:root {
    --bg:#f5f5f5;
    --surface:#fff;
    --surface2:#fafafa;
    --surface3:#f2f2f2;
    --hover:#f0f0f0;
    --selected:#e8f2fb;
    --selected-strong:#d9ecfb;
    --border:#e2e2e2;
    --border2:#d1d1d1;
    --text:#242424;
    --muted:#666;
    --subtle:#8a8a8a;
    --primary:#0f6cbd;
    --primary-hover:#115ea3;
    --danger:#c42b1c;
    --calendar:#0f6cbd;
    --team:#8764b8;
    --shadow:0 8px 30px rgba(0,0,0,.16);
    --icon-filter:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' fill='none' stroke='%23555' stroke-width='1.6'%3E%3Cpath d='M3 5h14M5 10h10M8 15h4'/%3E%3C/svg%3E");
}

html[data-theme="dark"] {
    --bg:#111;
    --surface:#1b1b1b;
    --surface2:#202020;
    --surface3:#292929;
    --hover:#303030;
    --selected:#153450;
    --selected-strong:#17466d;
    --border:#353535;
    --border2:#494949;
    --text:#f3f3f3;
    --muted:#b5b5b5;
    --subtle:#909090;
    --primary:#479ef5;
    --primary-hover:#62abf5;
    --danger:#ff6b5e;
    --shadow:0 8px 30px rgba(0,0,0,.45);
    color-scheme:dark;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{
    overflow:hidden;
    background:var(--bg);
    color:var(--text);
    font:14px "Segoe UI",Arial,sans-serif
}
button,input,select,textarea{font:inherit}
button{color:inherit}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
    outline:2px solid var(--primary);
    outline-offset:-1px
}
.hidden{display:none!important}
.mobile-only{display:none}

/* LOGIN */

.login-screen{
    height:100vh;
    display:grid;
    place-items:center;
    background:
      radial-gradient(circle at 20% 10%,rgba(15,108,189,.09),transparent 35%),
      var(--bg)
}
.login-card{
    width:390px;
    max-width:calc(100vw - 32px);
    padding:40px;
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:10px;
    box-shadow:var(--shadow)
}
.login-logo,.brand-logo{
    display:grid;
    place-items:center;
    background:#111;
    color:#fff;
    font-weight:700;
    border-radius:4px
}
.login-logo{width:44px;height:44px;margin-bottom:22px}
.login-card h1{margin:0;font-size:25px}
.login-subtitle{margin:4px 0 30px;color:var(--muted);font-size:17px}
.login-card label{
    display:block;
    font-size:12px;
    font-weight:600;
    margin:17px 0 6px
}
.login-card input{
    width:100%;height:42px;
    border:1px solid var(--border2);
    border-radius:4px;
    padding:0 11px;
    background:var(--surface);
    color:var(--text)
}
.password-wrap{position:relative}
.password-wrap input{padding-right:42px}
.input-icon{
    position:absolute;right:4px;top:4px;width:34px;height:34px;
    border:0;background:transparent;cursor:pointer
}
.input-icon::before{content:"◉";color:var(--muted)}
.login-button{
    width:100%;height:42px;margin:24px 0 22px;
    border:0;border-radius:4px;background:var(--primary);color:#fff;
    font-weight:600;cursor:pointer
}
.login-button:hover{background:var(--primary-hover)}
.login-card small{color:var(--muted)}

/* SHELL */

.workspace{height:100vh;display:grid;grid-template-rows:48px 1fr}
.topbar{
    display:grid;
    grid-template-columns:245px minmax(280px,650px) 1fr;
    align-items:center;gap:18px;padding:0 12px;
    background:var(--surface);
    border-bottom:1px solid var(--border);
    z-index:50
}
.brand{display:flex;align-items:center;gap:10px;font-weight:600}
.brand-logo{width:28px;height:28px;font-size:11px}
.global-search{position:relative;height:32px}
.global-search input,.local-search input{
    width:100%;height:100%;border:1px solid var(--border2);
    background:var(--surface3);color:var(--text);
    border-radius:4px;padding:0 38px
}
.search-symbol::before{
    content:"";
    position:absolute;width:15px;height:15px;left:12px;top:8px;
    border:1.5px solid var(--muted);border-radius:50%
}
.search-symbol::after{
    content:"";position:absolute;width:6px;height:1.5px;
    background:var(--muted);transform:rotate(45deg);left:24px;top:21px
}
.top-actions{display:flex;justify-content:flex-end;align-items:center;gap:3px;position:relative}
.top-icon,.square-button,.icon-action,.window-button{
    border:0;background:transparent;border-radius:4px;cursor:pointer;
    display:grid;place-items:center
}
.top-icon{width:34px;height:34px}
.top-icon:hover,.icon-action:hover,.window-button:hover{background:var(--hover)}

#themeToggle::before{content:"☀";font-size:18px}
html[data-theme="light"] #themeToggle::before{content:"☾";font-size:19px}
#notificationButton::before{content:"";width:13px;height:14px;border:1.5px solid currentColor;border-radius:8px 8px 5px 5px}
#helpButton::before{content:"?";font-weight:600}

.profile-avatar,.profile-big-avatar,.sender-avatar,.contact-big-avatar{
    display:grid;place-items:center;border-radius:50%;font-weight:600
}
.profile-avatar{
    width:30px;height:30px;border:0;background:var(--text);
    color:var(--surface);font-size:11px;cursor:pointer
}
.profile-menu{
    position:absolute;right:0;top:41px;width:290px;
    background:var(--surface);border:1px solid var(--border);
    box-shadow:var(--shadow);border-radius:5px;padding:8px;z-index:100
}
.profile-header{display:flex;gap:11px;padding:10px;border-bottom:1px solid var(--border);margin-bottom:6px}
.profile-big-avatar{width:42px;height:42px;background:var(--surface3)}
.profile-header strong,.profile-header span{display:block}
.profile-header span{color:var(--muted);font-size:12px;margin-top:3px}
.profile-menu>button{
    width:100%;height:34px;border:0;background:transparent;text-align:left;
    border-radius:3px;padding:0 9px;cursor:pointer
}
.profile-menu>button:hover{background:var(--hover)}

.app-layout{min-height:0;display:grid;grid-template-columns:48px 1fr}
.app-rail{
    background:var(--surface2);border-right:1px solid var(--border);
    display:flex;flex-direction:column;align-items:center;padding:7px 0;gap:4px
}
.rail-button{
    width:40px;height:40px;border:0;background:transparent;border-radius:4px;
    cursor:pointer;position:relative
}
.rail-button:hover{background:var(--hover)}
.rail-button.active{background:var(--selected)}
.rail-button.active::after{
    content:"";position:absolute;left:0;top:9px;width:3px;height:22px;
    border-radius:3px;background:var(--primary)
}
.rail-spacer{flex:1}
.rail-button::before{
    content:"";display:block;margin:auto;width:19px;height:19px;
    background:currentColor;mask-size:contain;mask-position:center;mask-repeat:no-repeat
}
.rail-button[data-app="mail"]::before{mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 5h18v14H3zM3 6l9 7 9-7' fill='none' stroke='black' stroke-width='1.7'/%3E%3C/svg%3E")}
.rail-button[data-app="calendar"]::before{mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 5h16v15H4zM4 9h16M8 3v4M16 3v4' fill='none' stroke='black' stroke-width='1.7'/%3E%3C/svg%3E")}
.rail-button[data-app="contacts"]::before{mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='8' r='3.5' fill='none' stroke='black' stroke-width='1.7'/%3E%3Cpath d='M5 20c.5-5 3-7 7-7s6.5 2 7 7' fill='none' stroke='black' stroke-width='1.7'/%3E%3C/svg%3E")}
.rail-button[data-app="files"]::before{mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M3 6h7l2 2h9v11H3z' fill='none' stroke='black' stroke-width='1.7'/%3E%3C/svg%3E")}
.rail-button[data-app="admin"]::before{mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='3' fill='none' stroke='black' stroke-width='1.7'/%3E%3Cpath d='M12 3v3M12 18v3M3 12h3M18 12h3M5.6 5.6l2.1 2.1M16.3 16.3l2.1 2.1M18.4 5.6l-2.1 2.1M7.7 16.3l-2.1 2.1' stroke='black' stroke-width='1.7'/%3E%3C/svg%3E")}
.rail-button[data-app="settings"]::before{mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='3' fill='none' stroke='black' stroke-width='1.7'/%3E%3Cpath d='M12 2v3M12 19v3M2 12h3M19 12h3' stroke='black' stroke-width='1.7'/%3E%3C/svg%3E")}

.apps{min-width:0;min-height:0;background:var(--surface)}
.app{height:100%;display:none;min-width:0;min-height:0}
.app.active{display:grid}

/* COMMON */

.primary-action,.secondary-button,.toolbar-button,.view-button,.text-action,.plain-button{
    height:32px;border-radius:4px;cursor:pointer
}
.primary-action{
    border:0;background:var(--primary);color:#fff;padding:0 13px;font-weight:600
}
.primary-action:hover{background:var(--primary-hover)}
.secondary-button,.view-button{
    border:1px solid var(--border2);background:var(--surface);padding:0 12px
}
.secondary-button:hover,.view-button:hover,.toolbar-button:hover,.text-action:hover{background:var(--hover)}
.toolbar-button,.text-action,.plain-button{
    border:0;background:transparent;padding:0 9px
}
.toolbar-divider{width:1px;height:24px;background:var(--border);margin:0 3px}
.icon-action{width:32px;height:32px}
.icon-action::before,.previous::before,.next::before{
    content:"";width:17px;height:17px;background:currentColor;
    mask-repeat:no-repeat;mask-position:center;mask-size:contain
}
.previous::before{mask-image:linear-gradient(45deg,transparent 45%,#000 45% 55%,transparent 55%),linear-gradient(135deg,transparent 45%,#000 45% 55%,transparent 55%)}
.next::before{transform:rotate(180deg);mask-image:linear-gradient(45deg,transparent 45%,#000 45% 55%,transparent 55%),linear-gradient(135deg,transparent 45%,#000 45% 55%,transparent 55%)}
.push-right{margin-left:auto}
.danger,.danger-text{color:var(--danger)}
.empty-state{
    height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;
    color:var(--muted);text-align:center
}
.empty-state h2{font-size:17px;color:var(--text);margin:14px 0 4px}
.empty-state p{margin:0}
.empty-icon{width:42px;height:42px;border:1.5px solid var(--muted);border-radius:5px}

/* MAIL */

#app-mail{grid-template-columns:245px 350px minmax(350px,1fr)}
.mail-navigation{
    background:var(--surface2);border-right:1px solid var(--border);
    overflow:auto;padding:8px 7px
}
.mail-nav-toolbar{padding-bottom:10px}
.mail-nav-toolbar .primary-action{width:100%;text-align:left}
.mail-section-title,.mail-account-title{
    width:100%;height:32px;border:0;background:transparent;
    display:flex;align-items:center;gap:7px;padding:0 7px;
    cursor:pointer;font-weight:600;text-align:left
}
.mail-account-title{margin-top:5px}
.chevron{
    width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
    transform:rotate(45deg);transition:.15s
}
.collapsed .chevron{transform:rotate(-45deg)}
.mail-folder{
    width:100%;height:31px;border:0;background:transparent;border-radius:3px;
    display:flex;align-items:center;gap:9px;padding:0 9px 0 27px;cursor:pointer;text-align:left
}
.mail-folder:hover{background:var(--hover)}
.mail-folder.active{background:var(--selected);font-weight:600}
.folder-count{margin-left:auto;color:var(--primary);font-size:12px;font-weight:600}
.folder-icon{width:16px;height:16px;position:relative}
.folder-icon::before{content:"";position:absolute;inset:1px;border:1.4px solid currentColor;border-radius:2px}
.nav-bottom-action{
    border:0;background:transparent;height:36px;margin:9px 6px;padding:0 8px;
    color:var(--primary);cursor:pointer
}
.mail-list-column{border-right:1px solid var(--border);display:grid;grid-template-rows:57px 40px 1fr;min-width:0}
.mail-list-header{display:flex;align-items:center;justify-content:space-between;padding:0 13px;border-bottom:1px solid var(--border)}
.mail-list-header h2{margin:0;font-size:18px}
.mail-list-header span{display:block;color:var(--muted);font-size:11px;margin-top:2px}
.inline-actions{display:flex}
.mail-filterbar{display:flex;align-items:center;padding:0 8px;border-bottom:1px solid var(--border)}
.filter-tab{height:32px;border:0;background:transparent;padding:0 9px;cursor:pointer;border-bottom:2px solid transparent}
.filter-tab.active{color:var(--primary);border-color:var(--primary);font-weight:600}
.message-list{overflow:auto}
.message{
    min-height:82px;padding:10px 12px 10px 18px;border-bottom:1px solid var(--border);
    cursor:pointer;position:relative
}
.message:hover{background:var(--hover)}
.message.active{background:var(--selected)}
.message.unread::before{
    content:"";position:absolute;left:7px;top:18px;width:6px;height:6px;background:var(--primary);border-radius:50%
}
.message-top{display:flex;justify-content:space-between;gap:10px}
.message-sender{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.message-time{color:var(--subtle);font-size:11px}
.message-subject{margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.message.unread .message-subject{font-weight:600}
.message-preview{margin-top:3px;color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.reading-column{min-width:0}
.reading-pane{height:100%;display:grid;grid-template-rows:48px 1fr}
.reading-toolbar{display:flex;align-items:center;padding:0 13px;border-bottom:1px solid var(--border);gap:2px}
.reading-content{overflow:auto;padding:27px 30px}
.reading-content h1{font-size:22px;font-weight:500;margin:0 0 24px}
.reading-sender-row{display:flex;gap:11px;margin-bottom:28px}
.sender-avatar{width:40px;height:40px;background:var(--surface3)}
.reading-sender-info strong,.reading-sender-info span{display:block}
.reading-sender-info span{color:var(--muted);font-size:12px;margin-top:2px}
.reading-body{max-width:850px;line-height:1.65}
.reading-body p{margin:0 0 15px}

/* CALENDAR */

#app-calendar{grid-template-columns:238px 1fr}
.calendar-sidebar{
    background:var(--surface2);border-right:1px solid var(--border);
    padding:12px;overflow:auto
}
.mini-calendar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;font-weight:600}
.mini-calendar-controls{display:flex}
.mini-calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;gap:2px}
.mini-day-name{font-size:10px;color:var(--muted);padding:3px}
.mini-day{
    height:27px;border:0;background:transparent;border-radius:50%;cursor:pointer;font-size:11px
}
.mini-day:hover{background:var(--hover)}
.mini-day.today{background:var(--primary);color:#fff}
.mini-day.selected:not(.today){outline:1px solid var(--primary)}
.mini-day.other{color:var(--subtle)}
.sidebar-link{
    width:100%;height:36px;margin:16px 0;border:0;background:transparent;
    color:var(--primary);text-align:left;cursor:pointer
}
.sidebar-section{margin-top:14px}
.section-toggle{
    border:0;background:transparent;font-weight:600;height:32px;display:flex;align-items:center;gap:9px;cursor:pointer
}
.calendar-check{display:flex;align-items:center;gap:8px;height:32px;padding-left:7px}
.calendar-check input{display:none}
.calendar-dot{width:14px;height:14px;border-radius:50%;background:var(--calendar);position:relative}
.calendar-dot.team{background:var(--team)}
.calendar-check input:not(:checked)+.calendar-dot{background:transparent;border:1px solid var(--border2)}
.calendar-main{display:grid;grid-template-rows:48px 50px 1fr;min-width:0}
.calendar-toolbar,.calendar-datebar{display:flex;align-items:center;gap:5px;padding:0 9px;border-bottom:1px solid var(--border)}
.view-button.active{background:var(--selected);border-color:var(--primary)}
.calendar-datebar h2{font-size:18px;margin-left:8px}
.calendar-view{overflow:auto;position:relative}
.week-grid{
    min-width:800px;display:grid;
    grid-template-columns:48px repeat(var(--days),minmax(145px,1fr));
    position:relative
}
.week-corner,.week-day-header{
    height:55px;position:sticky;top:0;background:var(--surface2);z-index:4;border-bottom:1px solid var(--border)
}
.week-day-header{padding:8px 11px;border-left:1px solid var(--border)}
.week-day-header strong{display:block;color:var(--primary);font-size:17px}
.week-time{height:60px;padding:4px 7px;text-align:right;color:var(--muted);font-size:11px;border-bottom:1px solid var(--border)}
.week-cell{height:60px;border-left:1px solid var(--border);border-bottom:1px solid var(--border);position:relative;cursor:pointer}
.week-cell:hover{background:var(--hover)}
.calendar-event{
    position:absolute;left:3px;right:3px;top:3px;min-height:54px;
    background:var(--selected-strong);border-left:3px solid var(--calendar);
    border-radius:2px;padding:5px 6px;font-size:11px;z-index:2;cursor:pointer;overflow:hidden
}
.calendar-event.team{border-color:var(--team)}
.month-grid{display:grid;grid-template-columns:repeat(7,1fr);min-width:800px;height:100%}
.month-head{height:36px;padding:9px;border-bottom:1px solid var(--border);font-size:11px;color:var(--muted)}
.month-cell{min-height:120px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);padding:7px;cursor:pointer}
.month-cell:hover{background:var(--hover)}
.month-number{font-size:12px;margin-bottom:5px}
.month-event{font-size:11px;background:var(--selected);padding:4px;margin:2px 0;border-radius:2px}

/* CONTACTS */

#app-contacts{grid-template-columns:230px 330px 1fr}
.contacts-sidebar{background:var(--surface2);border-right:1px solid var(--border);padding:10px}
.contacts-sidebar>.primary-action{width:100%;text-align:left}
.contacts-nav{margin-top:16px}
.contact-nav-item{
    width:100%;height:34px;border:0;background:transparent;text-align:left;padding:0 10px;border-radius:3px;cursor:pointer
}
.contact-nav-item:hover{background:var(--hover)}
.contact-nav-item.active{background:var(--selected);font-weight:600}
.contacts-list-column{border-right:1px solid var(--border);display:grid;grid-template-rows:55px 48px 1fr;min-width:0}
.contacts-list-header{display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid var(--border)}
.contacts-list-header h2{font-size:18px}
.contacts-list-header span{color:var(--muted)}
.local-search{position:relative;height:32px;margin:8px 10px}
.contact-list{overflow:auto}
.contact-row{padding:11px 14px;border-bottom:1px solid var(--border);cursor:pointer}
.contact-row:hover{background:var(--hover)}
.contact-row.active{background:var(--selected)}
.contact-row strong,.contact-row span{display:block}
.contact-row span{color:var(--muted);font-size:12px;margin-top:3px}
.contact-detail-column{overflow:auto}
.contact-detail{padding:26px 32px}
.contact-actions{display:flex;gap:7px;margin-bottom:28px}
.contact-big-avatar{width:68px;height:68px;background:var(--surface3);font-size:20px}
.contact-detail h1{font-size:25px;margin:14px 0 3px}
.contact-company{color:var(--muted);margin:0 0 30px}
.contact-information{display:grid;grid-template-columns:repeat(2,minmax(180px,350px));gap:22px 35px}
.contact-information label{display:block;color:var(--muted);font-size:11px;margin-bottom:5px}
.contact-information a{color:var(--primary);cursor:pointer}

/* SIMPLE / ADMIN / SETTINGS */

.simple-app{display:none!important;overflow:auto;padding:24px}
.simple-app.active{display:block!important}
.simple-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.simple-header h1{margin:0;font-size:24px}
.simple-header p{margin:4px 0 0;color:var(--muted)}
.breadcrumbs{padding:10px 0;color:var(--muted)}
.table-wrap{border:1px solid var(--border);border-radius:4px;overflow:hidden}
.data-table{width:100%;border-collapse:collapse}
.data-table th{text-align:left;color:var(--muted);font-size:11px;font-weight:500;background:var(--surface2)}
.data-table th,.data-table td{height:45px;padding:0 12px;border-bottom:1px solid var(--border)}
.data-table tbody tr:hover{background:var(--hover)}
.admin-layout,.settings-layout{grid-template-columns:230px 1fr}
.settings-sidebar{background:var(--surface2);border-right:1px solid var(--border);padding:18px 9px}
.settings-sidebar h2{margin:0 10px 18px}
.settings-nav{width:100%;height:35px;border:0;background:transparent;text-align:left;border-radius:3px;padding:0 10px;cursor:pointer}
.settings-nav:hover{background:var(--hover)}
.settings-nav.active{background:var(--selected);font-weight:600}
.settings-content{padding:25px;overflow:auto}
.settings-content>h1{margin-top:0}
.setting-card{max-width:800px;border-bottom:1px solid var(--border);padding:17px 0;display:flex;justify-content:space-between;gap:20px}
.setting-card strong,.setting-card span{display:block}
.setting-card span{color:var(--muted);margin-top:4px;font-size:12px}

/* COMPOSE */

.overlay{position:fixed;inset:0;background:rgba(0,0,0,.28);z-index:300;display:grid;place-items:center}
.compose-window{
    width:min(900px,calc(100vw - 45px));height:min(720px,calc(100vh - 55px));
    background:var(--surface);border:1px solid var(--border);
    border-radius:6px;box-shadow:var(--shadow);
    display:grid;grid-template-rows:42px 48px auto auto auto 42px auto 1fr 45px;
    overflow:hidden
}
.compose-header,.modal>header{
    display:flex;align-items:center;justify-content:space-between;padding:0 12px;
    background:var(--surface3);border-bottom:1px solid var(--border)
}
.compose-commandbar{display:flex;align-items:center;gap:12px;padding:0 12px;border-bottom:1px solid var(--border)}
.send-button{height:34px;border:0;background:var(--primary);color:#fff;border-radius:4px;padding:0 17px;font-weight:600;cursor:pointer}
.from-control{display:flex;align-items:center;gap:7px}
.from-control select{height:32px;max-width:330px;border:0;background:transparent;color:var(--text)}
.compose-command-spacer{flex:1}
.compose-address-row{min-height:45px;display:grid;grid-template-columns:56px 1fr auto;align-items:center;padding:0 12px;border-bottom:1px solid var(--border)}
.address-label{height:30px;border:1px solid var(--border2);background:var(--surface);border-radius:3px}
.compose-address-row input,.compose-subject{
    border:0;background:transparent;color:var(--text);outline:0
}
.compose-address-row input{height:42px;padding:0 10px}
.compose-subject{height:42px;padding:0 18px;border-bottom:1px solid var(--border)}
.compose-body{border:0;resize:none;outline:0;background:var(--surface);color:var(--text);padding:18px;line-height:1.55}
.compose-footer{border-top:1px solid var(--border);display:flex;align-items:center;padding:0 10px}
.compose-footer span{margin-left:auto;color:var(--muted);font-size:11px}
.compose-attachments{padding:8px 18px;border-bottom:1px solid var(--border);font-size:12px}
.window-button{width:30px;height:30px}
.window-button.close::before{content:"×";font-size:19px}
.window-button:not(.close)::before{content:"—"}

/* MODAL */

.modal{
    width:min(580px,calc(100vw - 30px));max-height:calc(100vh - 40px);
    background:var(--surface);border:1px solid var(--border);border-radius:6px;
    box-shadow:var(--shadow);display:grid;grid-template-rows:48px 1fr 58px;overflow:hidden
}
.modal>header h2{font-size:18px}
.modal-body{padding:18px;overflow:auto}
.modal>footer{display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:0 15px;border-top:1px solid var(--border)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.form-field.full{grid-column:1/-1}
.form-field label{display:block;font-size:11px;color:var(--muted);margin-bottom:5px}
.form-field input,.form-field select,.form-field textarea{
    width:100%;border:1px solid var(--border2);background:var(--surface);
    color:var(--text);border-radius:3px;padding:8px
}
.form-field textarea{min-height:80px;resize:vertical}
.toast{
    position:fixed;right:18px;bottom:18px;z-index:500;
    background:var(--text);color:var(--surface);padding:10px 15px;border-radius:4px;
    box-shadow:var(--shadow);opacity:0;transform:translateY(10px);pointer-events:none;transition:.18s
}
.toast.show{opacity:1;transform:none}

/* RESPONSIVE */

@media(max-width:1000px){
    #app-mail{grid-template-columns:210px 310px 1fr}
    #app-contacts{grid-template-columns:200px 300px 1fr}
    .topbar{grid-template-columns:200px 1fr auto}
}
@media(max-width:760px){
    .topbar{grid-template-columns:1fr auto}
    .global-search{display:none}
    .brand span{display:none}
    .app-layout{grid-template-columns:1fr;grid-template-rows:1fr 50px}
    .app-rail{
        grid-row:2;flex-direction:row;border-right:0;border-top:1px solid var(--border);
        justify-content:space-around;padding:4px
    }
    .rail-spacer{display:none}
    .apps{grid-row:1}
    #app-mail{grid-template-columns:1fr}
    .mail-navigation,.reading-column{display:none}
    #app-calendar{grid-template-columns:1fr}
    .calendar-sidebar{display:none}
    #app-contacts{grid-template-columns:1fr}
    .contacts-sidebar,.contact-detail-column{display:none}
    .admin-layout,.settings-layout{grid-template-columns:1fr}
    .settings-sidebar{display:none}
}