:root {
    --bg-color: #0d0d0d;
    --text-color: #e0e0e0;
    --accent-color: #6c5ce7;
    --accent-hover: #a29bfe;
    --message-bg-received: #2d3436;
    --message-bg-sent: #6c5ce7;
    --input-bg: #1e272e;
    --border-color: #2d3436;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Uncut Sans', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.app-container {
    width: 100%;
    max-width: 800px;
    height: 90vh;
    background-color: #151515;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
}

header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 1.2rem;
    font-weight: 600;
}

.status-indicator {
    font-size: 0.8rem;
    color: #fdcb6e;
}

.status-indicator.connected {
    color: #00b894;
}

.chat-area {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.message {
    max-width: 70%;
    padding: 10px 15px;
    border-radius: 10px;
    word-wrap: break-word;
    font-size: 0.95rem;
    position: relative;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

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

.message.received {
    align-self: flex-start;
    background-color: var(--message-bg-received);
    border-bottom-left-radius: 2px;
}

.message.sent {
    align-self: flex-end;
    background-color: var(--message-bg-sent);
    border-bottom-right-radius: 2px;
}

.message.system {
    align-self: center;
    background-color: transparent;
    color: #636e72;
    font-size: 0.8rem;
    max-width: 100%;
}

.message .encrypted-indicator {
    display: block;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 4px;
    text-align: right;
}

.message-input-area {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
}

.message-input-area input {
    flex-grow: 1;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: white;
    padding: 12px;
    border-radius: 8px;
    outline: none;
    font-size: 1rem;
}

.message-input-area input:focus {
    border-color: var(--accent-color);
}

.message-input-area button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 0 25px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s;
}

.message-input-area button:hover {
    background-color: var(--accent-hover);
}

/* Login Overlay */
#login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.login-box {
    background: #1e1e1e;
    padding: 30px;
    border-radius: 12px;
    width: 350px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
}

.login-box h2 {
    margin-bottom: 10px;
}

.login-box p {
    color: #b2bec3;
    margin-bottom: 20px;
}

.login-box input {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: white;
    border-radius: 6px;
}

.auth-buttons {
    display: flex;
    gap: 10px;
}

.auth-buttons button {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
}

#login-btn {
    background: var(--accent-color);
    color: white;
}

#register-btn {
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
}

.error-msg {
    color: #ff7675;
    font-size: 0.9rem;
    margin-top: 10px;
    min-height: 20px;
}

/* Header Tweaks */
.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

#logout-btn {
    background: #d63031;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
}

/* Admin Panel */
.admin-panel {
    background: #2d3436;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.admin-panel h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: #fdcb6e;
}

#pending-users-list {
    list-style: none;
}

.user-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 5px;
}

.approve-btn {
    background: #00b894;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
}