:root{
    --primary:#1e3a8a;
    --primary-dark:#152c6b;
    --secondary:#3b82f6;
    --secondary-light:#60a5fa;
    --success:#10b981;
    --danger:#ef4444;
    --warning:#f59e0b;
    --dark:#1f2937;
    --light:#f9fafb;
    --gray:#6b7280;
    --border:#e5e7eb;
    --radius:14px;
    --shadow:0 20px 40px rgba(0,0,0,.08);
}

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:40px 20px;
    background:#f4f6fb;
    font-family:Cambria,"Times New Roman",serif;
}

/* ================= CONTAINER ================= */

.container{
    width:100%;
    max-width:1000px;
    min-height:500px;
    background:#fff;
    border-radius:18px;
    display:flex;
    overflow:hidden;
    box-shadow:var(--shadow);
}

/* ================= LEFT ================= */

.left{
    flex:1;
    background:var(--primary);
    color:#fff;
    padding:50px 40px;
    display:flex;
    flex-direction:column;
    justify-content:center;
    position:relative;
}

.left h1{
    font-size:2.4rem;
    margin-bottom:15px;
}

.left h3{
    font-size:28px;
    margin-bottom:10px;
}

.left p{
    font-size:1rem;
    line-height:1.6;
    opacity:.9;
}

/* ================= STEP INDICATOR ================= */

.step-indicator{
    display:flex;
    gap:10px;
    margin-bottom:25px;
}

.step-dot{
    width:40px;
    height:40px;
    border-radius:50%;
    background:rgba(255,255,255,.2);
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:700;
    transition:.3s;
}

.step-dot.active{
    background:var(--secondary-light);
    transform:scale(1.1);
}

.step-dot.completed{
    background:var(--success);
}

/* ================= PROGRESS ================= */

.progress-bar{
    margin-top:10px;
    height:8px;
    background:rgba(255,255,255,.2);
    border-radius:6px;
    overflow:hidden;
}

.progress-fill{
    height:100%;
    background:linear-gradient(
        90deg,
        var(--secondary-light),
        #fff
    );
    transition:.5s;
}

/* ================= RIGHT ================= */

.right{
    flex:1;
    text-align: center;
    padding:50px 40px;
    background:#fff;
    overflow-y:auto;
    max-height:700px;
}

.right h2,
.form-header h2{
    color:var(--dark);
    margin-bottom:6px;
}

.form-header p{
    color:var(--gray);
    margin-bottom:20px;
}

/* ================= MESSAGE ================= */

.msg{
    background:#fee2e2;
    color:var(--danger);
    padding:12px;
    border-radius:10px;
    margin-bottom:18px;
    font-size:14px;
}

/* ================= INPUTS ================= */

.input-group{
    position:relative;
    margin-bottom:18px;
}

.input-group i{
    position:absolute;
    left:14px;
    top:50%;
    transform:translateY(-50%);
    color:#9ca3af;
}

.input-group input{
    width:100%;
    padding:14px 14px 14px 42px;
    border:1px solid #d1d5db;
    border-radius:10px;
    font-size:15px;
    font-family:Cambria,"Times New Roman",serif;
    transition:.3s;
}

.input-group input:focus{
    outline:none;
    border-color:var(--secondary);
    box-shadow:0 0 0 3px rgba(59,130,246,.15);
}

/* ================= CAPTCHA ================= */

.captcha-box{
    display:flex;
    align-items:center;
    gap:12px;
    margin-bottom:18px;
}

.captcha{
    min-width:110px;
    background:var(--primary);
    color:#fff;
    border-radius:10px;
    text-align:center;
    padding:12px 18px;
    font-size:20px;
    font-weight:700;
    letter-spacing:3px;
    user-select:none;
}

.captcha-box input{
    flex:1;
    padding:14px;
    border:1px solid #ccc;
    border-radius:10px;
    font-size:14px;
    font-family:Cambria,"Times New Roman",serif;
    outline:none;
    transition:.3s;
}

.captcha-box input:focus{
    border-color:#2563eb;
    box-shadow:0 0 0 2px rgba(37,99,235,.15);
}

/* ================= LINKS ================= */

.rem-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}

.rem-line a {
    color: var(--secondary);
    font-size: 14px;
    text-decoration: none;
}

.rem-line a:hover {
    text-decoration: underline;
}

/* ================= BUTTON ================= */

.btn-group{
    display:flex;
    gap:15px;
    flex-wrap:wrap;
}

.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-width:150px;
    padding:10px;
    border-radius:10px;
    text-decoration:none;
    font-size:16px;
    font-weight:600;
    transition:0.3s;
}
.btn i{
    margin-right:8px;
}
.btn-login{
    background:#1d4ed8;
    color:#fff;
}

.btn-login:hover{
    background:#1e40af;
    transform:translateY(-2px);
}

.btn-app{
    background:#10b981;
    color:#fff;
}

.btn-app:hover{
    background:#059669;
    transform:translateY(-2px);
}

.btn-register{
    background:#f59e0b;
    color:#fff;
}

.btn-register:hover{
    background:#d97706;
    transform:translateY(-2px);
}

.btn-submit{
 font-family:Cambria,"Times New Roman",serif;
 width:100%;
 padding:14px;
 border:none;
 border-radius:12px;
 background:var(--primary);
 color:#fff;
 font-size:16px;
 font-weight:600;
 cursor:pointer;
 transition:.3s;
}

.btn-submit:hover{
 background:var(--primary-dark);
 transform:translateY(-2px);
}

/* ================= WELCOME ================= */

.welcome-box{
    width:100%;
    text-align:left;
}

.welcome-box h1{
    font-size:42px;
    margin-bottom:15px;
}

.welcome-box p{
    font-size:17px;
    color:#e0e7ff;
    margin-bottom:35px;
}

.btn-group{
    display:flex;
    gap:20px;
    justify-content:center;
    flex-wrap:wrap;
}

.btn{
    padding:14px 40px;
    border-radius:12px;
    font-size:16px;
    font-weight:600;
    text-decoration:none;
    cursor:pointer;
    transition:.3s;
}

.btn-login{
    background:#fff;
    color:var(--primary);
}

.btn-login:hover{
    background:#e0e7ff;
}

.btn-signup{
    background:var(--secondary);
    color:#fff;
}

.btn-signup:hover{
    background:#2563eb;
}

/* ================= MOBILE RESPONSIVE ================= */
@media (max-width:768px){

 body{
  padding:0;
 }

 .container{
  flex-direction:column;
  max-width:100%;
  min-height:100vh;
  border-radius:0;
  box-shadow:none;
 }

 .left,
 .right{
  width:100%;
  padding:25px;
 }

 .left{
  min-height:40vh;
 }

 .right{
  min-height:60vh;
 }

 .left h1{
  font-size:28px;
 }

 .left p{
  font-size:18px;
 }
}