.main {
    min-height: 100vh;
    padding-top: 60px;
    max-width: 680px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.message-hero {
    padding: 80px 0 48px;
    text-align: center;
    position: relative;
}

.message-hero-icon {
    margin-bottom: 24px;
    opacity: 0.08;
}

.message-hero-icon svg {
    width: 80px;
    height: 80px;
    color: var(--text);
}

.message-title {
    font-family: var(--font-serif);
    font-size: clamp(36px, 8vw, 48px);
    font-weight: 500;
    letter-spacing: 8px;
    margin-bottom: 16px;
    color: var(--text);
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.message-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.15s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-compose {
    padding: 0 0 48px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.3s;
}

.compose-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--glass-shadow);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.compose-card:focus-within {
    border-color: var(--text-muted);
    box-shadow: var(--shadow-lg);
}

.compose-card textarea {
    width: 100%;
    min-height: 140px;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text);
    font-size: 15px;
    line-height: 1.8;
    resize: vertical;
    outline: none;
    font-family: var(--font-sans);
    letter-spacing: 0.2px;
}

.compose-card textarea::placeholder {
    color: var(--text-muted);
}

.compose-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
    flex-wrap: wrap;
    gap: 12px;
}

.submit-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.cooldown-text {
    font-size: 13px;
    color: var(--text-muted);
    min-width: 100px;
}

.char-count {
    font-size: 13px;
    color: var(--text-muted);
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--text);
    color: var(--bg);
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
    letter-spacing: 0.5px;
}

.submit-btn svg {
    width: 16px;
    height: 16px;
}

.submit-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.submit-btn .spinner {
    width: 16px;
    height: 16px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.danmaku-section {
    padding: 0 0 80px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.45s;
}

.danmaku-container {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.danmaku-item {
    position: absolute;
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 14px;
    color: var(--text);
    white-space: nowrap;
    cursor: pointer;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), 
                box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1), 
                background 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: 0.2px;
    will-change: transform, left;
}

.danmaku-item:hover {
    z-index: 100;
}

.danmaku-hover {
    transform: scale(1.15) !important;
    background: var(--bg-tertiary);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    border-color: var(--text-muted);
}

.danmaku-detail {
    position: fixed;
    z-index: 1000;
    width: 300px;
    padding: 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.25s ease;
    pointer-events: none;
}

.danmaku-detail.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.danmaku-detail-content {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text);
    margin-bottom: 12px;
    word-break: break-word;
}

.danmaku-detail-time {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-light);
}

.danmaku-detail-reply {
    display: none;
}

.reply-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 10px;
    letter-spacing: 0.3px;
}

.reply-label svg {
    width: 14px;
    height: 14px;
}

.reply-text {
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-secondary);
    padding-left: 20px;
    border-left: 2px solid var(--text-muted);
    word-break: break-word;
}

.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 14px 28px;
    background: var(--text);
    color: var(--bg);
    border-radius: var(--radius);
    font-size: 14px;
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.3px;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.error {
    background: #ef4444;
}

@media (max-width: 768px) {
    .main {
        padding-left: 16px;
        padding-right: 16px;
    }

    .message-hero {
        padding: 60px 0 36px;
    }

    .message-hero-icon svg {
        width: 60px;
        height: 60px;
    }

    .message-title {
        letter-spacing: 6px;
    }

    .message-subtitle {
        font-size: 13px;
    }

    .message-compose {
        padding: 0 0 36px;
    }

    .compose-card {
        padding: 20px;
    }

    .compose-card textarea {
        min-height: 120px;
        font-size: 16px;
    }

    .compose-footer {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
    }

    .submit-wrapper {
        justify-content: center;
    }

    .char-count {
        text-align: center;
    }

    .submit-btn {
        justify-content: center;
    }

    .danmaku-section {
        padding: 0 0 60px;
    }

    .danmaku-container {
        height: 150px;
    }

    .danmaku-item {
        font-size: 13px;
        padding: 6px 12px;
        max-width: 200px;
    }

    .danmaku-detail {
        width: calc(100vw - 48px);
        max-width: 280px;
        padding: 16px;
    }

    .danmaku-detail-content {
        font-size: 13px;
    }

    .reply-text {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .message-hero {
        padding: 50px 0 30px;
    }

    .message-hero-icon {
        margin-bottom: 20px;
    }

    .message-hero-icon svg {
        width: 50px;
        height: 50px;
    }

    .message-title {
        font-size: 28px;
        letter-spacing: 4px;
    }

    .message-subtitle {
        font-size: 12px;
    }

    .message-compose {
        padding: 0 0 30px;
    }

    .compose-card {
        padding: 16px;
    }

    .compose-card textarea {
        min-height: 100px;
        padding: 0;
    }

    .compose-footer {
        margin-top: 16px;
        padding-top: 14px;
    }

    .danmaku-section {
        padding: 0 0 50px;
    }

    .danmaku-container {
        height: 120px;
    }

    .danmaku-item {
        font-size: 12px;
        padding: 5px 10px;
        max-width: 160px;
        border-radius: 15px;
    }

    .danmaku-detail {
        padding: 14px;
    }

    .danmaku-detail-content {
        font-size: 12px;
    }

    .danmaku-detail-time {
        font-size: 11px;
    }

    .reply-label {
        font-size: 11px;
    }

    .reply-text {
        font-size: 11px;
        padding-left: 16px;
    }

    .toast {
        bottom: 24px;
        font-size: 13px;
        padding: 12px 24px;
    }
}