/* ===== CSS RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Modern Color Palette */
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Neutral Colors */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Borders & Shadows */
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Animations */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--gray-700);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.navbar-container{
    display: flex;
    align-items: center;
    justify-content: space-between;
}
/* ===== HEADER STYLES ===== */
.main-header {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: var(--space-md) 0;
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;

}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    flex: 1;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    /* margin-bottom: var(--space-xs); */
}

.tagline {
    color: var(--gray-500);
    font-size: 0.95rem;
    font-weight: 400;
}

/* ===== PATREON BUTTON STYLES ===== */
.patreon-button-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.patreon-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #ff424d 0%, #f96854 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(255, 66, 77, 0.2);
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.patreon-button svg {
    width: 20px;
    height: 20px;
}

.patreon-button:hover {
    background: linear-gradient(135deg, #f96854 0%, #ff424d 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(255, 66, 77, 0.3);
}

.patreon-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(255, 66, 77, 0.2);
}

.patreon-button img {
    width: 20px;
    height: 20px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    padding: var(--space-2xl) 0;
    margin-top: 6rem;
}

/* ===== INPUT SECTION ===== */
.input-section {
    margin-bottom: var(--space-2xl);
}

.input-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.input-header {
    padding: var(--space-xl);
    background: linear-gradient(135deg, var(--primary-color), #1d4ed8);
    color: white;
    text-align: center;
}

.input-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.input-description {
    opacity: 0.9;
    font-size: 1rem;
}

.input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
    padding: var(--space-xl);
}

.input-group-section {
    background: var(--gray-50);
    padding: var(--space-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
}

.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--primary-color);
}

.input-actions {
    padding: var(--space-xl);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-300);
    transform: translateY(-1px);
}

/* ===== RESULTS SECTION ===== */
.results-section {
    margin-top: var(--space-2xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-title-main {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--space-sm);
}

.section-description {
    font-size: 1.1rem;
    color: var(--gray-500);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

/* ===== RESULT CARDS ===== */
.result-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.result-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: var(--space-xl);
    
    
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--space-md);
}

.card-info {
    margin-bottom: var(--space-md);
}

.card-description {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.formula {
    background: var(--gray-100);
    padding: var(--space-md);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    color: var(--gray-700);
    border-left: 3px solid var(--primary-color);
}

/* ===== FORM STYLES ===== */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--space-sm);
    font-size: 0.95rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem var(--space-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition-fast);
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.1);
}

.form-input::placeholder {
    color: var(--gray-400);
}

.form-hint {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: var(--space-sm);
    line-height: 1.4;
}

/* ===== BUTTON STYLES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem var(--space-lg);
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    min-height: 48px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

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

.btn-text {
    font-weight: 500;
}

/* ===== RESULT PANEL ===== */
.result-panel {
    padding: var(--space-xl);
    background: var(--gray-50);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.result-placeholder {
    text-align: center;
    color: var(--gray-400);
}

.result-icon {
    font-size: 2rem;
    margin-bottom: var(--space-md);
    display: block;
}

.result-success {
    background: rgb(16 185 129 / 0.05);
    border-color: var(--success-color);
    color: var(--success-color);
}

.result-error {
    background: rgb(239 68 68 / 0.05);
    border-color: var(--error-color);
    color: var(--error-color);
}

.result-content {
    text-align: center;
}

.result-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.result-details {
    font-size: 0.9rem;
    opacity: 0.8;
}

.result-metric {
    display: block;
    margin-bottom: var(--space-xs);
}

.result-interpretation {
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: rgba(37, 99, 235, 0.1);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .navbar-container {
        flex-direction: column;
        /* gap: var(--space-md); */
        text-align: center;
    }
    
    .patreon-button-container {
        margin-top: var(--space-sm);
    }
    
    .patreon-button {
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }
    
    .patreon-button img {
        width: 18px;
        height: 18px;
    }
    
    .dashboard {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .card-header,
    .card-body {
        padding: var(--space-lg);
    }
    
    .main-content {
        padding: var(--space-lg) 0;
        margin-top: 9rem;
    }
    
    .logo {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .patreon-button {
        padding: 0.5rem 1rem;
        font-size: 0.813rem;
    }
    
    .patreon-button img {
        width: 16px;
        height: 16px;
    }
    
    .card-header,
    .card-body {
        padding: var(--space-md);
    }
    
    .btn {
        width: 100%;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.input-section {
    animation: fadeInUp 0.6s ease-out;
}

.result-card {
    animation: fadeInUp 0.6s ease-out;
}

.result-card:nth-child(1) { animation-delay: 0.1s; }
.result-card:nth-child(2) { animation-delay: 0.2s; }
.result-card:nth-child(3) { animation-delay: 0.3s; }
.result-card:nth-child(4) { animation-delay: 0.4s; }
.result-card:nth-child(5) { animation-delay: 0.5s; }
.result-card:nth-child(6) { animation-delay: 0.6s; }
.result-card:nth-child(7) { animation-delay: 0.7s; }
.result-card:nth-child(8) { animation-delay: 0.8s; }
.result-card:nth-child(9) { animation-delay: 0.9s; }
.result-card:nth-child(10) { animation-delay: 1.0s; }
.result-card:nth-child(11) { animation-delay: 1.1s; }

/* ===== FOOTER STYLES ===== */
.main-footer {
    background: #0f172a;
    color: white;
    padding: var(--space-xl) 0;
    margin-top: var(--space-2xl);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.main-footer .container {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-weight: 400;
}

.footer-credit {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.footer-link {
    color: #60a5fa;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: #93c5fd;
    text-decoration: underline;
}

/* ===== MODAL STYLES ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    width: 90%;
    max-width: 500px;
    transform: scale(0.9) translateY(-20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: var(--space-xl);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-500);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.modal-body {
    padding: var(--space-xl);
}

.modal-description {
    color: var(--gray-600);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.modal-footer {
    padding: var(--space-xl);
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
}

/* ===== COMPARISON SECTION STYLES ===== */
.comparison-section {
    margin-top: var(--space-2xl);
    padding-top: var(--space-2xl);
    border-top: 2px solid var(--gray-200);
}

.comparison-table-container {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.table-actions {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.table-wrapper {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.comparison-table th {
    background: var(--gray-50);
    color: var(--gray-700);
    font-weight: 600;
    padding: var(--space-md);
    text-align: left;
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

.comparison-table td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--gray-200);
    vertical-align: middle;
}

.comparison-table tbody tr:hover {
    background: var(--gray-50);
}

.company-col {
    min-width: 50px;
    font-weight: 600;
    color: var(--primary-color);
}

.action-col {
    width: 80px;
    text-align: center;
}

.delete-btn {
    background: var(--red-500, #ef4444);
    color: white;
    border: none;
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.delete-btn:hover {
    background: var(--red-600, #dc2626);
    transform: translateY(-1px);
}

.comparison-empty {
    padding: var(--space-2xl);
    text-align: center;
}

.empty-state {
    max-width: 400px;
    margin: 0 auto;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
}

.empty-state h3 {
    color: var(--gray-700);
    margin-bottom: var(--space-md);
}

.empty-state p {
    color: var(--gray-500);
    line-height: 1.6;
}

/* ===== MAXIMIZED TABLE MODAL STYLES ===== */
.maximized-modal {
    z-index: 2000;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
}

.maximized-modal-content {
    width: 95vw;
    height: 90vh;
    max-width: none;
    max-height: none;
    margin: 2.5vh auto;
    display: flex;
    flex-direction: column;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.3);
}

.maximized-modal-body {
    flex: 1;
    overflow: hidden;
    padding: 0;
    display: flex;
    flex-direction: column;
}

.maximized-table-wrapper {
    flex: 1;
    overflow: auto;
    border-radius: var(--border-radius);
    background: white;
    margin: 0 6px 6px;
}

.maximized-table {
    min-width: 1200px;
    font-size: 0.9rem;
}

.maximized-table th {
    position: sticky;
    top: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
    color: white;
    font-weight: 600;
    padding: var(--space-lg) 4px;
    border-bottom: 2px solid var(--gray-200);
    z-index: 10;
}

.maximized-table th.company-col {
    position: sticky;
    left: 0;
    z-index: 11;
    min-width: 50px;
    box-shadow: 2px 0 4px rgba(0, 0, 0, 0.1);
}

.maximized-table td {
    padding: var(--space-lg) 4px;
    border-bottom: 1px solid var(--gray-200);
    vertical-align: middle;
    white-space: nowrap;
}

.maximized-table td.company-col {
    position: sticky;
    left: 0;
    background: var(--gray-50);
    font-weight: 600;
    color: var(--primary-color);
    border-right: 2px solid var(--gray-300);
    z-index: 9;
    box-shadow: 2px 0 4px rgba(0, 0, 0, 0.05);
}

.maximized-table tbody tr:nth-child(even) {
    background-color: rgba(248, 250, 252, 0.5);
}

.maximized-table tbody tr:hover {
    background-color: rgba(37, 99, 235, 0.05);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.maximized-table tbody tr:hover td.company-col {
    background-color: rgba(37, 99, 235, 0.1);
}

.maximized-empty {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 var(--space-xl) var(--space-xl) var(--space-xl);
    background: white;
    border-radius: var(--border-radius);
}

.maximized-empty .empty-state {
    text-align: center;
    color: var(--gray-600);
}

.maximized-empty .empty-icon {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.maximized-empty h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    color: var(--gray-700);
}

.maximized-empty p {
    font-size: 1rem;
    color: var(--gray-500);
    max-width: 400px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===== RESPONSIVE DESIGN FOR COMPARISON TABLE ===== */
@media (max-width: 768px) {
    .comparison-table {
        font-size: 0.75rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: var(--space-sm);
    }
    
    .modal {
        margin: var(--space-lg);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--space-lg);
    }
    
    .maximized-modal-content {
        width: 98vw;
        height: 95vh;
        margin: 1vh auto;
    }
    
    .maximized-table {
        font-size: 0.75rem;
    }
    
    .maximized-table th,
    .maximized-table td {
        padding: var(--space-sm);
    }
    
    .maximized-table th.company-col {
        min-width: 50px;
    }
}