/* Solumatis - Solusi Matematika Praktis */
/* Custom Styles */

:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --purple-color: #6f42c1;
    --teal-color: #20c997;
    --orange-color: #fd7e14;
    --indigo-color: #6610f2;
    --pink-color: #d63384;
}

* {
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--light-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Dark Mode Styles */
body.dark-mode {
    background-color: #1a1a2e;
    color: #e0e0e0;
}

body.dark-mode .card {
    background-color: #16213e;
    border-color: #0f3460;
    color: #e0e0e0;
}

body.dark-mode .form-control,
body.dark-mode .form-select {
    background-color: #0f3460;
    border-color: #1a1a2e;
    color: #e0e0e0;
}

body.dark-mode .form-control:focus,
body.dark-mode .form-select:focus {
    background-color: #0f3460;
    border-color: var(--primary-color);
    color: #e0e0e0;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

body.dark-mode .text-muted {
    color: #a0a0a0 !important;
}

body.dark-mode .result-box {
    background-color: #0f3460;
    border-color: #1a1a2e;
    color: #e0e0e0;
}

body.dark-mode .dropdown-menu {
    background-color: #16213e;
    border-color: #0f3460;
}

body.dark-mode .dropdown-item {
    color: #e0e0e0;
}

body.dark-mode .dropdown-item:hover {
    background-color: #0f3460;
    color: #fff;
}

body.dark-mode .nav-tabs .nav-link {
    color: #a0a0a0;
}

body.dark-mode .nav-tabs .nav-link.active {
    background-color: #16213e;
    border-color: #0f3460 #0f3460 #16213e;
    color: #fff;
}

body.dark-mode .tab-content {
    background-color: transparent;
}

/* Page Display */
.page {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== ENHANCED CARD STYLES ==================== */
.calculator-card {
    cursor: default;
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    border: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.calculator-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.calculator-card:hover::before {
    opacity: 1;
}

.calculator-card .card-body {
    padding: 1.5rem;
    position: relative;
    z-index: 1;
}

.calculator-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

body.dark-mode .calculator-card:hover {
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

/* Card background gradient on hover */
.calculator-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(13, 110, 253, 0.05) 0%, rgba(32, 201, 151, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.calculator-card:hover::after {
    opacity: 1;
}

/* Icon wrapper enhancement */
.icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.icon-wrapper::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: inherit;
    opacity: 0.2;
    border-radius: inherit;
}

.calculator-card:hover .icon-wrapper {
    transform: rotateY(180deg) scale(1.1);
}

.icon-wrapper i {
    position: relative;
    z-index: 1;
    font-size: 2rem;
}

/* Card button styles */
.calculator-card .btn {
    border-radius: 25px;
    padding: 0.5rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
    border: none;
}

.calculator-card .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.2);
    transition: width 0.3s ease;
    z-index: -1;
}

.calculator-card .btn:hover::before {
    width: 100%;
}

/* Different button colors for different cards */
.calculator-card:nth-child(1) .btn { 
    background: linear-gradient(135deg, var(--primary-color), #0b5ed7); 
}
.calculator-card:nth-child(2) .btn { 
    background: linear-gradient(135deg, var(--success-color), #157347); 
}
.calculator-card:nth-child(3) .btn { 
    background: linear-gradient(135deg, var(--info-color), #0aa2c0); 
}
.calculator-card:nth-child(4) .btn { 
    background: linear-gradient(135deg, var(--warning-color), #ffca2c); 
    color: #212529;
}
.calculator-card:nth-child(5) .btn { 
    background: linear-gradient(135deg, var(--danger-color), #bb2d3b); 
}
.calculator-card:nth-child(6) .btn { 
    background: linear-gradient(135deg, var(--secondary-color), #5c636a); 
}
.calculator-card:nth-child(7) .btn { 
    background: linear-gradient(135deg, var(--purple-color), #5a32a3); 
}
.calculator-card:nth-child(8) .btn { 
    background: linear-gradient(135deg, var(--teal-color), #1aa179); 
}
.calculator-card:nth-child(9) .btn { 
    background: linear-gradient(135deg, var(--orange-color), #e46a10); 
}
.calculator-card:nth-child(10) .btn { 
    background: linear-gradient(135deg, var(--indigo-color), #520dc2); 
}
.calculator-card:nth-child(11) .btn { 
    background: linear-gradient(135deg, var(--pink-color), #c1256d); 
}

/* Custom button classes */
.btn-purple {
    background-color: var(--purple-color) !important;
    color: white !important;
    border: none;
}

.btn-teal {
    background-color: var(--teal-color) !important;
    color: white !important;
    border: none;
}

.btn-orange {
    background-color: var(--orange-color) !important;
    color: white !important;
    border: none;
}

.btn-indigo {
    background-color: var(--indigo-color) !important;
    color: white !important;
    border: none;
}

.btn-pink {
    background-color: var(--pink-color) !important;
    color: white !important;
    border: none;
}

.btn-outline-purple {
    border-color: var(--purple-color) !important;
    color: var(--purple-color) !important;
}

.btn-outline-teal {
    border-color: var(--teal-color) !important;
    color: var(--teal-color) !important;
}

.btn-outline-orange {
    border-color: var(--orange-color) !important;
    color: var(--orange-color) !important;
}

.btn-outline-indigo {
    border-color: var(--indigo-color) !important;
    color: var(--indigo-color) !important;
}

.btn-outline-pink {
    border-color: var(--pink-color) !important;
    color: var(--pink-color) !important;
}

/* Background Colors for Icon Wrapper */
.bg-primary-subtle {
    background-color: rgba(13, 110, 253, 0.15);
}

.bg-success-subtle {
    background-color: rgba(25, 135, 84, 0.15);
}

.bg-info-subtle {
    background-color: rgba(13, 202, 240, 0.15);
}

.bg-warning-subtle {
    background-color: rgba(255, 193, 7, 0.15);
}

.bg-danger-subtle {
    background-color: rgba(220, 53, 69, 0.15);
}

.bg-secondary-subtle {
    background-color: rgba(108, 117, 125, 0.15);
}

.bg-purple-subtle {
    background-color: rgba(111, 66, 193, 0.15);
}

.bg-teal-subtle {
    background-color: rgba(32, 201, 151, 0.15);
}

.bg-orange-subtle {
    background-color: rgba(253, 126, 20, 0.15);
}

.bg-indigo-subtle {
    background-color: rgba(102, 16, 242, 0.15);
}

.bg-pink-subtle {
    background-color: rgba(214, 51, 132, 0.15);
}

/* Text Colors */
.text-purple {
    color: var(--purple-color) !important;
}

.text-teal {
    color: var(--teal-color) !important;
}

.text-orange {
    color: var(--orange-color) !important;
}

.text-indigo {
    color: var(--indigo-color) !important;
}

.text-pink {
    color: var(--pink-color) !important;
}

/* Result Box */
.result-box {
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 1rem;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    font-size: 1.1rem;
}

.result-box:empty::before {
    content: "Hasil akan muncul di sini";
    color: #6c757d;
    font-style: italic;
    font-weight: 400;
}

.result-box.success {
    background-color: #d1e7dd;
    border-color: #badbcc;
    color: #0f5132;
}

.result-box.error {
    background-color: #f8d7da;
    border-color: #f5c2c7;
    color: #842029;
}

body.dark-mode .result-box.success {
    background-color: rgba(25, 135, 84, 0.2);
    border-color: rgba(25, 135, 84, 0.3);
    color: #a3cfbb;
}

body.dark-mode .result-box.error {
    background-color: rgba(220, 53, 69, 0.2);
    border-color: rgba(220, 53, 69, 0.3);
    color: #f1aeb5;
}

/* Card Styles */
.card {
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
}

.card:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
}

.card-header {
    font-weight: 600;
    border-bottom: none;
}

/* Form Styles */
.form-control:focus,
.form-select:focus {
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Button Styles */
.btn {
    font-weight: 500;
    transition: all 0.3s ease;
}

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

/* Nav Pills */
.nav-pills .nav-link {
    color: #6c757d;
    font-weight: 500;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.nav-pills .nav-link.active {
    background-color: var(--primary-color);
}

body.dark-mode .nav-pills .nav-link {
    color: #a0a0a0;
}

body.dark-mode .nav-pills .nav-link.active {
    background-color: var(--primary-color);
    color: #fff;
}

/* Nav Tabs */
.nav-tabs .nav-link {
    color: #6c757d;
    font-weight: 500;
}

.nav-tabs .nav-link.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* ==================== ENHANCED FOOTER STYLES ==================== */
footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    position: relative;
    overflow: hidden;
    margin-top: 4rem;
    color: #fff;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color), var(--success-color));
}

body.dark-mode footer {
    background: linear-gradient(135deg, #0a0a1a 0%, #0f172a 100%);
}

footer .container {
    position: relative;
    z-index: 1;
}

footer h5 {
    color: #fff;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

footer h5 i {
    margin-right: 10px;
    font-size: 1.5rem;
    color: var(--info-color);
}

footer p.small {
    line-height: 1.6;
    max-width: 300px;
}

footer ul.list-inline {
    margin-bottom: 1.5rem;
}

footer ul.list-inline li {
    margin-bottom: 0.5rem;
}

footer ul.list-inline a {
    color: #a0a0a0;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: all 0.3s ease;
    font-weight: 500;
    display: inline-block;
}

footer ul.list-inline a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

footer .text-muted {
    color: #8a8a8a !important;
}

footer .text-muted.mb-0 {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    margin-top: 1rem;
}

/* Footer social icons */
.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

/* Wave effect for footer */
footer::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    height: 100px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ffffff' fill-opacity='0.02' d='M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
    background-size: cover;
    opacity: 0.5;
}

body.dark-mode footer::after {
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23000000' fill-opacity='0.05' d='M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
}

/* Toast Notification */
.toast {
    background-color: #fff;
    border: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

body.dark-mode .toast {
    background-color: #16213e;
    color: #e0e0e0;
}

body.dark-mode .toast-header {
    background-color: #0f3460;
    color: #e0e0e0;
    border-bottom-color: #1a1a2e;
}

body.dark-mode .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* ==================== RESPONSIVE ENHANCEMENTS ==================== */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .display-5 {
        font-size: 1.5rem;
    }
    
    .icon-wrapper {
        width: 60px;
        height: 60px;
        border-radius: 15px;
    }
    
    .icon-wrapper i {
        font-size: 1.5rem !important;
    }
    
    .calculator-card h5 {
        font-size: 1rem;
    }
    
    .result-box {
        font-size: 1rem;
    }
    
    .calculator-card:hover {
        transform: translateY(-5px);
    }
    
    footer .row {
        text-align: center;
    }
    
    footer h5 {
        justify-content: center;
    }
    
    footer p.small {
        margin: 0 auto;
    }
    
    .footer-social {
        justify-content: center;
    }
}

/* Print Styles */
@media print {
    .navbar,
    footer,
    .btn,
    .toast-container {
        display: none !important;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #dee2e6;
    }
}

/* Animation for cards */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.calculator-card {
    animation: slideInUp 0.5s ease forwards;
}

.calculator-card:nth-child(1) { animation-delay: 0.05s; }
.calculator-card:nth-child(2) { animation-delay: 0.1s; }
.calculator-card:nth-child(3) { animation-delay: 0.15s; }
.calculator-card:nth-child(4) { animation-delay: 0.2s; }
.calculator-card:nth-child(5) { animation-delay: 0.25s; }
.calculator-card:nth-child(6) { animation-delay: 0.3s; }
.calculator-card:nth-child(7) { animation-delay: 0.35s; }
.calculator-card:nth-child(8) { animation-delay: 0.4s; }
.calculator-card:nth-child(9) { animation-delay: 0.45s; }
.calculator-card:nth-child(10) { animation-delay: 0.5s; }
.calculator-card:nth-child(11) { animation-delay: 0.55s; }

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

body.dark-mode ::-webkit-scrollbar-track {
    background: #1a1a2e;
}

body.dark-mode ::-webkit-scrollbar-thumb {
    background: #0f3460;
}

body.dark-mode ::-webkit-scrollbar-thumb:hover {
    background: #16213e;
}