:root {
  --primary: #0b1c30;       /* Deep navy (used in navbar, footer) */
  --secondary: #e77c3a;     /* Muted dark gray-blue for subheadings */
  --accent:  #3d4d63;        /* Warm vibrant orange (buttons/icons) */
  --light: #f4f4f4;         /* Light gray background */
  --dark: #121212;          /* Backup dark for contrast or overlays */
  --success: #28a745;       /* Green (retain for forms/messages) */
  --transition: all 0.3s ease; /* Smooth animation transition */
}


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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

.payment-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    background: linear-gradient(rgba(10, 37, 64, 0.9), rgba(5, 24, 44, 0.9)), url('../assets/payment.jpg') no-repeat center center/cover;
}

.payment-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    width: 100%;
    max-width: 800px;
}

.logo-container {
    text-align: center;
    margin-bottom: 0.5rem;
}

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

h1 {
    font-size: 1.875rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1rem;
    text-align: center;
}

h2 {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 1rem;
}

.form-section {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.form-group {
    margin-bottom: 0.5rem;
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

input, select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 1rem;
    transition: var(--transition);
}

input:focus, select:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(1, 195, 205, 0.1);
}

.payment-sources {
    text-align: center;
    margin: 1rem 0;
    padding: 1rem;
    background-color: var(--light);
    border-radius: 8px;
}

.payment-banner {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.875rem;
}

.checkbox-container input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

.payment-summary {
    background-color: var(--light);
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.summary-row.total {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary);
    border-top: 1px solid #e2e8f0;
    padding-top: 0.75rem;
    margin-top: 0.75rem;
}

.pay-button {
    width: 100%;
    padding: 1rem;
    background-color: var(--secondary);
    color: var(--primary);
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(1, 195, 205, 0.3);
}

.pay-button:hover {
    background-color: var(--accent);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 164, 239, 0.4);
}

/* Error States */
input:invalid, select:invalid {
    border-color: #fc8181;
}

input:invalid:focus, select:invalid:focus {
    box-shadow: 0 0 0 3px rgba(252, 129, 129, 0.1);
}

/* Loading State */
.pay-button.loading {
    background-color: #a0aec0;
    cursor: not-allowed;
}

/* Success State */
.pay-button.success {
    background-color: var(--success);
    color: white;
}

/* Responsive Design */
@media (max-width: 640px) {
    .payment-card {
        padding: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.125rem;
    }

    .logo {
        max-width: 150px;
    }
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

.payment-method-option {
    position: relative;
}

.payment-method-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.payment-method-option label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    background-color: var(--light);
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.payment-method-option label i {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.payment-method-option label span {
    font-weight: 500;
    color: var(--primary);
}

.payment-method-option input[type="radio"]:checked + label {
    background-color: var(--secondary);
    border-color: var(--secondary);
}

.payment-method-option input[type="radio"]:checked + label i,
.payment-method-option input[type="radio"]:checked + label span {
    color: var(--primary);
}

.payment-method-option label:hover {
    border-color: var(--secondary);
    transform: translateY(-2px);
}

@media (max-width: 640px) {
    .payment-methods {
        grid-template-columns: 1fr;
    }
}

.bank-select-group {
    margin-bottom: 1.5rem;
}

.bank-select-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.bank-dropdown {
    flex-grow: 1;
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 1rem;
    background-color: white;
    cursor: pointer;
    transition: var(--transition);
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
}

.bank-dropdown:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(1, 195, 205, 0.1);
}

.bank-dropdown option {
    padding: 0.5rem;
    font-size: 1rem;
}

.bank-logo-container {
    width: 50px;
    height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    background-color: white;
    overflow: hidden;
}

.bank-logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.bank-selection {
    margin-bottom: 1.5rem;
}

.bank-details {
    background-color: var(--light);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.bank-details .form-group {
    margin-bottom: 1.5rem;
}

.bank-details .form-group:last-child {
    margin-bottom: 0;
}

.bank-details input {
    font-family: monospace;
    letter-spacing: 1px;
}

.bank-details input::placeholder {
    font-family: 'Inter', sans-serif;
    letter-spacing: normal;
}