body {
    background: linear-gradient(135deg, var(--color-bg-light) 0%, #f0ede5 100%);
    color: var(--color-text-main);
    font-family: var(--font-body);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

.app-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    margin-bottom: 30px;
    box-shadow: var(--shadow-sm);
}

.header-content h1 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    margin: 0 0 5px 0;
    font-size: 1.8rem;
}

.header-content p {
    margin: 0;
    color: var(--color-text-main);
    font-size: 0.95rem;
}

.header-actions {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(128, 0, 32, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(128, 0, 32, 0.5);
}

.btn-secondary {
    background: rgba(0, 0, 0, 0.05);
    color: var(--color-text-main);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.calc-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow-md);
}

.calc-panel h2 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    margin-top: 0;
    margin-bottom: 25px;
    font-size: 1.6rem;
    border-bottom: 2px solid var(--color-secondary-light);
    padding-bottom: 10px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-text-main);
    font-weight: 600;
    font-size: 0.95rem;
}

.time-inputs {
    display: flex;
    gap: 15px;
}

input[type="number"], select {
    width: 100%;
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--color-text-main);
    padding: 12px 15px;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

input[type="number"]:focus, select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(128, 0, 32, 0.1);
}

.divider {
    height: 1px;
    background: rgba(0, 0, 0, 0.1);
    margin: 30px 0;
}

.full-width {
    width: 100%;
    justify-content: center;
}

.mt-2 { margin-top: 15px; }
.mt-4 { margin-top: 30px; }

/* Output Panel Styles */
.output-panel {
    display: flex;
    flex-direction: column;
}

.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    text-align: center;
    padding: 40px 20px;
    animation: fadeIn 0.5s ease-out;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--color-secondary-light);
}

.results-hidden {
    display: none;
}

.results-visible {
    display: block;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.result-card {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 12px;
    padding: 15px 20px;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.result-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.result-label {
    font-weight: 600;
    color: var(--color-text-main);
}

.result-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.result-value.highlight {
    color: var(--color-secondary);
}

.premium-card {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(128, 0, 32, 0.05));
    border: 1px solid var(--color-secondary-light);
    flex-direction: column;
    align-items: center;
    padding: 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.premium-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.premium-card .result-label {
    color: var(--color-primary);
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.premium-card .result-value.huge {
    font-size: 5rem;
    color: var(--color-primary);
    text-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
    margin: 10px 0;
    line-height: 1;
}

.charan-info {
    color: white;
    font-size: 1.1rem;
    background: var(--color-secondary);
    padding: 8px 20px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (max-width: 900px) {
    .calculator-grid {
        grid-template-columns: 1fr;
    }
}