/* ========================================
   Meta Tag Generator - Profilioo Style
   ======================================== */

/* CSS Variables */
:root {
    --primary-blue: #2563eb;
    --dark-blue-hover: #1d4ed8;
    --purple-accent: #7c3aed;
    --gradient: linear-gradient(135deg, #2563eb, #7c3aed);
    --background: #ffffff;
    --light-section-bg: #f8fafc;
    --main-text: #1f2937;
    --muted-text: #6b7280;
    --soft-border: rgba(0, 0, 0, 0.08);
    --error-color: #ef4444;
    --success-color: #10b981;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --radius: 16px;
    --radius-sm: 12px;
    --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background);
    color: var(--main-text);
    line-height: 1.6;
    min-height: 100vh;

}

/* Container */
.container {
    max-width: 1000px;
    margin: 0 auto;
}

/* Page Header */
.page-header {
    text-align: center;
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.page-header .subtitle {
    font-size: 1.125rem;
    color: var(--muted-text);
}

/* Tool Wrapper */
.tool-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

/* Card */
.card {
    background: var(--background);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--soft-border);
    padding: 28px;
    height: 100%;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-hover);
}

.card h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--main-text);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--soft-border);
}

/* Form Section */
.form-section {
    min-height: 100%;
}

/* Form Groups */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--main-text);
    margin-bottom: 8px;
}

.form-group label .required {
    color: var(--error-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.9375rem;
    color: var(--main-text);
    background: var(--light-section-bg);
    border: 1px solid var(--soft-border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--muted-text);
    opacity: 0.7;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: var(--background);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--error-color);
    background: #fef2f2;
}

.form-group input.error:focus,
.form-group textarea.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Error Message */
.error-message {
    display: none;
    font-size: 0.75rem;
    color: var(--error-color);
    margin-top: 6px;
}

.error-message.show {
    display: block;
}

/* Output Section */
.output-section {
    min-height: 100%;
}

.output-wrapper {
    position: relative;
}

#outputCode {
    width: 100%;
    min-height: 400px;
    padding: 16px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--main-text);
    background: var(--light-section-bg);
    border: 1px solid var(--soft-border);
    border-radius: var(--radius-sm);
    resize: vertical;
    transition: var(--transition);
}

#outputCode:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Success Message */
.success-message {
    display: none;
    font-size: 0.875rem;
    color: var(--success-color);
    text-align: center;
    margin-top: 16px;
    padding: 10px;
    background: #ecfdf5;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.success-message.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

/* Buttons */
.btn-primary {
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    background: var(--gradient);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    margin-top: 8px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--dark-blue-hover), #6d28d9);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

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

.button-group {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.btn-secondary {
    flex: 1;
    padding: 12px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: #ffffff;
    background: var(--gradient);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--dark-blue-hover), #6d28d9);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.25);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-outline {
    flex: 1;
    padding: 12px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-blue);
    background: transparent;
    border: 1.5px solid var(--primary-blue);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.btn-outline:hover:not(:disabled) {
    background: var(--primary-blue);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-outline:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: var(--muted-text);
    color: var(--muted-text);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 24px 16px;
    }

    .page-header h1 {
        font-size: 1.875rem;
    }

    .page-header .subtitle {
        font-size: 1rem;
    }

    .tool-wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .card {
        padding: 20px;
    }

    .card h2 {
        font-size: 1.125rem;
        margin-bottom: 20px;
    }

    #outputCode {
        min-height: 300px;
    }

    .button-group {
        flex-wrap: wrap;
    }

    .btn-secondary,
    .btn-outline {
        flex: 1 1 calc(50% - 6px);
        min-width: 120px;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 1.5rem;
    }

    .btn-secondary,
    .btn-outline {
        flex: 1 1 100%;
    }
}