:root{
  --green:#1b5e20; --green2:#2e7d32; --green3:#43a047; --acc:#66bb6a;
  --bg:#f4f7f4; --card:#fff; --line:#e2ebe2; --text:#1a2a1a; --muted:#6b7d6b;
  --sidebar:#153316; --sidebar2:#1d431f; --danger:#c62828; --warn:#ef6c00;
  --radius:10px; --shadow:0 1px 3px rgba(0,0,0,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.45}
.hidden{display:none!important}
a{color:var(--green2);text-decoration:none}

/* Buttons */
.btn{border:none;border-radius:8px;padding:8px 14px;font-size:13px;font-weight:600;cursor:pointer;background:#e8f0e8;color:var(--green);transition:.15s}
.btn:hover{filter:brightness(.97)}
.btn-primary{background:var(--green2);color:#fff}
.btn-primary:hover{background:var(--green)}
.btn-ghost{background:transparent;color:#cfe0cf;border:1px solid #ffffff22}
.btn-ghost:hover{background:#ffffff14}
.btn-danger{background:#fdeaea;color:var(--danger)}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-block{width:100%;padding:11px}

/* Login */
.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#153316,#2e7d32)}
.login-card{background:#fff;border-radius:14px;padding:32px 28px;width:340px;box-shadow:0 10px 40px rgba(0,0,0,.25);display:flex;flex-direction:column;gap:12px}
.login-logo{font-size:22px;font-weight:800;color:var(--green);text-align:center}
.login-logo span{color:var(--acc)}
.login-sub{text-align:center;color:var(--muted);margin-bottom:6px}
.login-card label{display:flex;flex-direction:column;gap:4px;font-size:12.5px;font-weight:600;color:var(--muted)}
.login-card input{padding:10px;border:1px solid var(--line);border-radius:8px;font-size:14px}
.login-err{color:var(--danger);font-size:12.5px;min-height:16px;text-align:center}

/* Layout */
.app{display:flex;min-height:100vh}
.sidebar{width:246px;background:var(--sidebar);color:#cfe0cf;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0}
.brand{font-size:18px;font-weight:800;color:#fff;padding:18px 20px;border-bottom:1px solid #ffffff14}
.brand span{color:var(--acc)}
.nav{flex:1;overflow-y:auto;padding:8px 0}
.main{flex:1;margin-left:246px;display:flex;flex-direction:column;min-width:0}
.topbar{background:var(--card);border-bottom:1px solid var(--line);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:5}
.topbar h1{font-size:19px;color:var(--green)}
.content{padding:24px;flex:1}

/* Nav groups */
.nav-group{margin:2px 0}
.nav-group-h{display:flex;align-items:center;gap:10px;padding:11px 20px;cursor:pointer;font-size:11px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;color:#8fb48f;user-select:none}
.nav-group-h .chev{margin-left:auto;transition:.2s;font-size:10px}
.nav-group.collapsed .chev{transform:rotate(-90deg)}
.nav-group.collapsed .nav-items{display:none}
.nav-items{display:flex;flex-direction:column}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 20px 9px 30px;cursor:pointer;color:#cfe0cf;font-size:13.5px;border-left:3px solid transparent}
.nav-item:hover{background:#ffffff10}
.nav-item.active{background:#ffffff18;border-left-color:var(--acc);color:#fff;font-weight:600}
.nav-item .ico{width:18px;text-align:center}
.sidebar-foot{padding:14px 20px;border-top:1px solid #ffffff14;display:flex;flex-direction:column;gap:8px}
.whoami{font-size:12px;color:#9db39d}
.whoami b{color:#fff;display:block}

/* Cards & tables */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:20px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.stat .v{font-size:26px;font-weight:800;color:var(--green)}
.stat .l{color:var(--muted);font-size:12.5px;margin-top:2px}
.stat.warn .v{color:var(--warn)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.panel-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}
.panel-head h2{font-size:15px;color:var(--green)}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;padding:10px 14px;background:#f0f5f0;color:var(--green);font-weight:600;font-size:12px;border-bottom:1px solid var(--line)}
td{padding:10px 14px;border-bottom:1px solid #eef3ee}
tr:hover td{background:#f9fbf9}
.row-actions{display:flex;gap:6px;justify-content:flex-end}
.tbl-wrap{overflow-x:auto}

/* Empty state */
.empty{text-align:center;padding:48px 20px;color:var(--muted)}
.empty .ico{font-size:40px;opacity:.5;margin-bottom:8px}
.empty h3{color:var(--green);font-weight:700;margin-bottom:4px}

/* Forms / modal */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal{background:#fff;border-radius:12px;width:min(560px,100%);max-height:90vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-head h3{color:var(--green);font-size:16px}
.modal-x{background:none;border:none;font-size:18px;cursor:pointer;color:var(--muted)}
.modal-body{padding:20px;overflow-y:auto}
.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}
.field{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}
.field label{font-size:12.5px;font-weight:600;color:var(--muted)}
.field input,.field select,.field textarea{padding:9px 10px;border:1px solid var(--line);border-radius:8px;font-size:13.5px;font-family:inherit}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.chk{flex-direction:row;align-items:center;gap:8px}
.chk input{width:auto}

/* Toast */
.toast{position:fixed;bottom:20px;right:20px;background:var(--green);color:#fff;padding:12px 18px;border-radius:8px;box-shadow:0 6px 20px rgba(0,0,0,.25);z-index:60;font-size:13.5px}
.toast.err{background:var(--danger)}

/* Kalendorius */
.cal-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.cal-head h2{color:var(--green);font-size:17px}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-wd{margin-bottom:6px}
.cal-wdc{text-align:center;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase}
.cal-cell{min-height:94px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:5px;cursor:pointer;overflow:hidden;transition:.1s}
.cal-cell.cal-empty{background:transparent;border:none;cursor:default}
.cal-cell.cal-today{border-color:var(--green3);box-shadow:0 0 0 1px var(--green3) inset}
.cal-cell.cal-over{background:#e8f5e9;border-color:var(--green3)}
.cal-d{font-size:12px;font-weight:600;color:var(--muted);margin-bottom:4px}
.cal-chip{background:var(--green2);color:#fff;font-size:11px;padding:3px 6px;border-radius:5px;margin-bottom:3px;cursor:grab;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cal-chip:hover{background:var(--green)}
.cal-chip.chip-exp{background:#1565c0}
.cal-chip.chip-exp:hover{background:#0d47a1}

/* Kliento istorija formoje */
.hist{margin-top:14px;border-top:1px dashed var(--line);padding-top:10px}
.hist-h{font-size:12.5px;font-weight:700;color:var(--green);margin-bottom:6px}
.hist-row{display:flex;gap:8px;font-size:12px;padding:4px 0;border-bottom:1px solid #f0f5f0}
.hist-d{color:var(--muted);white-space:nowrap;min-width:74px}
.hist-t{color:var(--green2);white-space:nowrap}
.hist-c{color:var(--text)}
.hist-empty{margin-top:12px;font-size:12px;color:var(--muted);font-style:italic}

/* Task-manager sąrašas */
.task-sec{margin:4px 0 10px}
.task-sec-h{font-size:12px;font-weight:700;text-transform:uppercase;color:var(--muted);padding:8px 16px}
.task-sec-h.late{color:var(--danger)}
.task-row{display:flex;align-items:center;gap:12px;padding:9px 16px;border-top:1px solid #eef3ee;cursor:pointer}
.task-row:hover{background:#f9fbf9}
.task-date{min-width:120px;font-size:12.5px;color:var(--muted);font-weight:600}
.task-mk{width:20px}
.task-name{font-weight:600;min-width:140px}
.task-note{flex:1;color:var(--muted);font-size:12.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.task-owner{font-size:12px;color:var(--muted);min-width:90px}
.task-acts{display:flex;gap:6px}
@media(max-width:720px){.task-note,.task-owner{display:none}}

@media(max-width:720px){
  .cal-cell{min-height:64px}
  .sidebar{width:60px}.sidebar .brand span,.nav-group-h span,.nav-item span:not(.ico),.whoami{display:none}
  .nav-item{padding-left:18px}.main{margin-left:60px}
}