* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
body {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.container {
    text-align: center;
}
.card {
    background: rgba(255, 255, 255, 0.05);
    padding: 60px 80px;
    border-radius: 24px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.card h1 {
    font-size: 32px;
    margin-bottom: 12px;
    font-weight: 600;
}
.desc {
    color: #aaa;
    font-size: 15px;
    margin-bottom: 36px;
}
.main-btn {
    padding: 16px 56px;
    font-size: 20px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    color: white;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s;
    box-shadow: 0 4px 20px rgba(46, 204, 113, 0.3);
}
.main-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(46, 204, 113, 0.4);
}
.main-btn:disabled {
    background: #555;
    cursor: not-allowed;
    box-shadow: none;
}
.status-text {
    margin-top: 20px;
    font-size: 14px;
    color: #888;
    min-height: 20px;
}
/* ===== Ðü¸¡¿ØÖÆÌõ ===== */
.float-bar {
    display: none;
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    padding: 10px 14px;
    border-radius: 999px;
    align-items: center;
    gap: 12px;
    z-index: 99999;
    flex-direction: row;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    cursor: grab;
    user-select: none;
}
.float-bar:active {
    cursor: grabbing;
}
.circle-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}
.circle-btn.red {
    background: #e53935;
}
.circle-btn.red:hover {
    background: #ff5252;
}
.circle-btn.muted {
    background: #666;
}
.circle-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
/* ¾²Òôб¸Ü */
.mic-slash {
    position: absolute;
    width: 32px;
    height: 2px;
    background: white;
    transform: rotate(-45deg);
    border-radius: 2px;
}
.rec-btn {
    padding: 14px 40px;
    border-radius: 999px;
    border: none;
    font-size: 18px;
    font-weight: 600;
    color: white;
    cursor: pointer;
    transition: all 0.2s;
}
.rec-btn.green {
    background: #27b889;
}
.rec-btn.green:hover {
    background: #2ecc9a;
}
.rec-btn.red {
    background: #e53935;
    animation: pulse 1.5s infinite;
}
.rec-btn.red:hover {
    background: #ff5252;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(229, 57, 53, 0.6); }
    50% { box-shadow: 0 0 0 10px rgba(229, 57, 53, 0); }
}
.close-btn {
    width: 40px;
    height: 40px;
    background: transparent;
    color: #aaa;
    font-size: 20px;
    border: none;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.2s;
}
.close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}