .brand-highlight {
    text-shadow: 0 0 10px rgba(255,255,255,0.5);
    color: #0a0a1a;
}

#chat-container[data-theme="neon-white"] #chat-header h1,
#chat-container[data-theme="neon-white"] #chat-header p {
    color: #0a0a1a;
}

#chat-container[data-theme="neon-white"] #chat-settings {
    color: #0a0a1a;
}

#chat-container[data-theme="neon-white"] .settings-modal { background: #111128; }

/* ==========================================
   THEME: NEON BLACK
   ========================================== */
#chat-container[data-theme="neon-black"] {
    --chat-primary: #888888;
    --chat-primary-dark: #666666;
    --chat-primary-light: #aaaaaa;
    --chat-accent: #555555;
    --chat-bg: #050505;
    --chat-white: #0e0e0e;
    --chat-text: #999999;
    --chat-text-light: #555555;
    --chat-border: #1a1a1a;
    --chat-user-bg: #1a1a1a;
    --chat-user-text: #cccccc;
    --chat-assistant-bg: #0e0e0e;
    --chat-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

#chat-container[data-theme="neon-black"] .settings-modal { background: #0e0e0e; }

/* Dark themes need body bg override */
#chat-container[data-theme="dark"] ~ style + *,
body:has(#chat-container[data-theme="dark"]),
body:has(#chat-container[data-theme="neon-blue"]),
body:has(#chat-container[data-theme="neon-red"]),
body:has(#chat-container[data-theme="neon-green"]),
body:has(#chat-container[data-theme="neon-pink"]),
body:has(#chat-container[data-theme="neon-white"]),
body:has(#chat-container[data-theme="neon-black"]) {
    background: #0a0a1a;
}

/* Scrollbar */
#chat-messages::-webkit-scrollbar { width: 4px; }
#chat-messages::-webkit-scrollbar-track { background: transparent; }
#chat-messages::-webkit-scrollbar-thumb { background: #ccc; border-radius: 4px; }