:root {
    --bg-color: #0d1117;
    --text-color: #e6edf3;
    --glass-bg: rgba(22, 27, 34, 0.6);
    --glass-border: rgba(240, 246, 252, 0.1);
    --primary-color: #238636;
    --primary-hover: #2ea043;
    --danger-color: #da3633;
    --danger-hover: #f85149;
    --input-bg: rgba(13, 17, 23, 0.8);
    --message-bg-self: #1f6feb;
    --message-bg-other: #21262d;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: radial-gradient(circle at top right, #1f242c 0%, transparent 50%),
                      radial-gradient(circle at bottom left, #161b22 0%, transparent 50%);
}

#app {
    width: 100%;
    max-width: 800px;
    padding: 20px;
}

.view {
    display: none;
    animation: fadeIn 0.3s ease;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 10px;
}

.lock-icon {
    font-size: 2rem;
}

h1 {
    font-size: 2rem;
    font-weight: 600;
}

.subtitle {
    color: #8b949e;
    margin-bottom: 30px;
}

input[type="text"] {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    background: var(--input-bg);
    color: white;
    font-size: 1rem;
    margin-bottom: 20px;
    outline: none;
    transition: border-color 0.2s;
}

input[type="text"]:focus {
    border-color: #58a6ff;
}

button {
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    transition: background-color 0.2s, transform 0.1s;
}

button:active {
    transform: scale(0.98);
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
    width: 100%;
}

.primary-btn:hover {
    background-color: var(--primary-hover);
}

.danger-btn {
    background-color: var(--danger-color);
    color: white;
    padding: 8px 16px;
    font-size: 0.9rem;
}

.danger-btn:hover {
    background-color: var(--danger-hover);
}

.hidden {
    display: none !important;
}

.link-box {
    display: flex;
    gap: 10px;
    margin: 20px 0;
}

.link-box input {
    margin-bottom: 0;
}

.link-box button {
    background-color: #30363d;
    color: var(--text-color);
    border: 1px solid var(--glass-border);
}

.link-box button:hover {
    background-color: #3b434b;
}

.wait-text {
    color: #e3b341;
    font-size: 0.9rem;
    animation: pulse 1.5s infinite;
}

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

/* Chat View */
.chat-container {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    height: 80vh;
    overflow: hidden;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(22, 27, 34, 0.8);
}

.status-connecting {
    color: #e3b341;
    font-size: 0.9rem;
    font-weight: 500;
}

.status-connected {
    color: #3fb950;
    font-size: 0.9rem;
    font-weight: 500;
}

.ephemeral-warning {
    background-color: rgba(218, 54, 51, 0.1);
    color: #ff7b72;
    padding: 10px;
    font-size: 0.85rem;
    text-align: center;
    border-bottom: 1px solid rgba(218, 54, 51, 0.2);
}

.messages-area {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.4;
    word-break: break-word;
    animation: slideIn 0.2s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.message.self {
    align-self: flex-end;
    background-color: var(--message-bg-self);
    border-bottom-right-radius: 4px;
}

.message.other {
    align-self: flex-start;
    background-color: var(--message-bg-other);
    border-bottom-left-radius: 4px;
}

.message img {
    max-width: 100%;
    border-radius: 8px;
    margin-top: 5px;
    display: block;
}

.chat-input-area {
    display: flex;
    padding: 20px;
    gap: 10px;
    border-top: 1px solid var(--glass-border);
    background: rgba(22, 27, 34, 0.8);
    align-items: center;
}

#attach-btn {
    background: transparent;
    padding: 10px;
    font-size: 1.2rem;
    color: var(--text-color);
    border: 1px solid var(--glass-border);
}

#attach-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
}

.chat-input-wrapper {
    display: flex;
    flex: 1;
    gap: 10px;
}

.chat-input-wrapper input {
    margin-bottom: 0;
    flex: 1;
}

.chat-input-wrapper button {
    background-color: var(--message-bg-self);
    color: white;
}

.chat-input-area button:disabled, 
.chat-input-wrapper input:disabled,
#attach-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}