* {
    box-sizing: border-box;
    font-family: "Roboto", system-ui, -apple-system, "Segoe UI", Roboto;
}

body {
    background-color: #f4f7f6;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px 0;
}

.main_logo {
    width: auto;
    max-width: 260px;
    margin: 0 auto 20px auto;
    text-align: center;
}

.logo-img {
    max-width: 100%;
    height: auto;
}

.calculator-container {
    background: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    width: 100%;
    max-width: 520px;
}



h2 {
    text-align: center; 
    color: #233f93;
    margin-top: 0;
    font-family: "Roboto", sans-serif;
    font-size: 22px;
}

.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: #444;
}

input, select {
    width: 100%;
    padding: 11px;
    border: 1px solid #cccccc;
    border-radius: 6px;
    font-size: 15px;
}

.button-group {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

#calculate-btn {
    flex: 2;
    padding: 12px;
    background-color: #3b7a2e;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
}

#calculate-btn:hover {
    background-color: #218838;
}

#reset-btn {
    flex: 1;
    padding: 12px;
    background-color: #6c757d;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
}

#reset-btn:hover {
    background-color: #5a6268;
}

.hidden {
    display: none !important;
}

#result-container {
    margin-top: 25px;
    padding: 18px;
    background-color: #eef2f5;
    border-radius: 6px;
}

.info-link-btn {
    background: none;
    border: none;
    color: #0066cc;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    padding: 8px 0;
    margin: 10px 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.info-link-btn:hover {
    color: #004080;
    text-decoration: underline;
}

.mode-card {
    background: #ffffff;
    padding: 16px;
    margin-top: 12px;
    border-left: 5px solid #007bff;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.mode-card h4 {
    margin: 0 0 8px 0;
    color: #007bff;
    font-size: 17px;
}

.mode-card p {
    margin: 6px 0;
    color: #333;
}

.not-available {
    color: #dc3545;
    font-weight: bold;
}

.mode-note {
    background-color: #fff3cd;
    color: #856404;
    padding: 10px;
    border-radius: 4px;
    font-size: 13px;
    margin-top: 10px !important;
    border-left: 4px solid #ffeeba;
}

.copy-section {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.copy-btn {
    width: 100%;
    padding: 12px;
    background-color: #233f93;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
}

.copy-btn:hover {
    background-color: #3758ba;
}

.copy-feedback {
    font-size: 13px;
    font-weight: bold;
    color: #28a745;
}

.support-section {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid #d1d1d1;
    text-align: center;
}

.whatsapp-btn {
    display: inline-block;
    background-color: #3b7a2e;
    color: white;
    padding: 12px 20px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    font-size: 15px;
    transition: background-color 0.2s;
}

.whatsapp-btn:hover {
    background-color: #128C7E;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.55);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.modal-content {
    background: #ffffff;
    width: 90%;
    max-width: 580px;
    max-height: 82vh;
    overflow-y: auto;
    border-radius: 8px;
    padding: 25px;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 15px;
    font-size: 26px;
    border: none;
    background: none;
    cursor: pointer;
    color: #888;
}

.badge-banned {
    color: #dc3545;
    font-weight: bold;
}