:root{
  --blue:#009FD4; --dark:#111; --light:#E8F7FC; --grey:#f4f6f8;
  --border:#dde1e7; --text:#222; --green:#27ae60; --red:#e74c3c; --orange:#f39c12;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',sans-serif;background:var(--grey);color:var(--text)}
a{color:inherit}

header{background:var(--dark);display:flex;align-items:center;flex-wrap:wrap}
.logo{padding:14px 28px;color:white;font-size:1.1rem;white-space:nowrap}
.logo span{color:var(--blue);font-weight:700}
nav{display:flex;margin-left:auto;flex-wrap:wrap}
nav a{color:#aaa;text-decoration:none;padding:16px 18px;font-size:.86rem;font-weight:600;letter-spacing:.02em;border-bottom:3px solid transparent;transition:all .2s}
nav a:hover{color:white}
nav a.active{color:var(--blue);border-bottom-color:var(--blue)}

main.page{max-width:1100px;margin:28px auto;padding:0 16px 60px}

.flash{background:var(--light);color:#046;border:1px solid var(--blue);border-radius:8px;padding:12px 16px;margin-bottom:18px;font-size:.9rem}

.card{background:white;border-radius:10px;padding:24px 28px;margin-bottom:20px;box-shadow:0 2px 8px rgba(0,0,0,.07)}
.card h2{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--blue);margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--light)}

.top-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px;flex-wrap:wrap}
.top-row h1{font-size:1.3rem}

.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid.three{grid-template-columns:1fr 1fr 1fr}
.grid.four{grid-template-columns:repeat(4,1fr)}
.full{grid-column:1/-1}
@media(max-width:700px){.grid,.grid.three,.grid.four{grid-template-columns:1fr}}

label{display:block;font-size:.78rem;font-weight:600;color:#666;margin-bottom:4px}
input,textarea,select{width:100%;padding:9px 11px;border:1.5px solid var(--border);border-radius:6px;font-size:.92rem;font-family:inherit}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--blue)}
textarea{resize:vertical;min-height:70px}
form .field{margin-bottom:14px}

.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:6px;border:none;cursor:pointer;font-size:.87rem;font-weight:600;text-decoration:none;transition:all .2s}
.btn-primary{background:var(--blue);color:white}.btn-primary:hover{background:#007fb0}
.btn-success{background:var(--green);color:white}.btn-success:hover{background:#219a52}
.btn-danger{background:none;color:var(--red);border:1.5px solid var(--red)}.btn-danger:hover{background:var(--red);color:white}
.btn-ghost{background:var(--light);color:var(--blue);border:1.5px dashed var(--blue)}.btn-ghost:hover{background:#d0eef8}
.btn-sm{padding:5px 12px;font-size:.78rem}

table.list{width:100%;border-collapse:collapse;font-size:.88rem}
table.list th{background:var(--dark);color:white;padding:9px 12px;text-align:left;font-size:.76rem;text-transform:uppercase;letter-spacing:.03em}
table.list td{padding:10px 12px;border-bottom:1px solid #eee}
table.list tr:hover td{background:var(--light)}
table.list a{color:var(--blue);font-weight:600;text-decoration:none}
table.list a:hover{text-decoration:underline}
.empty{text-align:center;color:#aaa;padding:40px}

.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.72rem;font-weight:700;background:var(--light);color:var(--blue)}
.badge.lead{background:#eee;color:#666}
.badge.oferta{background:#fff3cd;color:var(--orange)}
.badge.montaz{background:var(--light);color:var(--blue)}
.badge.serwis{background:#e6f7ec;color:var(--green)}
.badge.overdue{background:#fde8e8;color:var(--red)}

/* KANBAN */
.kanban{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:start}
@media(max-width:900px){.kanban{grid-template-columns:1fr}}
.kanban-col{background:white;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.07);overflow:hidden}
.kanban-col-head{padding:12px 16px;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:white;background:var(--dark)}
.kanban-col-body{padding:12px;display:flex;flex-direction:column;gap:10px;min-height:60px}
.kanban-card{border:1.5px solid var(--border);border-radius:8px;padding:12px 14px;text-decoration:none;color:var(--text);display:block;transition:box-shadow .15s}
.kanban-card:hover{box-shadow:0 2px 10px rgba(0,0,0,.12);border-color:var(--blue)}
.kanban-card .kc-title{font-weight:700;font-size:.9rem;margin-bottom:3px}
.kanban-card .kc-client{font-size:.8rem;color:#777}
.kanban-card .kc-value{font-size:.8rem;color:var(--blue);font-weight:700;margin-top:6px}
.kanban-empty{color:#bbb;font-size:.82rem;text-align:center;padding:14px 0}

/* DASHBOARD */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
@media(max-width:700px){.stat-grid{grid-template-columns:1fr 1fr}}
.stat-box{background:white;border-radius:10px;padding:18px 20px;box-shadow:0 2px 8px rgba(0,0,0,.07)}
.stat-box .num{font-size:1.8rem;font-weight:700;color:var(--blue)}
.stat-box .lbl{font-size:.78rem;color:#666;margin-top:4px}

.reminder-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid #eee}
.reminder-row:last-child{border-bottom:none}
.reminder-row .rt{flex:1}
.reminder-row .rt .title{font-weight:600;font-size:.9rem}
.reminder-row .rt .meta{font-size:.78rem;color:#888;margin-top:2px}
.reminder-row form{display:inline}