:root {
    --color-primary: 4, 120, 87;
    --color-primary-light: 16, 185, 129;
    --color-secondary: 79, 70, 229;
    --color-secondary-light: 139, 92, 246;
    --color-success: 22, 163, 74;
    --color-warning: 234, 179, 8;
    --color-error: 220, 38, 38;
    --color-background: 249, 250, 251;
    --color-text: 28, 28, 30;
    --color-muted: 107, 114, 128;
    --color-card: 255, 255, 255;
    --color-divider: 229, 231, 235;
    --color-header: 4, 120, 87;
    --color-footer: 28, 28, 30;
    --gradient-start: 116, 235, 213;
    --gradient-end: 172, 182, 229;
}

[data-theme="dark"] {
    --color-primary: 16, 185, 129;
    --color-primary-light: 5, 150, 105;
    --color-secondary: 139, 92, 246;
    --color-secondary-light: 124, 58, 237;
    --color-success: 34, 197, 94;
    --color-warning: 250, 204, 21;
    --color-error: 239, 68, 68;
    --color-background: 18, 18, 18;
    --color-text: 229, 231, 235;
    --color-muted: 156, 163, 175;
    --color-card: 30, 30, 30;
    --color-divider: 55, 55, 55;
    --color-header: 6, 78, 59;
    --color-footer: 23, 23, 23;
    --gradient-start: 44, 62, 80;
    --gradient-end: 52, 152, 219;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Cairo', sans-serif;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

html {
    scroll-behavior: smooth;
}

body {
    background: linear-gradient(135deg, 
        rgba(var(--gradient-start), 1) 0%, 
        rgba(var(--gradient-end), 1) 100%);
    color: rgb(var(--color-text));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.5;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header & Navigation */
header {
    background-color: rgba(var(--color-header), 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.logo {
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.menu-toggle {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    transition: background-color 0.3s;
}

.menu-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.theme-toggle {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s, transform 0.3s;
}

.theme-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: rotate(30deg);
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 280px;
    background-color: rgba(var(--color-card), 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 1001;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar.active {
    transform: translateX(0);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid rgba(var(--color-divider), 1);
}

.sidebar-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 9999px;
    transition: background-color 0.3s;
}

.sidebar-close:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.sidebar-menu {
    padding: 1rem;
}

.sidebar-menu ul {
    list-style: none;
}

.menu-item {
    margin-bottom: 0.5rem;
}

.menu-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s;
    font-weight: 500;
}

.menu-link:hover {
    background-color: rgba(var(--color-primary), 1);
    color: white;
    transform: translateX(-4px);
}

.menu-link.active {
    background-color: rgba(var(--color-primary), 1);
    color: white;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    backdrop-filter: blur(3px);
}

.sidebar-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Main content */
main {
    padding-top: 80px;
    padding-bottom: 2rem;
    flex-grow: 1;
}

.card {
    background-color: rgba(var(--color-card), 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 0.75rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 1.5rem;
    animation: fadeIn 0.5s ease-out forwards;
}

.card-header {
    padding: 1rem;
    border-bottom: 1px solid rgba(var(--color-divider), 1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
    .form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .form-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid rgba(var(--color-divider), 1);
    border-radius: 0.5rem;
    background-color: rgba(var(--color-background), 1);
    color: rgba(var(--color-text), 1);
    transition: all 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: rgba(var(--color-primary), 1);
    box-shadow: 0 0 0 3px rgba(var(--color-primary), 0.2);
}

.input-with-prefix {
    position: relative;
}

.input-with-prefix input {
    padding-left: 2.5rem;
}

.input-prefix {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(var(--color-muted), 1);
    font-weight: 500;
}

.form-select {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid rgba(var(--color-divider), 1);
    border-radius: 0.5rem;
    background-color: rgba(var(--color-background), 1);
    color: rgba(var(--color-text), 1);
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: left 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1em 1em;
    padding-left: 2.5rem;
}

.form-select:focus {
    outline: none;
    border-color: rgba(var(--color-primary), 1);
    box-shadow: 0 0 0 3px rgba(var(--color-primary), 0.2);
}

.form-help {
    font-size: 0.875rem;
    color: rgba(var(--color-muted), 1);
    margin-top: 0.25rem;
    padding: 0.375rem;
    background-color: rgba(var(--color-background), 0.5);
    border: 1px solid rgba(var(--color-divider), 1);
    border-radius: 0.25rem;
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    font-weight: 600;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    font-size: 0.9375rem;
}

.btn-primary {
    background-color: rgba(var(--color-primary), 1);
    color: white;
}

.btn-primary:hover {
    background-color: rgba(var(--color-primary-light), 1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--color-primary), 0.3);
}

.btn-secondary {
    background-color: rgba(var(--color-secondary), 1);
    color: white;
}

.btn-secondary:hover {
    background-color: rgba(var(--color-secondary-light), 1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--color-secondary), 0.3);
}

.btn-ghost {
    background-color: transparent;
    color: rgba(var(--color-text), 1);
}

.btn-ghost:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.btn-danger {
    background-color: rgba(var(--color-error), 1);
    color: white;
}

.btn-danger:hover {
    background-color: rgba(var(--color-error), 0.9);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--color-error), 0.3);
}

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Tab Navigation */
.tab-nav {
    display: flex;
    border-bottom: 1px solid rgba(var(--color-divider), 1);
    margin-bottom: 1.5rem;
    overflow-x: auto;
}

.tab-button {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    color: rgba(var(--color-muted), 1);
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.tab-button:hover {
    color: rgba(var(--color-primary), 1);
}

.tab-button.active {
    color: rgba(var(--color-primary), 1);
    border-bottom-color: rgba(var(--color-primary), 1);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.tab-content.active {
    display: block;
}

/* Result Sections */
.result-section {
    opacity: 0;
    pointer-events: none;
    height: 0;
    overflow: hidden;
    transition: opacity 0.5s, height 0.5s;
}

.result-section.active {
    opacity: 1;
    pointer-events: auto;
    height: auto;
    margin-top: 1.5rem;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 640px) {
    .result-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .result-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.result-card {
    background-color: rgba(var(--color-background), 0.5);
    border: 1px solid rgba(var(--color-divider), 0.5);
    border-radius: 0.5rem;
    overflow: hidden;
}

.result-card-header {
    padding: 0.75rem 1rem;
    background-color: rgba(var(--color-card), 0.8);
    border-bottom: 1px solid rgba(var(--color-divider), 1);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.result-card-body {
    padding: 1rem;
}

.result-card-body p {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.result-card-body p span {
    font-weight: 600;
}

.success-value {
    color: rgba(var(--color-success), 1);
}

.error-value {
    color: rgba(var(--color-error), 1);
}

/* Alert boxes */
.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert-icon {
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.alert-error {
    background-color: rgba(var(--color-error), 0.1);
    border: 1px solid rgba(var(--color-error), 0.2);
    color: rgba(var(--color-error), 1);
}

.alert-success {
    background-color: rgba(var(--color-success), 0.1);
    border: 1px solid rgba(var(--color-success), 0.2);
    color: rgba(var(--color-success), 1);
}

.alert-info {
    background-color: rgba(var(--color-primary), 0.1);
    border: 1px solid rgba(var(--color-primary), 0.2);
    color: rgba(var(--color-primary), 1);
}

/* Toast notifications */
.toast-container {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 1010;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 24rem;
}

.toast {
    padding: 1rem;
    border-radius: 0.5rem;
    background-color: rgba(var(--color-card), 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transform: translateX(100%);
    opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-success {
    border-right: 4px solid rgba(var(--color-success), 1);
}

.toast-error {
    border-right: 4px solid rgba(var(--color-error), 1);
}

.toast-info {
    border-right: 4px solid rgba(var(--color-primary), 1);
}

.toast-content {
    flex-grow: 1;
}

.toast-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.25rem;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.toast-close:hover {
    opacity: 1;
}

/* Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.modal-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.modal {
    background-color: rgba(var(--color-card), 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 0.75rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    width: 100%;
    max-width: 28rem;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 0.3s;
}

.modal-backdrop.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 1rem;
    border-bottom: 1px solid rgba(var(--color-divider), 1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-weight: 700;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem;
    border-top: 1px solid rgba(var(--color-divider), 1);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* Home page styles */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

@media (min-width: 768px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.feature-card {
    display: block;
    border-radius: 0.75rem;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.feature-card.primary {
    background: linear-gradient(135deg, rgba(var(--color-primary), 1), rgba(var(--color-primary-light), 1));
    color: white;
}

.feature-card.secondary {
    background: linear-gradient(135deg, rgba(var(--color-secondary), 1), rgba(var(--color-secondary-light), 1));
    color: white;
}

.feature-icon {
    width: 3rem;
    height: 3rem;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.feature-content {
    padding: 2rem;
    text-align: center;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feature-description {
    opacity: 0.9;
}

/* Benefits section */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

@media (min-width: 640px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.benefit-card {
    background-color: rgba(var(--color-card), 0.5);
    border-radius: 0.5rem;
    padding: 1.5rem;
    text-align: center;
    transition: background-color 0.3s;
}

.benefit-card:hover {
    background-color: rgba(var(--color-card), 0.8);
}

.benefit-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 9999px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.benefit-icon.primary {
    background-color: rgba(var(--color-primary), 0.1);
    color: rgba(var(--color-primary), 1);
}

.benefit-icon.success {
    background-color: rgba(var(--color-success), 0.1);
    color: rgba(var(--color-success), 1);
}

.benefit-icon.warning {
    background-color: rgba(var(--color-warning), 0.1);
    color: rgba(var(--color-warning), 1);
}

.benefit-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.benefit-text {
    color: rgba(var(--color-muted), 1);
    font-size: 0.875rem;
}

/* Footer */
footer {
    background-color: rgba(var(--color-footer), 1);
    color: white;
    padding: 3rem 0 2rem;
    margin-top: auto;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1.5rem;
    margin-top: 1.5rem;
}

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s;
}

.footer-link:hover {
    color: rgba(var(--color-primary), 1);
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

    /* Alert Box Styles */
.alert-box {
background-color: rgba(246, 243, 230, 0.7);
border: 1px solid #f0e6c2;
border-radius: 0.5rem;
margin-bottom: 1.5rem;
overflow: hidden;
}

.alert-title {
background-color: #f5b740;
color: #5a4500;
padding: 0.75rem 1rem;
font-weight: 600;
display: flex;
align-items: center;
gap: 0.5rem;
font-size: 1.1rem;
}

.alert-content {
padding: 1rem;
}

.alert-list {
list-style: none;
padding: 0;
margin-bottom: 0.75rem;
}

.alert-list li {
margin-bottom: 0.5rem;
display: flex;
align-items: center;
gap: 0.5rem;
}

.alert-list li::before {
content: "\f058";
font-family: "Font Awesome 5 Free";
font-weight: 900;
color: var(--primary-color);
}

.alert-note {
  background-color: rgb(255 0 0 / 70%);
padding: 0.75rem;
border-radius: 0.25rem;
border-right: 3px solid var(--primary-color);
margin-top: 0.5rem;
}