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

:root {
    --primary: #0ea5e9;
    --primary-hover: #0284c7;
    --primary-light: rgba(14, 165, 233, 0.15);
    --primary-glow: rgba(14, 165, 233, 0.4);
    --bg-dark: #020617;
    --bg-card: rgba(15, 23, 42, 0.6);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: rgba(148, 163, 184, 0.1);
    --gradient-start: #3b82f6;
    --gradient-end: #06b6d4;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(circle at 0% 0%, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(6, 182, 212, 0.2) 0%, transparent 50%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 1.6;
}

.wrapper {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

@media (max-width: 968px) {
    .wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 1rem;
    }
}

/* Hero Section */
.hero {
    padding-right: 2rem;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.3));
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.feature-icon {
    width: 32px;
    height: 32px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--border);
    color: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Config Card */
.config-card {
    background: var(--bg-card);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(255, 255, 255, 0.02);
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

/* Add a subtle shine effect */
.config-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.card-header {
    text-align: center;
    margin-bottom: 2rem;
}

.logo {
    width: 72px;
    height: 72px;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 25px rgba(59, 130, 246, 0.4));
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

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

.label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 12px;
    color: var(--text-muted);
    pointer-events: none;
    display: flex;
    align-items: center;
}

.input, .select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.input.has-icon {
    padding-left: 2.5rem;
}

.input:focus, .select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-light);
    background: rgba(15, 23, 42, 0.8);
}

.select {
    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='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.25em 1.25em;
    padding-right: 2.5rem;
    cursor: pointer;
}

/* Toggles */
.toggle-btn {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    transition: all 0.2s;
}

.toggle-btn:hover {
    background: var(--primary-light);
}

/* Radio Tiles */
.radio-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.radio-option {
    position: relative;
}

.radio-option input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    inset: 0;
    z-index: 2;
}

.radio-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.radio-tile::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, var(--primary-light), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
}

.radio-icon {
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    transition: all 0.3s;
}

.radio-tile span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.3s;
}

.radio-option input:checked + .radio-tile {
    border-color: var(--primary);
    background: rgba(15, 23, 42, 0.9);
    box-shadow: 0 0 0 1px var(--primary), 0 10px 25px -5px var(--primary-light);
    transform: translateY(-2px);
}

.radio-option input:checked + .radio-tile .radio-icon {
    color: var(--primary);
    transform: scale(1.1);
}

.radio-option input:checked + .radio-tile span {
    color: var(--text-main);
}

.radio-option input:checked + .radio-tile::before {
    opacity: 1;
}

.radio-option:hover .radio-tile {
    border-color: rgba(148, 163, 184, 0.3);
}

/* Buttons */
.btn {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

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

.btn-outline {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--text-main);
    background: rgba(14, 165, 233, 0.1);
    box-shadow: 0 0 15px rgba(14, 165, 233, 0.1);
}

/* Messages */
.error-box {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    display: none;
    animation: shake 0.4s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shake {
    10%, 90% { transform: translate3d(-1px, 0, 0); }
    20%, 80% { transform: translate3d(2px, 0, 0); }
    30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
    40%, 60% { transform: translate3d(4px, 0, 0); }
}

.success-view {
    text-align: center;
    display: none;
    animation: fadeIn 0.5s ease-out;
}

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

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(16, 185, 129, 0.05));
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.2);
}

/* Utils */
.helper-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.hidden {
    display: none;
}

.url-box {
    background: rgba(2, 6, 23, 0.6);
    padding: 1.25rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    font-family: 'JetBrains Mono', monospace;
    color: #38bdf8;
    word-break: break-all;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    position: relative;
}

/* Warning Box */
.warning-box {
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: start;
    text-align: left;
}

.warning-icon {
    color: var(--warning);
    flex-shrink: 0;
}

.warning-content h4 {
    color: #fbbf24;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Animations */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.loader {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Version Badge */
.version-badge {
    display: inline-block;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.3);
    color: var(--primary);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.05em;
}

/* Announcement */
.announcement {
    background: linear-gradient(to right, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 0.75rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    font-size: 0.875rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}