/* =============================================================
   ai_chat.css — VARify AI Analyst   |   Floating Chat Widget
   Globalny floating panel dostępny na każdej stronie.
   ============================================================= */

/* ── FLOATING TRIGGER BUTTON ──────────────────────────────── */
#ai-chat-fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9000;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    background: linear-gradient(135deg, #10b981 0%, #0891b2 100%);
    color: #fff;
    font-size: 1.35rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 4px 20px rgba(16, 185, 129, 0.45),
        0 0 0 0 rgba(16, 185, 129, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.25s ease;
    animation: fab-glow 3s ease-in-out infinite;
}

@keyframes fab-glow {
    0%, 100% { box-shadow: 0 4px 20px rgba(16, 185, 129, 0.45), 0 0 0 0 rgba(16, 185, 129, 0.3); }
    50%       { box-shadow: 0 4px 28px rgba(16, 185, 129, 0.65), 0 0 0 8px rgba(16, 185, 129, 0); }
}

#ai-chat-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.6);
    animation: none;
}

/* Przycisk ukrywa się gdy panel jest otwarty */
#ai-chat-fab.hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.7);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

/* Tooltip nad przyciskiem */
#ai-chat-fab::before {
    content: "VARify AI";
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    background: #0f1923;
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: #e2e8f0;
    font-size: 0.78rem;
    font-weight: 600;
    white-space: nowrap;
    padding: 0.35rem 0.75rem;
    border-radius: 8px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    font-family: inherit;
}

#ai-chat-fab:hover::before {
    opacity: 1;
}

/* ── OVERLAY (przyciemnienie strony) ──────────────────────── */
#ai-chat-overlay {
    position: fixed;
    inset: 0;
    z-index: 9001;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(2px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

#ai-chat-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

/* ── SLIDING PANEL (z prawej strony) ─────────────────────── */
#ai-chat-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 9002;
    width: 420px;
    max-width: 100vw;
    display: flex;
    flex-direction: column;
    background: #0f1923;
    border-left: 1px solid rgba(16, 185, 129, 0.2);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.6);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

#ai-chat-panel.open {
    transform: translateX(0);
}

/* ── NAGŁÓWEK PANELU ─────────────────────────────────────── */
.ai-chat-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, #0f1923 0%, #12222f 100%);
    border-bottom: 1px solid rgba(16, 185, 129, 0.15);
    user-select: none;
    flex-shrink: 0;
}

.ai-chat-header-icon {
    width: 42px;
    height: 42px;
    border-radius: 11px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(6, 182, 212, 0.1));
    border: 1px solid rgba(16, 185, 129, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #10b981;
    flex-shrink: 0;
    animation: icon-pulse 3s ease-in-out infinite;
}

@keyframes icon-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.3); }
    50%       { box-shadow: 0 0 0 7px rgba(16, 185, 129, 0); }
}

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

.ai-chat-header-text h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #f1f5f9;
    margin: 0 0 0.1rem;
    letter-spacing: 0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ai-chat-header-text span {
    font-size: 0.75rem;
    color: #10b981;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.ai-status-dot {
    width: 6px;
    height: 6px;
    background: #10b981;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
    animation: blink-dot 2s ease-in-out infinite;
}

@keyframes blink-dot {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.3; }
}

.ai-premium-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(217, 119, 6, 0.1));
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #f59e0b;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.2rem 0.55rem;
    border-radius: 20px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    flex-shrink: 0;
}

/* Przycisk zamknięcia (X) w nagłówku */
#ai-chat-close-btn {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    background: rgba(255, 255, 255, 0.04);
    color: #64748b;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
    flex-shrink: 0;
}

#ai-chat-close-btn:hover {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.25);
    transform: scale(1.05);
}

/* Przycisk wyczyść historię (kosz) w nagłówku */
#ai-chat-clear-btn {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    background: rgba(255, 255, 255, 0.04);
    color: #64748b;
    font-size: 0.82rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
    flex-shrink: 0;
}

#ai-chat-clear-btn:hover {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.25);
    transform: scale(1.05);
}

/* ── OBSZAR WIADOMOŚCI ─────────────────────────────────────── */
.ai-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: #0b1520;
    scroll-behavior: smooth;
    min-height: 0; /* ważne dla flex-child + overflow */
}

/* Własny scrollbar */
.ai-chat-messages::-webkit-scrollbar       { width: 4px; }
.ai-chat-messages::-webkit-scrollbar-track { background: transparent; }
.ai-chat-messages::-webkit-scrollbar-thumb {
    background: rgba(16, 185, 129, 0.2);
    border-radius: 99px;
}
.ai-chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(16, 185, 129, 0.45);
}

/* ── WIADOMOŚCI ──────────────────────────────────────────── */
.chat-message {
    display: flex;
    gap: 0.65rem;
    max-width: 86%;
    animation: msg-in 0.22s ease both;
}

@keyframes msg-in {
    from { opacity: 0; transform: translateY(5px); }
    to   { opacity: 1; transform: translateY(0); }
}

.chat-message.user-message {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-message.ai-message {
    align-self: flex-start;
}

.chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.user-message .chat-avatar {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    color: #fff;
}

.ai-message .chat-avatar {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(6, 182, 212, 0.15));
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
}

.ai-typing-avatar {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(6, 182, 212, 0.15));
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
}

.chat-bubble {
    padding: 0.7rem 1rem;
    border-radius: 14px;
    font-size: 0.9rem;
    line-height: 1.6;
    word-break: break-word;
}

.user-message .chat-bubble {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    color: #fff;
    border-bottom-right-radius: 4px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.ai-message .chat-bubble {
    background: #1a2738;
    color: #e2e8f0;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom-left-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.ai-message.error-message .chat-bubble {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

/* ── WIADOMOŚĆ POWITALNA ─────────────────────────────────── */
.chat-welcome {
    align-self: center;
    text-align: center;
    padding: 1.5rem 0.5rem 0.5rem;
    color: #475569;
    font-size: 0.82rem;
}

.chat-welcome i {
    font-size: 2rem;
    color: rgba(16, 185, 129, 0.25);
    display: block;
    margin-bottom: 0.6rem;
}

.chat-welcome p {
    margin: 0;
    line-height: 1.6;
}

/* ── TYPING INDICATOR ─────────────────────────────────────── */
.typing-indicator {
    display: none;
    align-self: flex-start;
    align-items: center;
    gap: 0.65rem;
    animation: msg-in 0.22s ease both;
}

.typing-indicator.visible {
    display: flex;
}

.typing-dots {
    background: #1a2738;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    border-bottom-left-radius: 4px;
    padding: 0.8rem 1rem;
    display: flex;
    gap: 5px;
    align-items: center;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background: rgba(16, 185, 129, 0.5);
    border-radius: 50%;
    animation: typing-bounce 1.2s ease-in-out infinite;
    display: inline-block;
}

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

@keyframes typing-bounce {
    0%, 60%, 100% { transform: translateY(0); }
    30%            { transform: translateY(-5px); }
}

/* ── INPUT AREA ────────────────────────────────────────────── */
.ai-chat-input-area {
    display: flex;
    gap: 0.65rem;
    padding: 1rem 1.25rem;
    background: #0f1923;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    align-items: flex-end;
    flex-shrink: 0;
}

#ai-chat-input {
    flex: 1;
    background: #1a2738;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 11px;
    color: #e2e8f0;
    font-size: 0.9rem;
    padding: 0.7rem 1rem;
    resize: none;
    height: 44px;
    line-height: 1.5;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
    overflow: hidden;
}

#ai-chat-input::placeholder { color: #475569; }

#ai-chat-input:focus {
    outline: none;
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

#ai-chat-send-btn {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    background: linear-gradient(135deg, #10b981, #059669);
    border: none;
    border-radius: 11px;
    color: #fff;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s, box-shadow 0.15s;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

#ai-chat-send-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(16, 185, 129, 0.45);
}

#ai-chat-send-btn:active:not(:disabled) { transform: translateY(0); }

#ai-chat-send-btn:disabled {
    background: linear-gradient(135deg, #1f3028, #1a2d22);
    box-shadow: none;
    cursor: not-allowed;
    opacity: 0.65;
}

#ai-chat-send-btn .fa-spinner {
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Przycisk Stop (kwadrat) — widoczny tylko podczas oczekiwania na AI */
#ai-chat-stop-btn {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    background: linear-gradient(135deg, #d97706, #b45309);
    border: none;
    border-radius: 11px;
    color: #fff;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s, box-shadow 0.15s, opacity 0.2s;
    box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
    animation: stop-pulse 1.5s ease-in-out infinite;
}

#ai-chat-stop-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(217, 119, 6, 0.5);
    animation: none;
}

@keyframes stop-pulse {
    0%, 100% { box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35); }
    50%       { box-shadow: 0 4px 22px rgba(217, 119, 6, 0.6); }
}

/* ── PAYWALL WEWNĄTRZ PANELU (FREE / PLUS) ────────────────── */
.ai-chat-paywall-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    min-height: 0;
}

/* Zamglony podgląd czatu */
.ai-chat-paywall-preview {
    flex: 1;
    filter: blur(5px);
    pointer-events: none;
    user-select: none;
    padding: 1.25rem;
    background: #0b1520;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.paywall-fake-msg {
    display: flex;
    gap: 0.65rem;
    max-width: 80%;
}

.paywall-fake-msg.right {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.paywall-fake-avatar {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    flex-shrink: 0;
}

.paywall-fake-msg.right .paywall-fake-avatar {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
}

.paywall-fake-msg:not(.right) .paywall-fake-avatar {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.paywall-fake-bubble {
    height: 40px;
    border-radius: 14px;
    flex: 1;
    max-width: 200px;
}

.paywall-fake-msg.right .paywall-fake-bubble {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    border-bottom-right-radius: 4px;
}

.paywall-fake-msg:not(.right) .paywall-fake-bubble {
    background: #1a2738;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom-left-radius: 4px;
}

.paywall-fake-bubble.short { max-width: 130px; height: 36px; }
.paywall-fake-bubble.long  { max-width: 220px; height: 70px; }

/* Overlay z wezwaniem do działania */
.ai-chat-paywall-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(11, 21, 32, 0.82);
    backdrop-filter: blur(3px);
    padding: 1.5rem;
}

.ai-paywall-box {
    text-align: center;
    max-width: 300px;
}

.ai-paywall-crown {
    font-size: 2rem;
    color: #f59e0b;
    width: 68px;
    height: 68px;
    background: rgba(245, 158, 11, 0.1);
    border: 2px solid rgba(245, 158, 11, 0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.1rem;
    animation: crown-pulse 3s ease-in-out infinite;
}

@keyframes crown-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.3); }
    50%       { box-shadow: 0 0 0 10px rgba(245, 158, 11, 0); }
}

.ai-paywall-box h4 {
    font-size: 1.15rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.6rem;
}

.ai-paywall-box p {
    color: #64748b;
    font-size: 0.83rem;
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.ai-paywall-upgrade-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #d97706, #b45309);
    color: #fff;
    font-weight: 700;
    font-size: 0.88rem;
    padding: 0.75rem 1.75rem;
    border-radius: 11px;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 14px rgba(217, 119, 6, 0.3);
}

.ai-paywall-upgrade-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(217, 119, 6, 0.5);
}

/* Zablokowany input pod paywallem */
.ai-chat-input-area.locked #ai-chat-input {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

.ai-chat-input-area.locked #ai-chat-send-btn {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

/* ── RESPONSYWNOŚĆ ─────────────────────────────────────────── */
@media (max-width: 480px) {
    #ai-chat-panel {
        width: 100vw;
        border-left: none;
    }

    #ai-chat-fab {
        bottom: 1.25rem;
        right: 1.25rem;
        width: 54px;
        height: 54px;
        font-size: 1.2rem;
    }

    #ai-chat-fab::before {
        display: none; /* schowaj tooltip na mobile */
    }
}