:root{--blue:#0795d2;--blue-dark:#0476ad;--blue-deep:#075f91;--blue-soft:#e9f6fc;--bg:#f2f5f7;--surface:#fff;--surface-2:#f8fafb;--text:#17242b;--muted:#667680;--border:#dce4e8;--danger:#c83e45;--success:#16845b;--warning:#d38a13;--shadow:0 12px 34px rgba(18,61,82,.11);--sidebar:255px}
[data-theme=dark]{--blue:#168fc4;--blue-dark:#0876a8;--blue-deep:#073f5e;--blue-soft:#123747;--bg:#11191e;--surface:#182329;--surface-2:#202d34;--text:#edf4f7;--muted:#adbbc2;--border:#33434b;--shadow:0 12px 34px rgba(0,0,0,.24);color-scheme:dark}
*{box-sizing:border-box}html{font-size:16px}body{margin:0;font-family:"Segoe UI",Arial,sans-serif;color:var(--text);background:var(--bg)}button,input{font:inherit}a{text-decoration:none;color:inherit}button{cursor:pointer}.alert{padding:12px 14px;margin-bottom:18px;border-radius:8px;font-size:14px}.alert-danger{color:#a3262d;background:#fff0f1;border:1px solid #f0bfc3}.alert-success{color:#0e6b48;background:#eaf8f2;border:1px solid #b6dfce}[data-theme=dark] .alert-danger{color:#ffc5c8;background:#3c2226;border-color:#71383d}[data-theme=dark] .alert-success{color:#b9efd9;background:#19382d;border-color:#2f6a55}
/* Login simples e prático */
.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:#e9eef2}.login-card{width:min(680px,100%);min-height:360px;display:grid;grid-template-columns:250px 1fr;overflow:hidden;background:#fff;border-radius:10px;box-shadow:0 16px 45px rgba(21,58,76,.2)}.login-brand{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 25px;text-align:center;color:#fff;background:linear-gradient(155deg,var(--blue),var(--blue-deep))}.login-logo{width:76px;height:76px;display:grid;place-items:center;margin-bottom:16px;border:2px solid rgba(255,255,255,.75);border-radius:18px;font-size:25px;font-weight:800}.login-brand h1{margin:0 0 10px;font-size:27px}.login-brand p{margin:0;color:rgba(255,255,255,.92);font-size:14px;line-height:1.5}.login-brand small{margin-top:28px;color:rgba(255,255,255,.75)}.login-form-panel{display:flex;flex-direction:column;justify-content:center;padding:38px 36px;color:#17242b}.login-heading h2{margin:0 0 7px;font-size:20px}.login-heading p{margin:0 0 24px;color:#687983;font-size:14px}.form-group{margin-bottom:17px}.form-group label{display:block;margin-bottom:7px;font-size:14px;font-weight:650}.form-group input{width:100%;height:44px;padding:0 13px;border:1px solid #cfd9de;border-radius:7px;outline:none;background:#fff;color:#17242b}.form-group input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(7,149,210,.15)}.password-field{position:relative}.password-field input{padding-right:70px}.password-field button{position:absolute;right:8px;top:50%;transform:translateY(-50%);border:0;background:transparent;color:var(--blue-dark);font-size:12px}.field-error{display:block;margin-top:5px;color:var(--danger);font-size:12px}.check-line{display:flex;align-items:center;gap:7px;margin:2px 0 20px;color:#52636c;font-size:13px}.check-line input{accent-color:var(--blue)}.login-actions{display:flex;gap:10px;justify-content:flex-start}.btn{min-width:105px;height:41px;padding:0 20px;border:0;border-radius:22px;font-weight:650}.btn-primary{color:#fff;background:var(--blue)}.btn-primary:hover{background:var(--blue-dark)}.btn-light{color:#32434c;background:#dfe5e8}
/* Estrutura interna */
.app-sidebar{position:fixed;inset:0 auto 0 0;z-index:30;width:var(--sidebar);display:flex;flex-direction:column;color:#fff;background:linear-gradient(180deg,var(--blue),var(--blue-deep));transition:transform .25s}.sidebar-brand{min-height:82px;display:flex;align-items:center;gap:12px;padding:17px 20px;border-bottom:1px solid rgba(255,255,255,.2)}.brand-mark{width:45px;height:45px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.55);border-radius:11px;background:rgba(255,255,255,.12);font-weight:800}.sidebar-brand b,.sidebar-brand small{display:block}.sidebar-brand small{margin-top:3px;color:rgba(255,255,255,.78);font-size:11px}.sidebar-nav{flex:1;overflow-y:auto;padding:17px 12px}.nav-item,.nav-group-toggle{width:100%;min-height:45px;display:flex;align-items:center;gap:11px;padding:10px 13px;color:#fff;border:0;border-radius:8px;background:transparent;text-align:left;font-size:14px}.nav-group-toggle{justify-content:space-between;margin-top:5px}.nav-group-toggle>span:first-child{display:flex;align-items:center;gap:11px}.nav-item:hover,.nav-group-toggle:hover,.nav-item.active{background:rgba(255,255,255,.17)}.nav-item.active{box-shadow:inset 4px 0 #fff;font-weight:700}.nav-symbol{width:24px;text-align:center;font-size:15px}.nav-submenu{display:none;margin:2px 0 7px 37px;padding-left:12px;border-left:1px solid rgba(255,255,255,.32)}.nav-submenu.open{display:block}.nav-submenu a{display:block;padding:9px 8px;color:rgba(255,255,255,.84);border-radius:6px;font-size:13px}.nav-submenu a:hover{color:#fff;background:rgba(255,255,255,.12)}.sidebar-footer{padding:13px 20px;border-top:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.65);font-size:11px}.app-main{min-height:100vh;margin-left:var(--sidebar)}.app-topbar{position:sticky;top:0;z-index:20;height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 30px;background:var(--surface);border-bottom:1px solid var(--border)}.topbar-left{display:flex;align-items:center;gap:13px}.topbar-left b,.topbar-left small{display:block}.topbar-left small{margin-top:4px;color:var(--muted);font-size:11px}.topbar-actions{display:flex;align-items:center;gap:11px}.icon-button{position:relative;width:40px;height:40px;border:1px solid var(--border);border-radius:9px;color:var(--text);background:var(--surface-2)}.icon-button:hover{border-color:var(--blue);color:var(--blue)}.mobile-menu{display:none}.notification-button em{position:absolute;right:-5px;top:-5px;min-width:18px;height:18px;padding:0 4px;display:grid;place-items:center;border:2px solid var(--surface);border-radius:10px;color:#fff;background:var(--danger);font-size:9px;font-style:normal}.dropdown-wrap{position:relative}.dropdown{position:absolute;right:0;top:calc(100% + 10px);width:350px;display:none;overflow:hidden;background:var(--surface);border:1px solid var(--border);border-radius:11px;box-shadow:var(--shadow)}.dropdown.open{display:block}.dropdown-head{display:flex;align-items:center;justify-content:space-between;padding:15px 17px;border-bottom:1px solid var(--border)}.dropdown-head b{font-size:14px}.dropdown-head span{color:var(--blue);font-size:11px}.notification-list{max-height:330px;overflow-y:auto}.notification-item{padding:13px 17px;border-bottom:1px solid var(--border)}.notification-item.unread{background:var(--blue-soft);border-left:3px solid var(--blue)}.notification-item b{font-size:13px}.notification-item p{margin:5px 0;color:var(--muted);font-size:12px;line-height:1.4}.notification-item small{color:var(--muted);font-size:10px}.empty-notifications{padding:35px 18px;text-align:center;color:var(--muted);font-size:13px}.dropdown-footer{padding:10px;text-align:center}.dropdown-footer button{border:0;color:var(--blue);background:transparent;font-size:12px;font-weight:650}.user-summary{display:flex;align-items:center;gap:9px}.user-avatar{width:41px;height:41px;display:grid;place-items:center;color:#fff;background:var(--blue-dark);border-radius:10px;font-weight:750}.user-summary b,.user-summary small{display:block;max-width:185px}.user-summary b{font-size:13px}.user-summary small{margin-top:3px;color:var(--muted);font-size:10px}.logout-button{height:37px;padding:0 14px;color:var(--danger);background:transparent;border:1px solid color-mix(in srgb,var(--danger) 35%,transparent);border-radius:8px}.page-content{padding:30px}.welcome-row{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:25px}.welcome-row h1{margin:0 0 6px;font-size:31px}.welcome-row p{margin:0;color:var(--muted)}.date-chip{padding:9px 13px;color:var(--blue-dark);background:var(--blue-soft);border-radius:8px;font-size:12px;font-weight:700}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;margin-bottom:22px}.stat-card{min-height:145px;padding:20px;background:var(--surface);border:1px solid var(--border);border-top:4px solid var(--blue);border-radius:12px;box-shadow:0 5px 18px rgba(24,66,86,.04)}.stat-card span,.stat-card small{display:block;color:var(--muted);font-size:12px}.stat-card strong{display:block;margin:19px 0 6px;font-size:30px}.stat-danger{border-top-color:var(--danger)}.dashboard-grid{display:grid;grid-template-columns:1.45fr .55fr;gap:20px}.panel-card{background:var(--surface);border:1px solid var(--border);border-radius:12px}.panel-heading{padding:17px 20px;border-bottom:1px solid var(--border)}.panel-heading h2{margin:0;font-size:15px}.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:18px}.quick-link{min-height:105px;display:flex;flex-direction:column;justify-content:center;padding:15px;border:1px solid var(--border);border-radius:9px}.quick-link:hover{border-color:var(--blue);background:var(--blue-soft)}.quick-link span{color:var(--blue);font-weight:700}.quick-link b{margin:8px 0 5px;font-size:13px}.quick-link small{color:var(--muted);font-size:11px}.summary-list{padding:10px 18px}.summary-list>div{display:flex;justify-content:space-between;gap:12px;padding:16px 0;border-bottom:1px solid var(--border);font-size:12px}.summary-list>div:last-child{border-bottom:0}.status-dot{width:8px;height:8px;display:inline-block;margin-right:9px;border-radius:50%}.ok{background:var(--success)}.warn{background:var(--warning)}.info{background:var(--blue)}.danger{background:var(--danger)}.page-overlay{display:none}
/* Conforto visual: modo nocturno reduz áreas brancas e brilho */
[data-theme=dark] .stat-card,[data-theme=dark] .panel-card{box-shadow:none}[data-theme=dark] .date-chip{color:#b9e7fb}[data-theme=dark] .logout-button{color:#ffb3b7}
@media(max-width:1050px){.stats-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}.quick-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:780px){.app-sidebar{transform:translateX(-100%)}.app-sidebar.open{transform:translateX(0)}.app-main{margin-left:0}.mobile-menu{display:block}.page-overlay.show{position:fixed;inset:0;z-index:25;display:block;background:rgba(4,28,40,.48)}.app-topbar{height:70px;padding:0 15px}.topbar-left>div{display:none}.user-summary>span:last-child{display:none}.page-content{padding:22px 15px}.dropdown{position:fixed;right:12px;top:76px;width:min(350px,calc(100vw - 24px))}.welcome-row{align-items:flex-start;flex-direction:column}.login-card{grid-template-columns:1fr}.login-brand{padding:25px}.login-brand p,.login-brand small{display:none}.login-logo{width:58px;height:58px;margin-bottom:9px}.login-form-panel{padding:31px 25px}}
@media(max-width:520px){.stats-grid,.quick-grid{grid-template-columns:1fr}.logout-button{padding:0 9px}.login-page{padding:12px}.login-actions{justify-content:stretch}.btn{flex:1}}