:root{
    --primary:#003366;
    --primary-light:#0056b3;
    --secondary:#ff7a00;
    --secondary-light:#ff9500;
    --success:#198754;
    --danger:#dc3545;
    --warning:#ffc107;
    --white:#ffffff;
    --light:#f5f7fb;
    --border:#dbe3ef;
    --text:#1f2937;
    --shadow:0 15px 40px rgba(0,0,0,.15);
}
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}
body{
    min-height:100vh;
    font-family:'Segoe UI',sans-serif;
    background:
    linear-gradient(
        135deg,
        var(--primary) 0%,
        var(--primary-light) 50%,
        var(--secondary) 100%
    );
    color:var(--text);
}
/* ==========================
   AUTH CONTAINER
========================== */
.auth-container{
    width:100%;
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    padding:30px;
}
.auth-card{
    width:100%;
    max-width:500px;
    background:var(--white);
    border-radius:24px;
    padding:40px;
    box-shadow:var(--shadow);
}
/* Registration Page */
.auth-card.large{
    max-width:900px;
}
/* ==========================
   LOGO
========================== */
.logo-wrapper{
    width:300px;
    height:auto;
    margin:0 auto 5px;
    overflow:hidden;
    background:#fff;
    /* border:5px solid var(--secondary); */
}
.logo-wrapper img{
    width:100%;
    height:100%;
    object-fit:contain;
}
/* ==========================
   HEADINGS
========================== */
.page-title{
    text-align:center;
    font-size:2rem;
    color:var(--primary);
    font-weight:800;
    margin-bottom:8px;
}
.page-subtitle{
    text-align:center;
    color:#666;
    margin-bottom:30px;
}
/* ==========================
   FORM
========================== */
.form{
    width:100%;
}
.form-section{
    margin-bottom:30px;
    padding-bottom:20px;
    border-bottom:1px solid var(--border);
}
.form-section:last-child{
    border:none;
}
.form-section-title{
    font-size:1.2rem;
    font-weight:700;
    color:var(--primary);
    margin-bottom:20px;
}
/* ==========================
   GRID
========================== */
.form-row{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:20px;
}
.form-col{
    width:100%;
}
@media(max-width:768px){
    .form-row{
        grid-template-columns:1fr;
    }
}
/* ==========================
   FORM GROUP
========================== */
.form-group{
    margin-bottom:20px;
}
.form-group label{
    display:block;
    margin-bottom:8px;
    font-weight:700;
    color:var(--primary);
}
.required{
    color:red;
}
/* ==========================
   INPUTS
========================== */
.form-control{
    width:100%;
    padding:14px 16px;
    border:2px solid var(--border);
    border-radius:12px;
    font-size:15px;
    background:#fff;
    transition:.3s;
}
.form-control:focus{
    outline:none;
    border-color:var(--secondary);
    box-shadow:
    0 0 0 4px
    rgba(255,122,0,.15);
}
.form-control::placeholder{
    color:#999;
}
/* ==========================
   TEXTAREA
========================== */
textarea.form-control{
    min-height:120px;
    resize:vertical;
}
/* ==========================
   SELECT
========================== */
select.form-control{
    cursor:pointer;
}
/* ==========================
   RADIO
========================== */
.radio-group{
    display:flex;
    gap:20px;
    flex-wrap:wrap;
}
.radio-group label{
    display:flex;
    align-items:center;
    gap:8px;
    font-weight:600;
    cursor:pointer;
}
/* ==========================
   CHECKBOX
========================== */
.checkbox-group{
    display:flex;
    align-items:center;
    gap:10px;
}
.checkbox-group label{
    margin:0;
}
/* ==========================
   FILE INPUT
========================== */
input[type=file]{
    width:100%;
    padding:10px;
    border:2px dashed var(--border);
    border-radius:12px;
}
/* ==========================
   BUTTONS
========================== */
.btn{
    border:none;
    border-radius:12px;
    padding:14px 24px;
    font-size:16px;
    font-weight:700;
    cursor:pointer;
    transition:.3s;
}
.btn-primary{
    color:#fff;
    background:
    linear-gradient(
        90deg,
        var(--primary),
        var(--primary-light)
    );
}
.btn-primary:hover{
    background:
    linear-gradient(
        90deg,
        var(--secondary),
        var(--secondary-light)
    );
    transform:translateY(-2px);
}
.btn-secondary{
    background:#e9ecef;
    color:#333;
}
.btn-success{
    background:var(--success);
    color:#fff;
}
.btn-danger{
    background:var(--danger);
    color:#fff;
}
.btn-block{
    width:100%;
}
/* ==========================
   FORM FOOTER
========================== */
.form-footer{
    margin-top:20px;
    text-align:center;
}
.form-footer a{
    color:var(--primary);
    text-decoration:none;
    font-weight:600;
}
.form-footer a:hover{
    color:var(--secondary);
}
/* ==========================
   ALERTS
========================== */
.alert{
    padding:15px;
    border-radius:12px;
    margin-bottom:20px;
    font-weight:600;
}
.alert-success{
    background:#d1e7dd;
    color:#0f5132;
}
.alert-danger{
    background:#f8d7da;
    color:#842029;
}
.alert-warning{
    background:#fff3cd;
    color:#664d03;
}
/* ==========================
   POPUP
========================== */
.popup-overlay{
    display:none;
    position:fixed;
    inset:0;
    background:
    rgba(0,0,0,.6);
    z-index:9999;
}
.popup-box{
    width:450px;
    max-width:90%;
    margin:120px auto;
    background:#fff;
    padding:25px;
    border-radius:20px;
    box-shadow:var(--shadow);
    position:relative;
}
.popup-close{
    position:absolute;
    right:15px;
    top:10px;
    border:none;
    background:none;
    font-size:28px;
    cursor:pointer;
    color:var(--secondary);
}
/* ==========================
   MOBILE
========================== */
@media(max-width:576px){
    .auth-card{
        padding:25px;
    }
    .page-title{
        font-size:1.6rem;
    }
    .logo-wrapper{
        width:250px;
        height:auto;
    }
    .btn{
        width:100%;
    }
}