*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#eef3f8;color:#1d2b3a}
a{text-decoration:none}
.header{background:linear-gradient(135deg,#0d1b2a,#173b67);color:#fff;padding:16px 18px;box-shadow:0 2px 10px rgba(0,0,0,.12)}
.header-inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.header-logo{width:90px;max-width:22vw;height:auto;border-radius:12px;background:#fff;padding:6px}
.header-title{font-size:28px;font-weight:800;line-height:1.05;margin:0}.header-subtitle{font-size:14px;opacity:.9;margin-top:6px}.header-info{font-size:13px;opacity:.85;margin-top:4px}
.container{max-width:1180px;margin:18px auto;padding:0 14px}.card,.welcome-card{background:#fff;border-radius:18px;padding:20px;box-shadow:0 8px 24px rgba(19,44,74,.08);margin-bottom:18px}
.soft-card{background:#f8fbff;border:1px solid #e2eaf4;box-shadow:none}
.profile-box,.profile-top{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.avatar{width:78px;height:78px;border-radius:50%;object-fit:cover;border:4px solid #e5edf7;background:#fff}.avatar-lg{width:110px;height:110px}
.menu-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.menu-card{display:block;background:#fff;border-radius:18px;padding:22px;box-shadow:0 8px 24px rgba(19,44,74,.08);color:#173b67;border:1px solid #e8eef6;transition:transform .15s ease, box-shadow .15s ease}.menu-card:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(19,44,74,.12)} .menu-card.danger{color:#7a2234}.menu-icon{font-size:28px;display:block;margin-bottom:8px}.menu-title{display:block;font-size:20px;font-weight:700}.menu-text{display:block;color:#56687a;margin-top:6px}
.btn{display:inline-block;border:none;border-radius:12px;padding:10px 16px;font-weight:700;cursor:pointer}.btn.primary{background:#1c6ef2;color:#fff}.btn.light{background:#eff5fd;color:#173b67}.btn.small{padding:8px 12px;font-size:13px}
.page-tools{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}.muted{color:#627387}.table-wrap{width:100%;overflow:auto;border:1px solid #e6edf5;border-radius:16px}.table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}.table th,.table td{padding:11px 12px;border-bottom:1px solid #edf2f7;font-size:14px;text-align:left;vertical-align:top}.table th{position:sticky;top:0;background:#f8fbff;z-index:1}
.row-paid{background:#e7f7ec}.row-due{background:#f2d8df}.row-neutral{background:#f8fbff}.debt-box{margin-top:14px;padding:14px 16px;border-radius:14px;background:#fff3e6;font-size:20px;font-weight:700;color:#704214;display:inline-block}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(180deg,#edf4fb,#dde9f6)}.login-box{background:#fff;width:100%;max-width:420px;border-radius:20px;box-shadow:0 12px 34px rgba(13,27,42,.12);padding:26px}.login-logo{display:block;width:120px;margin:0 auto 14px auto}.login-title{text-align:center;font-size:31px;font-weight:800;margin:8px 0 4px 0}.field{margin-bottom:14px}.field label{display:block;margin-bottom:6px;color:#4e6176;font-weight:700}.field input{width:100%;padding:12px 14px;border:1px solid #d8e2ee;border-radius:12px;font-size:16px}.alert{padding:12px 14px;border-radius:12px;margin-bottom:12px}.alert.error{background:#fdebec;color:#9a3142}.alert.ok{background:#e7f7ec;color:#22663a}
.form-grid,.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.legend{font-size:14px;color:#54667b;margin-top:6px}.small-note{font-size:12px;color:#74859a}.raw-table-title{margin-top:18px}.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}.summary-item{background:#f8fbff;border:1px solid #e6edf5;border-radius:14px;padding:14px}.summary-item strong{display:block;font-size:22px;margin-top:6px;color:#173b67}
@media (max-width:768px){.header-inner{align-items:flex-start}.header-logo{width:72px}.header-title{font-size:22px}.form-grid,.profile-grid{grid-template-columns:1fr}.table{min-width:680px}.container{padding:0 10px}.card,.welcome-card,.menu-card,.login-box{border-radius:16px}.profile-top{flex-direction:column;align-items:center;text-align:center}.btn{width:100%;text-align:center}}
.btn-pdf{background:#3b82f6;color:#fff;text-decoration:none;padding:8px 12px;border-radius:10px;display:inline-block;font-size:.92rem}.btn-pdf:hover{opacity:.92}