/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #b8b6f3 0%, #e8d5f5 50%, #b8c5f5 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Container */
.container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

/* Card */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    padding: 40px;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.title-section h1 {
    font-size: 24px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 2px;
}

.subtitle {
    font-size: 13px;
    color: #6b7280;
    font-weight: 400;
}

.logout-btn {
    background: #DC2626;
    border: none;
    border-radius: 6px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}

.logout-btn:hover {
    background: #b91c1c;
}

/* Form Header */
.form-header {
    margin-bottom: 30px;
}

.form-header h2 {
    font-size: 20px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 6px;
}

.form-subtitle {
    font-size: 14px;
    color: #9ca3af;
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

/* Form Group */
.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 8px;
}

.required {
    color: #DC2626;
}

/* Input Styles */
.form-group input,
.form-group select {
    padding: 12px 14px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    font-size: 14px;
    color: #1f2937;
    background: white;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #DC2626;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-group input::placeholder {
    color: #9ca3af;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%239ca3af' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.form-group input[type="date"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
}

/* Submit Button */
.submit-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #DC2626 0%, #991b1b 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(220, 38, 38, 0.3);
}

.submit-btn:active {
    transform: translateY(0);
}

/* Footer */
.footer {
    margin-top: 40px;
    text-align: right;
}

.footer p {
    font-size: 13px;
    color: #6b7280;
}

/* Results Container */
.results-container {
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 60px 40px;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
    justify-content: center;
}

.result-item {
    text-align: center;
    width: 100%;
    max-width: 400px;
}

.result-item label {
    display: block;
    font-size: 15px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 12px;
}

.result-value {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    padding: 14px 20px;
    font-size: 16px;
    color: #1f2937;
    font-weight: 500;
}

/* Loading State */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f4f6;
    border-top-color: #DC2626;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Error Message */
.error-message {
    background: #fee2e2;
    border: 1px solid #fecaca;
    color: #991b1b;
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
}

/* Success Message */
.success-message {
    background: #d1fae5;
    border: 1px solid #a7f3d0;
    color: #065f46;
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
}