:root {
    --bg-dark: #070c13;
    --card-bg: rgba(17, 24, 39, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --accent: #3b82f6;
    --success: #10b981;
    --error: #ef4444;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: radial-gradient(circle at top, rgba(59, 130, 246, 0.2) 0%, rgba(7, 12, 19, 1) 55%);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 40px 16px;
    display: flex;
    justify-content: center;
}

.setup-wrapper {
    width: 100%;
    max-width: 1100px;
    background: rgba(12, 20, 31, 0.85);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    backdrop-filter: blur(12px);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.3);
}

.setup-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 32px;
}

.logo-circle {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.15);
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 22px;
    letter-spacing: 1px;
    color: var(--accent);
}

.setup-header h1 {
    margin: 0;
    font-size: 28px;
    font-weight: 700;
}

.setup-header p {
    margin: 4px 0 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.alert {
    border-radius: 16px;
    padding: 20px 24px;
    margin-bottom: 32px;
    border: 1px solid transparent;
}

.alert h3 {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 600;
}

.alert ul {
    margin: 0;
    padding-left: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.4);
}

.alert-success {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.4);
}

.alert-success p {
    margin: 0 0 12px;
    color: rgba(209, 250, 229, 0.9);
}

.setup-form section {
    margin-bottom: 32px;
    padding: 28px;
    border: 1px solid var(--border-color);
    border-radius: 18px;
    background: rgba(15, 23, 38, 0.75);
}

.setup-form section h2 {
    margin: 0 0 20px;
    font-size: 20px;
    font-weight: 600;
}

.grid {
    display: grid;
    gap: 18px;
}

.two-cols {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.three-cols {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-field label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-field input[type="text"],
.form-field input[type="number"],
.form-field input[type="password"],
.form-field input[type="url"],
.form-field input[type="email"],
.form-field textarea {
    background: rgba(17, 24, 39, 0.75);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 12px;
    padding: 12px 14px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: rgba(59, 130, 246, 0.6);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-field textarea {
    min-height: 100px;
    resize: vertical;
}

.form-field input[type="color"] {
    height: 48px;
    border-radius: 12px;
    border: 1px solid rgba(148, 163, 184, 0.2);
    background: rgba(17, 24, 39, 0.75);
    cursor: pointer;
}

.file-field input[type="file"] {
    background: rgba(17, 24, 39, 0.75);
    border: 1px dashed rgba(148, 163, 184, 0.3);
    border-radius: 12px;
    padding: 12px;
    color: var(--text-secondary);
}

.file-field .file-name {
    font-size: 12px;
    color: rgba(209, 213, 219, 0.65);
}

.color-preview {
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.15);
    overflow: hidden;
    margin-bottom: 20px;
    transition: border-color 0.2s ease;
}

.preview-header {
    background: rgba(59, 130, 246, 0.1);
    padding: 12px 16px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(191, 219, 254, 0.85);
}

.preview-body {
    padding: 24px 24px 32px;
    background: rgba(15, 23, 38, 0.85);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.preview-body span {
    font-weight: 600;
    font-size: 18px;
}

.preview-body small {
    color: var(--text-secondary);
}

.preview-button {
    margin-top: 12px;
    align-self: flex-start;
    padding: 10px 20px;
    border-radius: 999px;
    border: none;
    background: var(--accent);
    color: #fff;
    font-weight: 600;
    cursor: default;
}

.form-actions {
    text-align: right;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button.primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.25);
}

.button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.3);
}

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

@media (max-width: 768px) {
    body {
        padding: 24px 12px;
    }

    .setup-wrapper {
        padding: 24px;
    }

    .setup-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .form-actions {
        text-align: center;
    }
}