/* Styles rieng cho send.html va dashboard.html - khong dung chung voi style.css goc */

.mail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    align-items: start;
}

.panel-section {
    padding: 18px;
}

.mail-form textarea {
    width: 100%;
    background: var(--bg-panel-2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 13.5px;
    font-family: 'SFMono-Regular', Consolas, monospace;
    resize: vertical;
    outline: none;
}

.mail-form textarea:focus { border-color: var(--accent); }

#contactSelect {
    background: var(--bg-panel-2);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 8px;
    padding: 4px;
}

#contactSelect option {
    padding: 6px 8px;
}

.mail-form-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    border-top: 1px solid var(--border);
}

.mail-preview-subject {
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
    min-height: 20px;
}

.mail-preview-frame {
    width: 100%;
    height: 420px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #ffffff;
}

.badge.opened { background: rgba(99, 102, 241, 0.15); color: var(--accent); }
.badge.not-opened { background: rgba(138, 144, 163, 0.12); color: var(--text-dim); }
.badge.sent { background: rgba(34, 197, 94, 0.15); color: var(--green); }
.badge.failed { background: rgba(239, 68, 68, 0.15); color: var(--red); }

@media (max-width: 900px) {
    .mail-grid { grid-template-columns: 1fr; }
}

.stats-grid-6 {
    grid-template-columns: repeat(6, 1fr);
}

@media (max-width: 1100px) {
    .stats-grid-6 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
    .stats-grid-6 { grid-template-columns: repeat(2, 1fr); }
}