/* ===== Global Reset ===== */
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

:root{
    --bg:#f4f6f8;
    --surface:#ffffff;
    --surface-soft:#f8fafc;
    --text:#222;
    --muted:#667085;
    --border:#d9e0e7;
    --primary:#2c7be5;
    --primary-hover:#1a5fc4;
    --danger:#b42318;
    --success:#027a48;
}

html,body{
    width:100%;
    min-height:100%;
    font-family:Arial, Helvetica, sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.5;
    overflow-x:hidden;
}

.monitor-frame{
    width:100%;
    min-height:100vh;
    padding:clamp(12px,2vw,30px);
    display:flex;
    justify-content:center;
}

.screen-content{
    width:min(100%, 1320px);
    background:var(--surface);
    border-radius:18px;
    padding:clamp(18px,2.5vw,40px);
    box-shadow:0 10px 30px rgba(0,0,0,0.08);
}

.nav{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-bottom:24px;
}

.nav a{
    text-decoration:none;
    background:var(--primary);
    color:#fff;
    padding:10px 16px;
    border-radius:10px;
    font-size:clamp(14px,1.2vw,16px);
    transition:0.2s ease;
}

.nav a:hover,
.nav a.is-active{
    background:var(--primary-hover);
}

h1{
    font-size:clamp(24px,3vw,34px);
    margin-bottom:14px;
}

h2{
    font-size:clamp(18px,2vw,26px);
    margin:24px 0 10px;
}

p, ul, table, form, .entry, .footer, hr{
    margin-top:14px;
}

.card{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:16px;
    padding:clamp(18px,2vw,28px);
    box-shadow:0 4px 16px rgba(0,0,0,0.04);
}

.login-card{
    max-width:520px;
    margin:0 auto;
}

.box{
    white-space:pre-wrap;
    background:var(--surface-soft);
    border:1px solid var(--border);
    border-radius:12px;
    padding:16px;
}

.notice{
    margin-top:16px;
    padding:16px;
    border-radius:12px;
    border:1px solid var(--border);
    background:var(--surface-soft);
}

.success{
    border-color:#b7e4c7;
    background:#f1fff5;
}

.error-box{
    border-color:#f3b0b0;
    background:#fff5f5;
}

form{
    display:flex;
    flex-direction:column;
    gap:12px;
    max-width:720px;
}

label{
    font-weight:700;
}

input, textarea, select{
    padding:12px;
    border:1px solid #cfd6dd;
    border-radius:10px;
    font-size:16px;
    width:100%;
}

textarea{
    min-height:140px;
}

button,
.btn{
    background:var(--primary);
    color:white;
    border:none;
    padding:12px 18px;
    border-radius:10px;
    cursor:pointer;
    font-size:16px;
    width:fit-content;
    text-decoration:none;
}

button:hover,
.btn:hover{
    background:var(--primary-hover);
}

table{
    width:100%;
    border-collapse:collapse;
    margin-top:20px;
}

th,td{
    padding:10px;
    border-bottom:1px solid #ddd;
    text-align:left;
    vertical-align:top;
}

th{
    background:#f0f2f5;
}

.label,
.date{
    width:220px;
    font-weight:700;
}

.footer{
    display:flex;
    justify-content:space-between;
    gap:16px;
    flex-wrap:wrap;
    color:var(--muted);
}

.error{
    color:var(--danger);
    font-weight:700;
}

code{
    display:inline-block;
    padding:2px 6px;
    background:#f2f4f7;
    border:1px solid var(--border);
    border-radius:8px;
}

@media (max-width:768px){
    .monitor-frame{
        padding:0;
    }

    .screen-content{
        width:100%;
        min-height:100vh;
        border-radius:0;
        padding:16px;
    }

    .nav{
        flex-direction:column;
    }

    .nav a,
    button,
    .btn{
        width:100%;
        text-align:center;
    }

    table, tbody, tr, td, th{
        display:block;
        width:100%;
    }

    table{
        border:none;
    }

    tr{
        margin-bottom:14px;
        background:white;
        border:1px solid var(--border);
        border-radius:12px;
        overflow:hidden;
    }

    td, th{
        border-bottom:1px solid #eee;
    }

    .label,
    .date{
        width:100%;
    }
}

@media print{
    .nav, button, .btn{
        display:none;
    }

    body{
        background:white;
    }

    .monitor-frame{
        padding:0;
    }

    .screen-content{
        box-shadow:none;
        padding:0;
        width:100%;
    }

    .card{
        border:none;
        box-shadow:none;
        padding:0;
    }
}