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

:root {
    /* Web2 Cool Color Palette */
    --primary-color: #00d2ff;
    --primary-dark: #0078ff;
    --accent-color: #3a7bd5;
    --secondary-accent: #9d50bb;
    /* Vibrant purple for contrast */

    /* Cool Gradient Background */
    --background-gradient: linear-gradient(135deg, #141E30 0%, #243B55 100%);
    /* Deep cool dark bg */

    /* Cards and Glassmorphism */
    --card-bg: rgba(255, 255, 255, 0.1);
    --card-border: 1px solid rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);

    /* Text Colors for Dark Mode */
    --text-primary: #ffffff;
    --text-secondary: #b3c6e0;
    --input-bg: rgba(255, 255, 255, 0.05);
    --input-border: rgba(255, 255, 255, 0.2);

    --success: #00b09b;
    /* Cool Green */
    --border-radius: 20px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    background: var(--background-gradient);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
    padding: 20px;
}

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

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

.container {
    background: var(--card-bg);
    width: 100%;
    max-width: 500px;
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: var(--card-border);
    position: relative;
    overflow: hidden;
    margin-bottom: 2rem;
}

.container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 210, 255, 0.1) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

/* Ensure content sits above the background glow */
.container>* {
    position: relative;
    z-index: 1;
}

header {
    text-align: center;
    margin-bottom: 2.5rem;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(to right, #00d2ff, #3a7bd5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

p.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 400;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

input[type="number"] {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 1px solid var(--input-border);
    border-radius: 12px;
    font-size: 1.25rem;
    font-family: inherit;
    background: var(--input-bg);
    color: white;
    transition: all 0.3s ease;
    outline: none;
}

input[type="number"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.2);
    background: rgba(255, 255, 255, 0.1);
}

/* Select2 Customization for Dark Glass Theme */
.select2-container .select2-selection--single {
    height: 54px;
    border: 1px solid var(--input-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    background: var(--input-bg);
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    color: white;
    font-size: 1.1rem;
    padding-left: 15px;
    line-height: 52px;
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 52px;
    right: 10px;
}

.select2-container--default .select2-selection--single .select2-selection__arrow b {
    border-color: var(--text-secondary) transparent transparent transparent;
}

.select2-dropdown {
    background-color: #1e2a4a;
    /* Solid dark color for dropdown readability */
    border: 1px solid var(--primary-dark);
    border-radius: 12px;
    overflow: hidden;
}

.select2-container--default .select2-results__option--highlighted.select2-results__option--selectable {
    background-color: var(--primary-dark);
    color: white;
}

.select2-container--default .select2-results__option--selectable {
    background-color: #1e2a4a;
    color: #b3c6e0;
}

.currency-row {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.currency-col {
    flex: 1;
}

.swap-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    margin-top: 1.5rem;
    /* Align with inputs */
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    cursor: pointer;
    color: var(--primary-color);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid var(--input-border);
}

.swap-icon:hover {
    transform: rotate(180deg) scale(1.1);
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
}

button#convert-btn {
    width: 100%;
    background: linear-gradient(90deg, #00d2ff 0%, #3a7bd5 100%);
    color: white;
    border: none;
    padding: 1.25rem;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
    margin-top: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

button#convert-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

button#convert-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 210, 255, 0.5);
}

button#convert-btn:hover::after {
    opacity: 1;
}

.result-container {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    display: none;
}

.result-container.active {
    display: block;
    animation: fadeIn 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.conversion-text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.conversion-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 2rem;
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.conversion-value span.currency-code {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.8rem 1.25rem;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-copy {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    /* Make it pop */
    width: 100%;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

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

/* Social Brand Colors */
.btn-icon i {
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.btn-icon[data-share="whatsapp"]:hover i {
    color: #25D366;
}

.btn-icon[data-share="telegram"]:hover i {
    color: #0088cc;
}

.btn-icon[data-share="linkedin"]:hover i {
    color: #0077b5;
}

.btn-icon[data-share="facebook"]:hover i {
    color: #1877f2;
}

.btn-icon[data-share="email"]:hover i {
    color: #ea4335;
}

.btn-icon:hover {
    background: white;
    /* Make background white on hover so brand colors pop */
    border-color: white;
}

/* Footer Styles */
.app-footer {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    text-align: center;
    margin-top: 1rem;
}

.app-footer a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px dotted rgba(0, 210, 255, 0.5);
    transition: all 0.2s;
}

.app-footer a:hover {
    color: #fff;
    border-bottom-color: #fff;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 480px) {
    .currency-row {
        flex-direction: column;
        gap: 0.5rem;
    }

    .swap-icon {
        margin-top: 0;
        /* Reset for column layout */
        padding: 0.5rem 0;
        transform: rotate(90deg);
    }

    .swap-icon:hover {
        transform: rotate(270deg) scale(1.1);
    }
}

/* Animation for the heart icon */
@keyframes heartbeat {
    0% {
        transform: scale(1);
    }

    14% {
        transform: scale(1.3);
    }

    28% {
        transform: scale(1);
    }

    42% {
        transform: scale(1.3);
    }

    70% {
        transform: scale(1);
    }
}

.beating-heart {
    display: inline-block;
    animation: heartbeat 1.5s infinite;
    cursor: pointer;
}