/* === General Body and Container Styles === */
body { 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; 
    background-color: #f4f7fa; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    min-height: 100vh; 
    margin: 0; 
    padding: 20px; 
    box-sizing: border-box; 
}

/* === ★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★ === */
/* === ★★★           আপনার অনুরোধ অনুযায়ী চূড়ান্ত পরিবর্তন           ★★★ === */
/* === ★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★ === */
.container { 
    background: #fff; 
    padding: 30px 40px; 
    border-radius: 12px; 
    box-shadow: 0 5px 25px rgba(0,0,0,0.1); 
    width: 100%; 
    max-width: 420px; /* প্রস্থ আপনার নির্দেশ অনুযায়ী আবার কমানো হয়েছে */
}

h1 { 
    margin-top: 0; 
    color: #333; 
    text-align: center;
    font-size: 1.5rem;
}

p { 
    color: #666; 
    line-height: 1.6; 
    text-align: center;
}

.content { 
    padding: 0; 
    margin-top: 20px; 
}

.content-title {
    margin-top: 0;
    margin-bottom: 20px;
    text-align: center;
    color: #495057;
    font-size: 1.1rem;
}

/* === Welcome Page - Requirements Box Styles === */
.requirements-wrapper {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.requirement-box {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    border-radius: 6px; 
    color: #ffffff;
    font-weight: 500;
    font-size: 14px;
}

.requirement-box.success {
    background-color: #4CAF50;
}

.requirement-box.error {
    background-color: #d9534f;
}

.requirement-box .icon {
    font-size: 16px;
    margin-right: 12px;
}

.requirement-box .text {
    flex-grow: 1;
}


/* === General Form and Button Styles === */
.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 600; color: #495057; }
.form-group input { width: 100%; padding: 10px; border: 1px solid #ced4da; border-radius: 8px; box-sizing: border-box; font-size: 15px; }
.form-group input:focus { border-color: #80bdff; outline: 0; box-shadow: 0 0 0 .2rem rgba(0,123,255,.25); }

.button { 
    display: inline-flex; 
    align-items: center;
    justify-content: center;
    gap: 8px; 
    background-color: #0d6efd; 
    color: white; 
    padding: 12px 25px; 
    border: none; 
    border-radius: 8px; 
    cursor: pointer; 
    text-decoration: none; 
    font-size: 16px; 
    font-weight: 500; 
    width: 100%; 
    text-align: center; 
    transition: background-color 0.2s;
}

.button:hover { 
    background-color: #0b5ed7; 
}
.button:disabled {
    background-color: #6c757d;
    cursor: not-allowed;
}

/* === License Page - New Input Group Styles === */
.license-input-group {
    display: flex;
    align-items: center;
    gap: 8px; /* গ্যাপ সামান্য কমানো হয়েছে */
}

.license-input-group .license-part {
    width: 100%;
    text-align: center;
    font-size: 1rem; /* ফন্ট সাইজ সামান্য কমানো হয়েছে */
    font-weight: 500;
    text-transform: uppercase;
    border: 2px solid #ced4da;
    padding: 10px 4px;
}

.license-input-group .license-part:focus {
    border-color: #0d6efd;
    box-shadow: none;
    outline: none;
}

.license-input-group .hyphen {
    font-size: 1.1rem;
    font-weight: bold;
    color: #adb5bd;
}


/* === Message Box Styles === */
.message { padding: 15px; margin-bottom: 20px; border-radius: 8px; }
.message.success { background-color: #d1e7dd; color: #0f5132; border: 1px solid #badbcc; }
.message.error { background-color: #f8d7da; color: #842029; border: 1px solid #f5c2c7; }
.warning { border: 1px solid #fff3cd; background: #fff9e6; padding: 15px; border-radius: 8px; margin-top: 25px; }
.warning h3 { margin-top: 0; color: #664d03; }
/* === License Page - New Input Group Styles === */
.license-input-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.license-input-group .license-part {
    width: 100%;
    text-align: center;
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    border: 2px solid #ced4da;
    padding: 10px 4px;
}

.license-input-group .license-part:focus {
    border-color: #0d6efd;
    box-shadow: none;
    outline: none;
}

.license-input-group .hyphen {
    font-size: 1.1rem;
    font-weight: bold;
    color: #adb5bd;
}