/* ============================================
   GPT KIOSK - Hochsteiermark Farbschema
   Basierend auf der CI von hochsteiermark.com
   ============================================ */

:root {
    /* === HOCHSTEIERMARK FARBEN === */
    --primary: #028337;
    --primary-dark: #014F21;
    --primary-light: #02953f;
    --primary-lighter: #03b54c;
    --accent: #A2BB0C;
    --bg-color: #f8faf8;
    --chat-bg: #ffffff;
    --user-msg-bg: #028337;
    --user-msg-color: #ffffff;
    --bot-msg-bg: #E6F3EB;
    --bot-msg-color: #28243F;
    --input-bg: #ffffff;
    --input-border: #B3DAC3;
    --text-color: #28243F;
    --text-muted: #9F9EAA;
    --danger: #990202;
    --success: #028337;
    --header-gradient-start: #014F21;
    --header-gradient-end: #028337;
    --screensaver-gradient-start: #003610;
    --screensaver-gradient-mid: #014F21;
    --screensaver-gradient-end: #028337;

    /* === SCHRIFTGRÖSSEN === */
    --font-size-base: 20px;
    --font-size-msg: 22px;
    --font-size-input: 22px;
    --font-size-button: 20px;
    --font-size-header: 28px;
    --font-size-screensaver: 36px;

    /* === ABSTÄNDE === */
    --header-height: 80px;
    --input-height: 100px;
    --border-radius: 16px;
    --msg-max-width: 75%;
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

html, body {
    height: 100%;
    width: 100%;
    overflow: hidden;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: var(--font-size-base);
    background: var(--bg-color);
    color: var(--text-color);
    touch-action: manipulation;
}

/* Scrollbar - Hochsteiermark Grün */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 3px; }

/* ============================================
   LAYOUT
   ============================================ */

#kiosk-app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* === HEADER === */
#kiosk-header {
    height: var(--header-height);
    background: linear-gradient(135deg, var(--header-gradient-start), var(--header-gradient-end));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 30px;
    flex-shrink: 0;
    box-shadow: 0 2px 10px rgba(0, 54, 16, 0.25);
    z-index: 10;
}

#kiosk-header .logo-area {
    display: flex;
    align-items: center;
    gap: 16px;
}

#kiosk-header .logo-area img {
    height: 55px;
    width: auto;
}

#kiosk-header h1 {
    font-size: var(--font-size-header);
    font-weight: 600;
    letter-spacing: -0.5px;
}

/* === CHAT BEREICH === */
#chat-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 24px 30px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

/* Willkommensnachricht */
.welcome-message {
    text-align: center;
    padding: 60px 40px;
    color: var(--text-muted);
    font-size: 24px;
    line-height: 1.6;
}

.welcome-message .welcome-icon {
    font-size: 64px;
    margin-bottom: 20px;
    display: block;
}

.welcome-message h2 {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 700;
}

/* Nachrichten */
.message {
    display: flex;
    gap: 12px;
    max-width: var(--msg-max-width);
    animation: messageIn 0.3s ease-out;
}

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

.message.bot {
    align-self: flex-start;
}

.message-bubble {
    padding: 16px 22px;
    border-radius: var(--border-radius);
    font-size: var(--font-size-msg);
    line-height: 1.5;
    word-wrap: break-word;
    white-space: pre-wrap;
    position: relative;
}

.message.user .message-bubble {
    background: var(--user-msg-bg);
    color: var(--user-msg-color);
    border-bottom-right-radius: 4px;
    box-shadow: 0 2px 8px rgba(2, 131, 55, 0.2);
}

.message.bot .message-bubble {
    background: var(--bot-msg-bg);
    color: var(--bot-msg-color);
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* Bot-Avatar */
.message.bot .bot-avatar {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 22px;
    flex-shrink: 0;
    margin-top: 4px;
    box-shadow: 0 2px 6px rgba(2, 131, 55, 0.3);
}

/* Typing-Indikator */
.typing-indicator {
    display: flex;
    gap: 6px;
    padding: 20px 24px;
}

.typing-indicator span {
    width: 10px;
    height: 10px;
    background: var(--primary-light);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite ease-in-out;
}

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

/* === EINGABEBEREICH === */
#input-area {
    min-height: var(--input-height);
    background: var(--chat-bg);
    border-top: 2px solid var(--input-border);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    z-index: 10;
}

#chat-input {
    flex: 1;
    height: 60px;
    border: 2px solid var(--input-border);
    border-radius: 30px;
    padding: 0 24px;
    font-size: var(--font-size-input);
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--input-bg);
    color: var(--text-color);
    -webkit-user-select: text;
    user-select: text;
}

#chat-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(2, 131, 55, 0.15);
}

#chat-input::placeholder {
    color: var(--text-muted);
}

/* Buttons */
.kiosk-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    flex-shrink: 0;
    font-size: 24px;
}

.kiosk-btn:active {
    transform: scale(0.92);
}

#btn-send {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    box-shadow: 0 2px 8px rgba(2, 131, 55, 0.3);
}

#btn-send:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

#btn-send:disabled {
    background: #ccc;
    box-shadow: none;
    cursor: not-allowed;
}

#btn-mic {
    background: #f0f5f1;
    color: var(--text-color);
    position: relative;
}

#btn-mic:hover {
    background: #e0ece2;
}

#btn-mic.recording {
    background: var(--danger);
    color: white;
    animation: micPulse 1.5s infinite;
}

#btn-speaker {
    background: #f0f5f1;
    color: var(--text-color);
}

#btn-speaker.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 6px rgba(2, 131, 55, 0.3);
}

#btn-new-chat {
    background: transparent;
    color: var(--text-muted);
    width: 48px;
    height: 48px;
    font-size: 20px;
}

#btn-new-chat:hover {
    color: var(--primary);
    background: #f0f5f1;
}

/* === SCREENSAVER === */
#screensaver {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, var(--screensaver-gradient-start), var(--screensaver-gradient-mid), var(--screensaver-gradient-end));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    cursor: pointer;
    transition: opacity 0.5s;
}

#screensaver.hidden {
    opacity: 0;
    pointer-events: none;
}

#screensaver .screensaver-content {
    text-align: center;
    color: white;
}

#screensaver .screensaver-icon {
    font-size: 80px;
    margin-bottom: 30px;
    animation: float 3s ease-in-out infinite;
}

#screensaver h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

#screensaver p {
    font-size: var(--font-size-screensaver);
    opacity: 0.8;
    animation: subtlePulse 2s ease-in-out infinite;
}

#screensaver .screensaver-logo img {
    height: 120px;
    margin-bottom: 40px;
    filter: brightness(0) invert(1);
}

/* === STATUS BAR === */
#status-bar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    padding: 8px 20px;
    text-align: center;
    font-size: 16px;
    z-index: 50;
    transition: all 0.3s;
    transform: translateY(-100%);
}

#status-bar.visible {
    transform: translateY(0);
}

#status-bar.error {
    background: var(--danger);
    color: white;
}

#status-bar.info {
    background: var(--primary);
    color: white;
}

/* === ANIMATIONEN === */
@keyframes messageIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes typingBounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

@keyframes micPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(153, 2, 2, 0.5); }
    50% { box-shadow: 0 0 0 15px rgba(153, 2, 2, 0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes subtlePulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* === KEYBOARD VIRTUAL === */
.keyboard-open #chat-container {
    padding-bottom: 20px;
}