:root{--navy: #0f1f2e;--teal: #00a896;--slate: #bcc8d4;--bg: #f7f9fa;--surface: #ffffff;--border: #e2e8ec;--font-display: "Sora", sans-serif;--font-body: "Inter", sans-serif;--font-mono: "IBM Plex Mono", monospace}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font-body);background:var(--bg);color:var(--navy)}.app-shell{display:flex;height:100vh}.sidebar{width:320px;flex-shrink:0;background:var(--navy);color:var(--slate);display:flex;flex-direction:column;overflow:hidden}.sidebar-header{padding:20px 16px 12px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-header-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px}.sidebar-title{font-family:var(--font-display);font-weight:700;font-size:18px;color:#fff;margin:0}.compose-button{font-family:var(--font-body);font-weight:600;font-size:12px;background:var(--teal);color:var(--navy);border:none;border-radius:6px;padding:7px 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var(--teal)}.message-meta{display:flex;justify-content:space-between;margin-bottom:10px}.message-from{font-weight:600;font-size:13px}.message-timestamp{font-family:var(--font-mono);font-size:11px;color:#5b6b78}.message-body{font-size:14px;line-height:1.5;overflow-wrap:break-word}.attachment-list{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:4px}.attachment-list li{display:flex;align-items:center;gap:8px;font-size:12px}.attachment-list a{color:var(--teal);text-decoration:none;font-weight:500}.attachment-list a:hover{text-decoration:underline}.attachment-size{font-family:var(--font-mono);color:#5b6b78}.composer{border-top:1px solid var(--border);background:var(--surface);padding:16px 32px 20px;display:flex;flex-direction:column;gap:10px}.composer-fields{display:flex;gap:12px}.composer-field{flex:1;display:flex;flex-direction:column;gap:4px;font-size:12px;color:#5b6b78}.composer-field input{font-family:var(--font-body);font-size:13px;padding:8px 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32px);max-height:calc(100vh - 64px);overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.modal-header h2{font-family:var(--font-display);margin:0}.modal-close{background:transparent;border:none;font-size:22px;line-height:1;cursor:pointer;color:#5b6b78}.modal-tabs{margin-bottom:16px}.admin-section{margin-bottom:24px}.admin-section h3{font-family:var(--font-display);font-size:15px;margin:0 0 10px}.admin-hint{font-size:12px;color:#5b6b78;margin:0 0 12px}.admin-table{width:100%;border-collapse:collapse;font-size:13px;margin-bottom:20px}.admin-table th{text-align:left;font-size:11px;text-transform:uppercase;color:#5b6b78;border-bottom:1px solid var(--border);padding:6px 8px}.admin-table td{padding:8px;border-bottom:1px solid var(--border)}.admin-actions{display:flex;gap:6px;flex-wrap:wrap}.admin-actions button{font-size:11px;background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:4px 8px;cursor:pointer}.admin-actions button:disabled{opacity:.4;cursor:default}.admin-form{display:flex;flex-direction:column;gap:12px;max-width:360px}