/* ============================================
   DekaPlugin — Chat Widget v2.0
   Premium Modern Design + Typewriter
   ============================================ */

:root {
    --smc-primary: #6366f1;
    --smc-secondary: #8b5cf6;
    --smc-bg: #ffffff;
    --smc-bg-messages: #f8fafc;
    --smc-text: #1e293b;
    --smc-text-light: #64748b;
    --smc-text-muted: #94a3b8;
    --smc-border: #e2e8f0;
    --smc-user-bg: linear-gradient(135deg, var(--smc-primary), var(--smc-secondary));
    --smc-ai-bg: #ffffff;
    --smc-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --smc-shadow-btn: 0 8px 32px rgba(99, 102, 241, 0.35);
    --smc-radius: 20px;
    --smc-radius-msg: 18px;
    --smc-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --smc-width: 400px;
    --smc-height: 600px;
    --smc-z: 999999;
}

/* Widget Container */
.deka-chat-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: var(--smc-z);
    font-family: var(--smc-font);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.deka-chat-widget * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ======= Toggle Button ======= */
.deka-chat-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px 14px 18px;
    background: linear-gradient(135deg, var(--smc-primary), var(--smc-secondary));
    color: white;
    border: none;
    border-radius: 100px;
    cursor: pointer;
    box-shadow: var(--smc-shadow-btn);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    font-family: var(--smc-font);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -0.01em;
    position: relative;
    overflow: hidden;
}

.deka-chat-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), transparent);
    border-radius: inherit;
    pointer-events: none;
}

.deka-chat-toggle:hover {
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.45);
}

.deka-chat-toggle:active {
    transform: scale(0.98);
}

.deka-chat-toggle-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    transition: transform 0.3s ease;
}

.deka-chat-toggle-text {
    line-height: 1;
}

/* Toggle hidden when chat open */
.deka-chat-widget.open .deka-chat-toggle {
    transform: scale(0);
    opacity: 0;
    pointer-events: none;
}

/* ======= Chat Window ======= */
.deka-chat-window {
    position: absolute;
    bottom: 76px;
    right: 0;
    width: var(--smc-width);
    height: var(--smc-height);
    max-height: calc(100vh - 120px);
    background: var(--smc-bg);
    border-radius: var(--smc-radius);
    box-shadow: var(--smc-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.deka-chat-widget.open .deka-chat-window {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

/* ======= Header ======= */
.deka-chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    background: linear-gradient(135deg, var(--smc-primary), var(--smc-secondary));
    color: white;
    flex-shrink: 0;
    position: relative;
}

.deka-chat-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent);
    pointer-events: none;
}

.deka-chat-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
    z-index: 1;
}

.deka-chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.deka-chat-header-text h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 0;
    letter-spacing: -0.01em;
}

.deka-chat-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    opacity: 0.85;
    font-weight: 400;
}

.deka-chat-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #34d399;
    box-shadow: 0 0 6px rgba(52, 211, 153, 0.6);
    animation: smc-pulse 2s ease-in-out infinite;
}

.deka-chat-close {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    border: none;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(4px);
}

.deka-chat-close:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: rotate(90deg);
}

/* ======= Messages Area ======= */
.deka-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: var(--smc-bg-messages);
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
}

/* Scrollbar */
.deka-chat-messages::-webkit-scrollbar {
    width: 5px;
}

.deka-chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.deka-chat-messages::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}

.deka-chat-messages::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Message Bubbles */
.deka-msg {
    display: flex;
    gap: 10px;
    max-width: 88%;
    animation: smc-fadeIn 0.3s ease;
}

.deka-msg-user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.deka-msg-ai {
    align-self: flex-start;
}

.deka-msg-avatar {
    width: 30px;
    height: 30px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 14px;
    margin-top: 2px;
}

.deka-msg-ai .deka-msg-avatar {
    background: linear-gradient(135deg, var(--smc-primary), var(--smc-secondary));
    color: white;
}

.deka-msg-user .deka-msg-avatar {
    background: #e2e8f0;
    color: var(--smc-text-light);
}

.deka-msg-bubble {
    padding: 12px 16px;
    border-radius: var(--smc-radius-msg);
    font-size: 13.5px;
    line-height: 1.55;
    word-break: break-word;
    position: relative;
}

.deka-msg-ai .deka-msg-bubble {
    background: var(--smc-ai-bg);
    color: var(--smc-text);
    border: 1px solid var(--smc-border);
    border-bottom-left-radius: 6px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.deka-msg-user .deka-msg-bubble {
    background: var(--smc-user-bg);
    color: white;
    border-bottom-right-radius: 6px;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2);
}

.deka-msg-time {
    font-size: 10px;
    color: var(--smc-text-muted);
    margin-top: 4px;
    display: block;
}

.deka-msg-user .deka-msg-time {
    text-align: right;
}

/* ======= Sources ======= */
.deka-msg-sources {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    font-size: 12px;
    color: #64748b;
}

.deka-source-link {
    color: var(--smc-primary, #6366f1);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    display: inline-block;
    margin-top: 2px;
}

.deka-source-link:hover {
    text-decoration: underline;
}

/* ======= Typewriter Cursor ======= */
.deka-typewriter-cursor {
    display: inline;
    animation: smc-blink 0.7s step-end infinite;
    color: var(--smc-primary, #6366f1);
    font-weight: 300;
    margin-left: 1px;
}

@keyframes smc-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.deka-typewriter-bubble {
    min-height: 20px;
}

.deka-typewriter-text {
    display: inline;
}

/* Typing Indicator */
.deka-typing {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 4px 0;
    animation: smc-fadeIn 0.3s ease;
}

.deka-typing-avatar {
    width: 30px;
    height: 30px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--smc-primary), var(--smc-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
    font-size: 14px;
}

.deka-typing-dots {
    display: flex;
    gap: 4px;
    padding: 14px 18px;
    background: white;
    border-radius: var(--smc-radius-msg);
    border-bottom-left-radius: 6px;
    border: 1px solid var(--smc-border);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.deka-typing-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--smc-text-muted);
    animation: smc-typing 1.4s ease-in-out infinite;
}

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

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

/* ======= Suggested Questions ======= */
.deka-chat-suggestions {
    padding: 0 20px 12px;
    background: var(--smc-bg-messages);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.deka-suggestion-btn {
    padding: 8px 16px;
    border: 1px solid var(--smc-border);
    border-radius: 100px;
    background: white;
    color: var(--smc-text);
    font-size: 12px;
    font-family: var(--smc-font);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.deka-suggestion-btn:hover {
    background: var(--smc-primary);
    color: white;
    border-color: var(--smc-primary);
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(99, 102, 241, 0.25);
}

/* ======= Input Area ======= */
.deka-chat-input-area {
    padding: 16px 20px 12px;
    background: var(--smc-bg);
    border-top: 1px solid var(--smc-border);
    flex-shrink: 0;
}

.deka-chat-input-wrap {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    background: #f1f5f9;
    border-radius: 16px;
    padding: 6px 6px 6px 16px;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.deka-chat-input-wrap:focus-within {
    background: white;
    border-color: var(--smc-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.deka-chat-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 13.5px;
    font-family: var(--smc-font);
    color: var(--smc-text);
    resize: none;
    max-height: 100px;
    line-height: 1.5;
    padding: 8px 0;
}

.deka-chat-input::placeholder {
    color: var(--smc-text-muted);
}

.deka-chat-send {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(135deg, var(--smc-primary), var(--smc-secondary));
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s ease;
    opacity: 0.5;
}

.deka-chat-send:not(:disabled) {
    opacity: 1;
}

.deka-chat-send:not(:disabled):hover {
    transform: scale(1.08);
    box-shadow: 0 3px 10px rgba(99, 102, 241, 0.35);
}

.deka-chat-send:disabled {
    cursor: default;
}

/* Powered By */
.deka-chat-powered {
    text-align: center;
    font-size: 10px;
    color: var(--smc-text-muted);
    margin-top: 10px;
    font-weight: 400;
}

.deka-chat-powered strong {
    color: var(--smc-text-light);
    font-weight: 600;
}

/* ======= Order / Contact Prompt ======= */
.deka-order-prompt,
.deka-contact-prompt {
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    border: 1px solid #86efac;
    border-radius: 16px;
    padding: 14px 18px;
    text-align: center;
    animation: smc-fadeIn 0.3s ease;
}

.deka-contact-prompt {
    background: linear-gradient(135deg, #eff6ff, #e0f2fe);
    border-color: #93c5fd;
}

.deka-order-prompt p,
.deka-contact-prompt p {
    margin: 0 0 10px;
    font-size: 14px;
    font-weight: 600;
    color: #166534;
}

.deka-contact-prompt p {
    color: #1e40af;
}

.deka-order-btns {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

.deka-order-yes,
.deka-order-no {
    padding: 8px 18px;
    border-radius: 100px;
    border: none;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--smc-font);
    transition: all 0.2s ease;
}

.deka-order-yes {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
}

.deka-order-yes:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.deka-order-no {
    background: #f1f5f9;
    color: #64748b;
    border: 1px solid #e2e8f0;
}

.deka-order-no:hover {
    background: #e2e8f0;
}

/* ======= Order / Contact Form ======= */
.deka-order-form-bubble {
    max-width: 100% !important;
}

.deka-order-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 10px;
}

.deka-form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.deka-form-group label {
    font-size: 11px;
    font-weight: 600;
    color: var(--smc-text-light, #64748b);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.deka-form-group input,
.deka-form-group select,
.deka-form-group textarea {
    padding: 8px 12px;
    border: 1.5px solid var(--smc-border, #e2e8f0);
    border-radius: 10px;
    font-size: 13px;
    font-family: var(--smc-font);
    color: var(--smc-text, #1e293b);
    background: white;
    outline: none;
    transition: border-color 0.2s;
    width: 100%;
}

.deka-form-group input:focus,
.deka-form-group select:focus,
.deka-form-group textarea:focus {
    border-color: var(--smc-primary, #6366f1);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.deka-form-group textarea {
    resize: vertical;
    min-height: 50px;
}

.deka-order-submit {
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--smc-primary, #6366f1), var(--smc-secondary, #8b5cf6));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--smc-font);
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 4px;
}

.deka-order-submit:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.deka-order-submit:disabled {
    opacity: 0.6;
    cursor: wait;
}

/* ======= Animations ======= */
@keyframes smc-fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes smc-pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(0.85);
    }
}

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

/* ======= Mobile Responsive ======= */
@media (max-width: 480px) {
    .deka-chat-widget {
        bottom: 16px;
        right: 16px;
    }

    .deka-chat-window {
        position: fixed;
        bottom: 0;
        right: 0;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        max-height: 100vh;
        border-radius: 0;
    }

    .deka-chat-widget.open .deka-chat-window {
        transform: translateY(0) scale(1);
    }

    .deka-chat-toggle {
        padding: 12px 20px 12px 14px;
        font-size: 13px;
    }

    .deka-chat-toggle-icon {
        width: 24px;
        height: 24px;
    }

    .deka-chat-toggle-icon svg {
        width: 18px;
        height: 18px;
    }

    .deka-chat-header {
        padding: 16px;
        border-radius: 0;
    }

    .deka-chat-messages {
        padding: 16px;
    }

    .deka-msg {
        max-width: 92%;
    }

    .deka-chat-input-area {
        padding: 12px 16px 16px;
    }

    .deka-chat-input-area {
        padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    }
}

/* Tablet */
@media (min-width: 481px) and (max-width: 768px) {
    .deka-chat-window {
        width: 380px;
        height: 550px;
    }
}

/* ======= Accessibility ======= */
.deka-chat-widget *:focus-visible {
    outline: 2px solid var(--smc-primary);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .deka-chat-window,
    .deka-chat-toggle,
    .deka-msg,
    .deka-typing,
    .deka-chat-status-dot,
    .deka-typewriter-cursor {
        animation: none !important;
        transition: none !important;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .deka-chat-window {
        --smc-bg: #1e293b;
        --smc-bg-messages: #0f172a;
        --smc-text: #e2e8f0;
        --smc-text-light: #94a3b8;
        --smc-text-muted: #64748b;
        --smc-border: #334155;
        --smc-ai-bg: #1e293b;
    }

    .deka-chat-input-wrap {
        background: #334155;
    }

    .deka-chat-input-wrap:focus-within {
        background: #1e293b;
    }

    .deka-suggestion-btn {
        background: #1e293b;
        border-color: #334155;
        color: #e2e8f0;
    }

    .deka-typing-dots {
        background: #1e293b;
        border-color: #334155;
    }

    .deka-form-group input,
    .deka-form-group select,
    .deka-form-group textarea {
        background: #0f172a;
        border-color: #334155;
        color: #e2e8f0;
    }

    .deka-order-prompt,
    .deka-contact-prompt {
        background: linear-gradient(135deg, #1e293b, #0f172a);
        border-color: #334155;
    }

    .deka-order-prompt p,
    .deka-contact-prompt p {
        color: #e2e8f0;
    }
}