/* Import Professional Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* Professional Variables */
:root {
    --primary-color: #0066FF;
    --primary-dark: #0052CC;
    --primary-light: #3385FF;
    --success-color: #00875A;
    --danger-color: #DE350B;
    --neutral-900: #091E42;
    --neutral-800: #172B4D;
    --neutral-700: #253858;
    --neutral-600: #344563;
    --neutral-500: #42526E;
    --neutral-400: #5E6C84;
    --neutral-300: #7A869A;
    --neutral-200: #97A0AF;
    --neutral-100: #DFE1E6;
    --neutral-50: #F4F5F7;
    --neutral-20: #FAFBFC;
    --border-radius: 8px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #FAFBFC;
    color: var(--neutral-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.dark body {
    background: #0D1117;
    color: #E6EDF3;
}

/* Enhanced Accent Colors - Professional Tones */
[data-accent='blue'] {
    --accent-color: 0 102 255;
    --accent-glow: 51 133 255;
}

[data-accent='green'] {
    --accent-color: 0 135 90;
    --accent-glow: 0 168 112;
}

[data-accent='orange'] {
    --accent-color: 255 107 0;
    --accent-glow: 255 133 51;
}

[data-accent='pink'] {
    --accent-color: 194 5 96;
    --accent-glow: 219 39 119;
}

[data-accent='teal'] {
    --accent-color: 0 150 136;
    --accent-glow: 38 166 154;
}

[data-accent='amber'] {
    --accent-color: 245 124 0;
    --accent-glow: 255 160 0;
}

/* Professional Header */
header {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(8px) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.dark header {
    background: rgba(22, 27, 34, 0.98) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
}

/* Premium Converter Card */
#converter-card {
    background: white !important;
    border: 1px solid var(--neutral-100) !important;
    box-shadow: var(--shadow-lg) !important;
    border-radius: 12px !important;
    transition: all 0.3s ease;
}

.dark #converter-card {
    background: #161B22 !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
}

#converter-card:hover {
    box-shadow: var(--shadow-xl) !important;
    transform: translateY(-2px);
}

/* Accent Color Utilities */
.bg-accent {
    background: rgb(var(--accent-color)) !important;
}

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

.border-accent {
    border-color: rgb(var(--accent-color)) !important;
}

.hover\:border-accent\/50:hover {
    border-color: rgb(var(--accent-color) / 0.5);
}

/* Professional Input Fields */
input[type="number"],
input[type="text"] {
    transition: all 0.2s ease !important;
    font-feature-settings: "tnum";
}

input[type="number"]:focus,
input[type="text"]:focus {
    border-color: rgb(var(--accent-color)) !important;
    box-shadow: 0 0 0 3px rgba(var(--accent-color), 0.08) !important;
}

/* Professional Button Styles */
button {
    transition: all 0.2s ease;
    font-weight: 500;
}

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

button:active {
    transform: translateY(0);
}

/* Swap Button - Elegant */
#swap-currency-btn {
    background: rgb(var(--accent-color)) !important;
    color: white !important;
    box-shadow: var(--shadow-md);
}

#swap-currency-btn:hover {
    background: rgb(var(--accent-color)) !important;
    opacity: 0.9;
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px) !important;
}

#swap-currency-btn:active {
    transform: translateY(0) !important;
}

/* Currency Buttons - Clean */
#from-currency-btn,
#to-currency-btn {
    background: var(--neutral-20) !important;
    border: 1px solid var(--neutral-100) !important;
    transition: all 0.2s ease;
}

.dark #from-currency-btn,
.dark #to-currency-btn {
    background: #0D1117 !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

#from-currency-btn:hover,
#to-currency-btn:hover {
    background: white !important;
    border-color: rgb(var(--accent-color)) !important;
    box-shadow: var(--shadow-md);
}

.dark #from-currency-btn:hover,
.dark #to-currency-btn:hover {
    background: #161B22 !important;
}

/* Results Box - Professional */
.bg-gradient-to-r.from-accent\/10 {
    background: linear-gradient(135deg, rgba(var(--accent-color), 0.05), rgba(var(--accent-color), 0.02)) !important;
    border: 1px solid rgba(var(--accent-color), 0.15) !important;
}

/* Amount Display */
#converted-amount-display {
    font-family: 'IBM Plex Mono', 'SF Mono', Monaco, monospace;
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* Color Picker Buttons - Refined */
.accent-btn {
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.accent-btn:hover {
    transform: scale(1.15);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Modal - Clean */
#currency-selector-modal>div:first-child {
    backdrop-filter: blur(4px);
    background: rgba(0, 0, 0, 0.5) !important;
}

#currency-selector-modal>div>div>div {
    background: white !important;
    border: 1px solid var(--neutral-100);
    box-shadow: var(--shadow-xl);
}

.dark #currency-selector-modal>div>div>div {
    background: #161B22 !important;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Professional Typography */
h1 {
    font-family: 'Inter', sans-serif;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--neutral-900);
}

.dark h1 {
    color: #E6EDF3;
}

h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* Labels */
label {
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--neutral-600);
}

.dark label {
    color: #8B949E;
}

/* Refresh Button */
#refresh-rates-btn {
    transition: all 0.2s ease;
    font-weight: 500;
}

#refresh-rates-btn:hover {
    background: rgba(var(--accent-color), 0.08) !important;
    color: rgb(var(--accent-color)) !important;
}

/* Footer - Minimal */
footer {
    background: white !important;
    border-top: 1px solid var(--neutral-100);
}

.dark footer {
    background: #0D1117 !important;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

footer a {
    transition: color 0.2s ease;
}

footer a:hover {
    color: rgb(var(--accent-color)) !important;
}

/* Professional Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--neutral-50);
}

.dark ::-webkit-scrollbar-track {
    background: #0D1117;
}

::-webkit-scrollbar-thumb {
    background: var(--neutral-300);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neutral-400);
}

/* Data Tables & Lists - Professional Styling */
.currency-list-item {
    border: 1px solid var(--neutral-100);
    transition: all 0.2s ease;
}

.currency-list-item:hover {
    border-color: rgb(var(--accent-color));
    background: rgba(var(--accent-color), 0.02);
}

/* Status Indicators */
.status-live {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--success-color);
    font-weight: 500;
    font-size: 0.875rem;
}

.status-live::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--success-color);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Card Sections */
.info-card {
    background: var(--neutral-20);
    border: 1px solid var(--neutral-100);
    border-radius: var(--border-radius);
    padding: 1rem;
}

.dark .info-card {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

/* Professional Spacing */
.section-spacing {
    margin-top: 3rem;
    margin-bottom: 3rem;
}

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

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

.fade-in {
    animation: fadeIn 0.4s ease-out;
}

/* Remove all playful elements */
body::before {
    display: none;
}

/* Professional Focus States */
*:focus-visible {
    outline: 2px solid rgb(var(--accent-color));
    outline-offset: 2px;
}

/* Disabled States */
button:disabled,
input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.7);
    border-radius: inherit;
}

/* Professional Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--neutral-100);
    color: var(--neutral-700);
}

.badge-primary {
    background: rgba(var(--accent-color), 0.1);
    color: rgb(var(--accent-color));
}

.badge-success {
    background: rgba(0, 135, 90, 0.1);
    color: var(--success-color);
}


::-webkit-scrollbar-track {
    background: var(--neutral-50);
}

.dark ::-webkit-scrollbar-track {
    background: #0D1117;
}

::-webkit-scrollbar-thumb {
    background: var(--neutral-300);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neutral-400);
}

/* Data Tables & Lists - Professional Styling */
.currency-list-item {
    border: 1px solid var(--neutral-100);
    transition: all 0.2s ease;
}

.currency-list-item:hover {
    border-color: rgb(var(--accent-color));
    background: rgba(var(--accent-color), 0.02);
}

/* Status Indicators */
.status-live {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--success-color);
    font-weight: 500;
    font-size: 0.875rem;
}

.status-live::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--success-color);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Card Sections */
.info-card {
    background: var(--neutral-20);
    border: 1px solid var(--neutral-100);
    border-radius: var(--border-radius);
    padding: 1rem;
}

.dark .info-card {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
}

/* Professional Spacing */
.section-spacing {
    margin-top: 3rem;
    margin-bottom: 3rem;
}

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

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

.fade-in {
    animation: fadeIn 0.4s ease-out;
}

/* Remove all playful elements */
body::before {
    display: none;
}

/* Professional Focus States */
*:focus-visible {
    outline: 2px solid rgb(var(--accent-color));
    outline-offset: 2px;
}

/* Disabled States */
button:disabled,
input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.7);
    border-radius: inherit;
}

/* Professional Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--neutral-100);
    color: var(--neutral-700);
}

.badge-primary {
    background: rgba(var(--accent-color), 0.1);
    color: rgb(var(--accent-color));
}

.badge-success {
    background: rgba(0, 135, 90, 0.1);
    color: var(--success-color);
}

/* --- Added Layout Fixes --- */
.premium-grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 1024px) {
    .premium-grid-2 {
        grid-template-columns: 1fr 1.2fr;
        gap: 8rem;
    }
}

.feature-card {
    background: white !important;
    border: 1px solid var(--neutral-100) !important;
    padding: 3rem 2rem !important;
    border-radius: 24px !important;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1) !important;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    height: 100%;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03) !important;
}

.dark .feature-card {
    background: rgba(17, 24, 39, 0.7) !important;
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
}

.feature-card:hover {
    transform: translateY(-12px) !important;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04) !important;
    border-color: rgb(var(--accent-color) / 0.3) !important;
}

.feature-icon-container {
    width: 64px !important;
    height: 64px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
    background-color: rgb(var(--accent-color) / 0.1) !important;
    border-radius: 20px !important;
    margin-bottom: 2rem !important;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

.feature-card:hover .feature-icon-container {
    background-color: rgb(var(--accent-color)) !important;
    transform: rotate(-8deg) scale(1.1);
    box-shadow: 0 10px 20px rgb(var(--accent-color) / 0.3);
}

.feature-card:hover .feature-icon-container i {
    color: white !important;
}

.premium-section-padding {
    padding-top: 5rem !important;
    padding-bottom: 5rem !important;
    position: relative;
    overflow: hidden;
}

.premium-section-padding::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 2px 2px, rgb(var(--accent-color) / 0.05) 1px, transparent 0);
    background-size: 32px 32px;
    pointer-events: none;
    mask-image: linear-gradient(to bottom, transparent, black 15%, black 85%, transparent);
}

@media (min-width: 1024px) {
    .premium-section-padding {
        padding-top: 8rem !important;
        padding-bottom: 8rem !important;
    }
}

/* FAQ Refinement */
.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .faq-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem 2rem;
    }
}

.faq-item {
    background: white !important;
    border: 1px solid var(--neutral-100) !important;
    border-radius: 16px !important;
    padding: 2rem !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
}

.faq-item:hover {
    border-color: rgba(var(--accent-color), 0.4) !important;
    background: white !important;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08) !important;
    transform: translateY(-4px);
}

.faq-question {
    font-weight: 700 !important;
    color: var(--neutral-900) !important;
    font-size: 1.25rem !important;
    margin-bottom: 1rem !important;
    letter-spacing: -0.01em;
}

.faq-answer {
    color: var(--neutral-500) !important;
    line-height: 1.7 !important;
    font-size: 1rem !important;
}

.dark .faq-item {
    background: #161B22 !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
}

.dark .faq-item:hover {
    background: #1C2128 !important;
    border-color: rgba(var(--accent-color), 0.4) !important;
}

.dark .faq-question {
    color: #E6EDF3 !important;
}

.dark .faq-answer {
    color: #8B949E !important;
}

.feature-card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

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

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

/* Workflow Step Styling */
.steps-container {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    padding: 3rem 0;
    max-width: 1000px;
    margin: 0 auto;
}

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

.step-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    z-index: 1;
}

.step-number {
    flex-shrink: 0;
    width: 5rem;
    height: 5rem;
    border-radius: 2rem;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 900;
    color: rgb(var(--accent-color));
    border: 2px solid rgba(var(--accent-color), 0.1);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    margin-bottom: 2rem;
    position: relative;
}

.dark .step-number {
    background: #1C2128;
    border-color: rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.step-item:hover .step-number {
    background: rgb(var(--accent-color));
    color: white;
    transform: translateY(-5px) scale(1.1) rotate(8deg);
    box-shadow: 0 15px 30px rgba(var(--accent-color), 0.3);
}

.step-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--neutral-900);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.dark .step-title {
    color: white;
}

.step-description {
    font-size: 1rem;
    color: var(--neutral-500);
    line-height: 1.7;
    max-width: 280px;
}

.dark .step-description {
    color: #8B949E;
}

/* Horizontal Connector Line */
@media (min-width: 1024px) {
    .steps-container::before {
        content: '';
        position: absolute;
        top: 5.5rem;
        left: 15%;
        right: 15%;
        height: 2px;
        background: repeating-linear-gradient(to right, transparent, transparent 10px, rgba(var(--accent-color), 0.2) 10px, rgba(var(--accent-color), 0.2) 20px);
        z-index: 0;
    }
}

/* Section Header Styling */
.section-tag {
    display: inline-flex;
    padding: 0.6rem 1.25rem;
    background: rgba(var(--accent-color), 0.1);
    color: rgb(var(--accent-color));
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(var(--accent-color), 0.1);
}

.section-title-premium {
    font-size: 3rem;
    font-weight: 850;
    color: var(--neutral-900);
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

@media (min-width: 1024px) {
    .section-title-premium {
        font-size: 4rem;
    }
}

.dark .section-title-premium {
    color: white;
}

/* Gradient Text */
.text-gradient {
    background: linear-gradient(135deg, rgb(var(--accent-color)) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

html {
    scroll-behavior: smooth;
}

#converter-card {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15) !important;
}