:root{--bg:#f5f7fb;--surface:#fff;--surface2:#f0f3f8;--text:#172033;--muted:#718096;--line:#e3e8f0;--primary:#673de6;--primary2:#5124c7;--danger:#d92d20;--shadow:0 12px 38px rgba(20,28,52,.09)}[data-theme=dark]{--bg:#111521;--surface:#191f2d;--surface2:#242b3a;--text:#f2f4f8;--muted:#9aa6b7;--line:#30384a;--shadow:none}*{box-sizing:border-box}body{margin:0;font:14px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit;color:inherit}button,.button{cursor:pointer;border:1px solid var(--line);background:var(--surface);border-radius:9px;padding:9px 13px}.primary{background:var(--primary);border-color:var(--primary);color:white;font-weight:700}.primary:hover{background:var(--primary2)}.muted,small{color:var(--muted)}.eyebrow{letter-spacing:.14em;font-weight:800;font-size:11px;color:var(--primary);margin:0 0 4px}.app-shell{min-height:100vh;display:grid;grid-template-columns:255px 1fr}.sidebar{background:var(--surface);border-right:1px solid var(--line);padding:22px 14px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:11px;font-size:20px;padding:0 9px 23px}.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#673de6,#8c68ef);color:#fff;display:grid;place-items:center;font-weight:900}.compose-btn{margin:0 6px 18px;background:var(--primary);color:#fff;padding:12px 18px;border-radius:11px;text-align:center;font-weight:700;box-shadow:0 7px 18px rgba(103,61,230,.23)}nav{display:grid;gap:4px}.nav-item{display:flex;justify-content:space-between;padding:10px 13px;border-radius:9px;color:var(--muted);font-weight:600}.nav-item:hover,.nav-item.active{background:var(--surface2);color:var(--primary)}.nav-item b{background:#eee7ff;color:var(--primary);min-width:22px;padding:1px 6px;border-radius:10px;text-align:center}.nav-divider{border-top:1px solid var(--line);margin:14px 8px}.sidebar-bottom{margin-top:auto}.profile-mini{border-top:1px solid var(--line);margin-top:12px;padding:17px 7px 0;display:flex;gap:10px;align-items:center}.profile-mini div{min-width:0;flex:1}.profile-mini strong,.profile-mini small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.avatar{width:38px;height:38px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;background:#eae3ff;color:var(--primary);font-weight:800}.main{min-width:0}.topbar{height:72px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 28px;gap:18px;position:sticky;top:0;z-index:4}.menu-toggle{display:none}.icon-btn{width:40px;height:40px;display:grid;place-items:center;padding:0}.search{max-width:680px;flex:1;margin:auto;background:var(--surface2);border-radius:10px;padding:0 14px;display:flex;align-items:center;gap:10px}.search input{width:100%;padding:11px 0;background:transparent;border:0;outline:0}.mail-head{padding:31px 34px 20px;display:flex;align-items:end;justify-content:space-between}.mail-head h1{margin:0;font-size:28px}.toolbar{margin:0 24px 8px;padding:10px;background:var(--surface);border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;gap:7px}.check input{display:none}.check span{display:block;width:18px;height:18px;border:1.5px solid #aab3c3;border-radius:5px}.check input:checked+span{background:var(--primary);border-color:var(--primary);box-shadow:inset 0 0 0 4px var(--surface)}.message-list{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin:0 24px;overflow:hidden}.message-row{display:flex;align-items:center;padding:0 16px;border-bottom:1px solid var(--line);min-height:58px}.message-row:last-child{border:0}.message-row:hover{background:var(--surface2)}.message-row.unread{background:color-mix(in srgb,var(--primary) 5%,var(--surface));font-weight:700}.star{border:0;background:none;color:#abb3c1;font-size:18px;padding:7px}.star.on{color:#f5a623}.message-link{display:grid;grid-template-columns:190px minmax(200px,1fr) 70px;align-items:center;flex:1;min-width:0}.sender,.subject{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.subject small{font-weight:400}.message-link time{text-align:right;color:var(--muted);font-size:12px}.empty{text-align:center;padding:70px}.empty-icon{font-size:36px}.message-view{margin:28px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:30px;min-height:70vh}.message-actions{display:flex;justify-content:space-between}.message-view>h1{font-size:26px;margin:28px 0}.message-meta{display:flex;gap:12px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:20px}.message-meta div{flex:1}.message-meta small{display:block}.message-body{padding:32px 4px;min-height:220px;font-size:15px;white-space:normal}.attachments{display:flex;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line);padding:20px 0}.attachments a{display:flex;gap:9px;padding:12px;border:1px solid var(--line);border-radius:9px}.attachments small{display:block}.reply-actions{display:flex;gap:10px;margin-top:18px}.compose-page,.settings-page,.admin-page{max-width:1200px;margin:auto}.compose-form,.settings-card{margin:0 34px 40px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--shadow)}label{display:grid;gap:6px;font-weight:600}.compose-form>label{grid-template-columns:75px 1fr;align-items:center;border-bottom:1px solid var(--line)}input,textarea,select{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:11px 12px;outline:0}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(103,61,230,.1)}.compose-form>label input{border:0;box-shadow:none}.compose-form textarea{border:0;resize:vertical;padding:20px 8px}.compose-form details{padding:10px 0;border-bottom:1px solid var(--line)}.compose-form details label{grid-template-columns:75px 1fr;margin-top:8px}.compose-actions{border-top:1px solid var(--line);padding-top:17px;display:flex;justify-content:space-between}.attach{display:block;cursor:pointer}.attach input{display:none}.settings-card{max-width:680px;display:grid;gap:18px}.settings-card hr{border:0;border-top:1px solid var(--line);width:100%}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:0 34px 20px}.stats-grid div{background:var(--surface);border:1px solid var(--line);padding:20px;border-radius:12px}.stats-grid strong,.stats-grid span{display:block}.stats-grid strong{font-size:28px}.table-card{margin:0 34px 40px;background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:15px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-size:12px}.user-cell{display:flex;align-items:center;gap:10px}.user-cell small{display:block}.badge,.status{padding:4px 8px;border-radius:20px;background:var(--surface2);font-size:12px}.status.active{background:#e7f8ef;color:#18794e}.status.suspended{background:#feeceb;color:#b42318}.inline-actions{display:flex;gap:6px}.inline-actions input{width:130px;padding:7px}dialog{border:0;padding:0;border-radius:14px;background:transparent;color:var(--text);box-shadow:var(--shadow)}dialog::backdrop{background:rgba(10,15,30,.5)}.modal-card{background:var(--surface);padding:28px;width:min(440px,92vw);display:grid;gap:16px;position:relative}.modal-close{position:absolute;right:15px;top:15px}.input-group{display:flex}.input-group input{border-radius:8px 0 0 8px;min-width:0}.input-group span{padding:11px;background:var(--surface2);border:1px solid var(--line);border-left:0;border-radius:0 8px 8px 0}.auth-wrap{min-height:100vh;display:grid;grid-template-columns:minmax(430px,45%) 1fr;background:var(--surface)}.auth-card{width:min(410px,86%);margin:auto}.auth-brand{padding-left:0}.auth-card h1{font-size:36px;margin:8px 0}.form-stack{display:grid;gap:18px;margin-top:30px}.form-stack input,.form-stack button{width:100%}.security-note{display:block;text-align:center;margin-top:25px}.auth-art{margin:18px;border-radius:24px;background:linear-gradient(145deg,#32148f,#7148e8 55%,#a68af3);color:white;display:grid;place-items:center;padding:10%;position:relative;overflow:hidden}.auth-art:after{content:'';position:absolute;width:420px;height:420px;border:70px solid rgba(255,255,255,.1);border-radius:50%;right:-160px;bottom:-170px}.auth-art h2{font-size:45px;line-height:1.12;max-width:620px;margin:18px 0}.auth-art p{font-size:17px;max-width:560px;color:#e8e0ff}.pill{background:rgba(255,255,255,.15);padding:7px 11px;border-radius:20px}.alert,.toast{padding:12px 15px;border-radius:9px}.alert.danger{background:#feeceb;color:#b42318}.toast{position:fixed;top:18px;right:20px;z-index:99;box-shadow:var(--shadow);background:var(--surface)}.toast.success{border-left:4px solid #12a76a}.toast.danger{border-left:4px solid var(--danger)}.danger-text{color:var(--danger)}
@media(max-width:850px){.app-shell{display:block}.sidebar{position:fixed;z-index:10;left:-270px;width:255px;transition:.2s}.sidebar.open{left:0;box-shadow:var(--shadow)}.menu-toggle{display:grid}.topbar{padding:0 14px}.mail-head{padding:24px 18px 15px}.toolbar,.message-list,.compose-form,.settings-card,.stats-grid,.table-card{margin-left:12px;margin-right:12px}.message-link{grid-template-columns:120px 1fr 55px}.subject small{display:none}.auth-wrap{display:block;padding:30px 0}.auth-card{padding-top:30px}.auth-art{display:none}.stats-grid{grid-template-columns:1fr}.message-view{margin:12px;padding:18px}.inline-actions{flex-wrap:wrap}}

/* Word-style message editor */
.compose-form textarea{width:100%}.rich-editor{margin-top:14px;border:1px solid var(--line);border-radius:11px;overflow:hidden;background:var(--surface)}.editor-toolbar{min-height:50px;padding:7px;display:flex;align-items:center;gap:3px;flex-wrap:wrap;background:var(--surface2);border-bottom:1px solid var(--line)}.editor-toolbar button,.editor-toolbar select,.color-tool{height:34px;min-width:34px;border:1px solid transparent;background:transparent;border-radius:6px;padding:5px 8px;display:inline-flex;align-items:center;justify-content:center}.editor-toolbar button:hover,.editor-toolbar select:hover,.color-tool:hover{background:var(--surface);border-color:var(--line)}.editor-toolbar select{width:auto}.tool-separator{height:24px;border-left:1px solid var(--line);margin:0 3px}.color-tool{position:relative;font-weight:800;text-decoration:underline;text-decoration-color:#673de6;text-decoration-thickness:3px;cursor:pointer}.color-tool.highlight{background:#fff59d;color:#172033}.color-tool input{position:absolute;inset:0;opacity:0;width:100%;cursor:pointer}.editor-content{min-height:330px;padding:22px;outline:0;font-size:14px;line-height:1.65;overflow:auto}.editor-content:empty:before{content:attr(data-placeholder);color:var(--muted);pointer-events:none}.editor-content h1{font-size:28px}.editor-content h2{font-size:23px}.editor-content h3{font-size:18px}.editor-content blockquote{border-left:3px solid var(--primary);margin-left:0;padding-left:15px;color:var(--muted)}.editor-content a,.message-body a{color:var(--primary);text-decoration:underline}.compose-actions{margin-top:14px}
@media(max-width:850px){.editor-toolbar{max-height:132px;overflow-y:auto}.editor-content{min-height:260px;padding:16px}.tool-separator{display:none}}

/* Collapsible navigation */
.menu-toggle{display:grid}.app-shell{transition:grid-template-columns .2s ease}.sidebar{transition:transform .2s ease,visibility .2s ease}.app-shell.sidebar-collapsed{grid-template-columns:0 minmax(0,1fr)}.app-shell.sidebar-collapsed .sidebar{transform:translateX(-100%);visibility:hidden;overflow:hidden}
@media(max-width:850px){.app-shell.sidebar-collapsed{display:block}.app-shell.sidebar-collapsed .sidebar{visibility:visible}.sidebar{transform:translateX(0)}.sidebar.open{transform:translateX(0)}}

/* Selected attachment preview */
.selected-attachments{margin-top:14px;border:1px solid var(--line);border-radius:10px;background:var(--surface2);padding:10px}.attachment-summary{display:flex;justify-content:space-between;align-items:center;padding:3px 5px 9px;color:var(--muted);font-size:12px}.selected-file{display:flex;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:9px 10px;margin-top:6px}.selected-file>div{display:flex;align-items:center;gap:10px;min-width:0}.selected-file strong,.selected-file small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.selected-file strong{max-width:520px}.file-icon{width:32px;height:32px;display:grid;place-items:center;background:var(--surface2);border-radius:7px}.remove-file{border:0;background:transparent;color:var(--danger);font-size:22px;line-height:1;padding:5px 8px}.attach{padding:8px 11px;border-radius:8px}.attach:hover{background:var(--surface2)}