:root {
    --bg-color: #f2efe4;
    --card-bg: #ffffff;
    --text-main: #2b2b2b;
    --primary-green: #28ae60;
    --light-gray: #e0e0e0;
    --danger-red: #e56b6f;
    --badge-admin: #8e44ad;
    --badge-mod: #2980b9;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

.app-container {
    width: 100%;
    max-width: 500px;
    padding: 20px;
    box-sizing: border-box;
    flex-grow: 1;
}

header h1 {
    text-align: center;
    font-size: 22px;
    margin-bottom: 30px;
    letter-spacing: -0.5px;
}

.hidden { display: none !important; }

/* Cards & Inputs */
.card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 24px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input {
    padding: 15px;
    border-radius: 16px;
    border: 1px solid var(--light-gray);
    font-size: 16px;
    outline: none;
}

input:focus { border-color: var(--primary-green); }

/* Buttons */
button {
    padding: 12px 20px;
    border-radius: 24px;
    border: none;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.1s, opacity 0.2s;
}
button:active { transform: scale(0.97); }

.btn-primary { background-color: var(--text-main); color: white; }
.btn-secondary { background-color: var(--light-gray); color: var(--text-main); }
.btn-quiet { background-color: var(--bg-color); color: var(--danger-red); font-weight: 700; padding: 12px 15px; border-radius: 20px;}
.btn-cancel { background-color: transparent; color: #888; margin-top: 10px; }

/* Room UI */
.room-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.room-body {
    background: var(--card-bg);
    padding: 30px 20px;
    border-radius: 32px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.03);
    margin-bottom: 20px;
    min-height: 400px;
}

h3 { font-size: 14px; color: #888; margin-bottom: 15px; text-transform: uppercase; letter-spacing: 1px; }

.avatar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(75px, 1fr));
    gap: 20px 10px;
    margin-bottom: 30px;
}

.user-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    position: relative;
}

.avatar {
    width: 72px;
    height: 72px;
    background-color: var(--light-gray);
    border-radius: 38%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    position: relative;
}

.speaker-ring { border: 3px solid var(--primary-green); }
.muted-icon { position: absolute; bottom: -5px; right: -5px; background: white; border-radius: 50%; padding: 4px; font-size: 12px; box-shadow: 0 2px 4px rgba(0,0,0,0.2); }
.hand-raised-icon { position: absolute; top: -5px; left: -5px; font-size: 20px; animation: wave 1s infinite; }

.user-name { font-size: 13px; font-weight: 600; text-align: center; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-role-icon { font-size: 12px; margin-left: 2px; }

.room-controls { display: flex; justify-content: space-between; align-items: center; background: var(--card-bg); padding: 15px 20px; border-radius: 30px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
.right-controls { display: flex; gap: 10px; }

/* Modal */
.modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 1000; backdrop-filter: blur(4px); }
.modal-content { background: white; padding: 25px; border-radius: 24px; width: 80%; max-width: 300px; display: flex; flex-direction: column; gap: 10px; text-align: center; }
.modal-actions { display: flex; flex-direction: column; gap: 10px; }
.modal-actions button { padding: 12px; border-radius: 12px; font-size: 14px; background: var(--bg-color); color: var(--text-main); }
.modal-actions button.danger { color: white; background: var(--danger-red); }

/* Badges */
.badge { padding: 5px 10px; border-radius: 12px; font-size: 12px; font-weight: bold; color: white; background: #999; }
.badge.admin { background: var(--badge-admin); }
.badge.moderator { background: var(--badge-mod); }

/* Footer */
.sk-footer { margin-top: auto; padding: 20px; text-align: center; font-size: 14px; color: #888; font-weight: 500; width: 100%; }
.sk-footer .brand { color: var(--text-main); font-weight: 700; letter-spacing: -0.5px; }
.sk-footer .divider { margin: 0 8px; color: #ccc; }

@keyframes wave { 0% { transform: rotate(0deg); } 50% { transform: rotate(15deg); } 100% { transform: rotate(0deg); } }