/* --- Zmienne i Globalne Style --- */
:root {
    --bg-color: #171717;
    --overlay-bg: rgba(0, 0, 0, 0.85);
    --history-bg: #1c1c1c;
    --input-area-bg: #212121;
    --user-msg-bg: #0055ff;
    --assistant-msg-bg: #333333;
    --text-color: #e0e0e0;
    --text-color-dark: #a0a0a0;
    --accent-color: #007bff;
    --button-color: #444444;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --thought-bg: #2a2a2a;
    --final-answer-bg: #3a3a3a;
    --error-bg: #4a0000;
    --error-text: #ff6666;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
    overflow: hidden;
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
}

/* --- Główne Kontenery/Warstwy --- */
.fullscreen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 100;
    transition: opacity 0.3s ease;
}

#auth-overlay {
    background-color: var(--bg-color);
    padding: 20px;
    box-sizing: border-box;
}

#voice-mode-overlay {
    background-color: var(--overlay-bg);
}

#chat-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

/* --- Style Autoryzacji --- */
#auth-box {
    background-color: var(--input-area-bg);
    padding: 30px 40px;
    border-radius: 12px;
    text-align: center;
    width: 100%;
    max-width: 350px;
}

#api-key-input {
    width: 100%;
    padding: 12px;
    margin: 15px 0;
    border: 1px solid var(--button-color);
    border-radius: 8px;
    background-color: var(--history-bg);
    color: var(--text-color);
    font-size: 1em;
    box-sizing: border-box;
}

#auth-button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background-color: var(--accent-color);
    color: white;
    font-size: 1em;
    cursor: pointer;
}

/* --- Style Czatu --- */
#chat-history {
    flex-grow: 1;
    overflow-y: auto;
    padding: 20px 15px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message {
    padding: 10px 16px;
    border-radius: 20px;
    max-width: 85%;
    line-height: 1.5;
    opacity: 0;
    transform: translateY(10px);
    animation: fadeIn 0.4s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-message {
    background-color: var(--user-msg-bg);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 5px;
}

.assistant-message {
    align-self: flex-start;
    border-bottom-left-radius: 5px;
}

/* --- Typy wiadomości --- */
.thought-message {
    background-color: var(--thought-bg);
    color: var(--text-color-dark);
    font-style: italic;
    padding: 8px 12px;
    border-radius: 18px;
    max-width: 75%;
    align-self: flex-start;
    border-bottom-left-radius: 5px;
}

.final-answer-message {
    background-color: var(--final-answer-bg);
    color: var(--text-color);
    align-self: flex-start;
    border-bottom-left-radius: 5px;
}

.error-message {
    background-color: var(--error-bg);
    color: var(--error-text);
    align-self: flex-start;
    border-bottom-left-radius: 5px;
    border-left: 4px solid #ff4444;
    padding-left: 16px;
}

.typing-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
}

.typing-indicator .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-color-dark);
    animation: pulse 1.4s infinite ease-in-out both;
}

.typing-indicator .dot:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator .dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes pulse {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1.0); }
}

/* --- Style Obszaru Wprowadzania --- */
#input-area {
    display: flex;
    align-items: flex-end;
    padding: 10px;
    gap: 10px;
    background-color: var(--input-area-bg);
    transition: opacity 0.3s;
}

#input-area.disabled {
    opacity: 0.6;
    pointer-events: none;
}

#message-input {
    flex-grow: 1;
    border: none;
    background-color: var(--button-color);
    color: var(--text-color);
    padding: 14px;
    border-radius: 24px;
    font-size: 1em;
    resize: none;
    max-height: 150px;
    overflow-y: auto;
    line-height: 1.4;
}

#message-input:focus { outline: none; }

#main-button {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background-color: var(--accent-color);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
    flex-shrink: 0;
}

#main-button:hover { transform: scale(1.1); }
#main-button.recording { background-color: #ff4136; }

#main-button svg { width: 24px; height: 24px; }

/* --- Style Trybu Głosowego --- */
#voice-icon-pulsing {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background-color: var(--accent-color);
    display: flex;
    justify-content: center;
    align-items: center;
    animation: pulse-glow 2s infinite;
}

#voice-icon-pulsing svg { width: 50px; height: 50px; color: white; }

@keyframes pulse-glow {
    0% { box-shadow: 0 0 0 0 rgba(0, 123, 255, 0.7); }
    70% { box-shadow: 0 0 0 20px rgba(0, 123, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(0, 123, 255, 0); }
}

#live-transcript {
    margin-top: 40px;
    font-size: 1.5em;
    min-height: 2em;
    text-align: center;
    padding: 0 20px;
    color: var(--text-color);
}

#exit-voice-mode {
    position: absolute;
    bottom: 40px;
    padding: 12px 24px;
    border: 1px solid var(--button-color);
    border-radius: 20px;
    background: none;
    color: var(--text-color);
    cursor: pointer;
}