/* Tulus Developer Portal - Modern Styles */

:root {
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --border-color: #e1e8ed;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

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

/* Header Navigation */
.dev-header {
    background: linear-gradient(135deg, #1a252f 0%, var(--secondary-color) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.dev-header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.dev-header-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--white);
}

.dev-header-logo img {
    height: 40px;
    width: auto;
}

.dev-header-logo h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.dev-header-nav {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.dev-header-nav a {
    color: var(--white) !important;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
}

.dev-header-nav a:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--white) !important;
}

.dev-header-nav a.active {
    background-color: rgba(255, 255, 255, 0.25);
    color: var(--white) !important;
}

/* Main Container */
.dev-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Hero Section */
.dev-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 4rem 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 3rem;
    box-shadow: var(--shadow-lg);
}

.dev-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.dev-hero p {
    font-size: 1.25rem;
    opacity: 0.95;
    max-width: 800px;
}

/* Card Styles */
.dev-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease;
}

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

.dev-card h2 {
    color: var(--secondary-color) !important;
    font-size: 1.75rem !important;
    font-weight: 700 !important;
    margin-bottom: 1rem !important;
    padding-bottom: 0.75rem !important;
    border-bottom: 3px solid var(--primary-color) !important;
}

.dev-card h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem;
}

.dev-card h4 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1.25rem 0 0.75rem;
}

.dev-card p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.dev-card ul, .dev-card ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.dev-card li {
    margin-bottom: 0.75rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* Link Styles */
.dev-card a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.dev-card a:hover {
    color: var(--primary-dark);
}

.dev-card a.dev-button,
.dev-card a.dev-button:hover {
    color: var(--white);
}

.dev-card a.dev-button-outline {
    color: var(--primary-color);
}

.dev-card a.dev-button-outline:hover {
    color: var(--white);
}

/* Button Styles */
.dev-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    margin: 0.25rem 0 0.5rem 0;
}

.dev-button:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.dev-button-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: calc(0.75rem - 2px) calc(1.5rem - 2px);
}

.dev-button-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Code Styles */
code {
    background-color: rgba(27, 31, 35, 0.05);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
    color: var(--accent-color);
}

pre {
    background-color: var(--secondary-color);
    color: #f8f8f2 !important;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

pre code {
    background-color: transparent;
    padding: 0;
    color: #f8f8f2 !important;
}

/* Form Styles */
.dev-form-group {
    margin-bottom: 1.5rem;
}

.dev-form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.dev-form-input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.dev-form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.dev-form-help {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Table Styles */
.dev-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.dev-table th {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.dev-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.dev-table tr:last-child td {
    border-bottom: none;
}

.dev-table tr:nth-child(even) {
    background-color: var(--light-bg);
}

.dev-table tr:hover {
    background-color: rgba(52, 152, 219, 0.05);
}

/* Badge Styles */
.dev-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
}

.dev-badge-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.dev-badge-success {
    background-color: var(--success-color);
    color: var(--white);
}

.dev-badge-warning {
    background-color: var(--warning-color);
    color: var(--white);
}

.dev-badge-danger {
    background-color: var(--accent-color);
    color: var(--white);
}

/* Alert/Note Styles */
.dev-alert {
    padding: 1.25rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.dev-alert-info {
    background-color: #e7f3ff;
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.dev-alert-warning {
    background-color: #fff3cd;
    border-color: var(--warning-color);
    color: var(--text-primary);
}

.dev-alert-success {
    background-color: #d4edda;
    border-color: var(--success-color);
    color: var(--text-primary);
}

.dev-alert-danger {
    background-color: #f8d7da;
    border-color: var(--accent-color);
    color: var(--text-primary);
}

/* Grid Styles */
.dev-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}

.dev-grid > div {
    padding-bottom: 1rem;
}

.dev-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.dev-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Footer */
.dev-footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 2rem;
    margin-top: 4rem;
    text-align: center;
}

.dev-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

.dev-footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .dev-header-container {
        flex-direction: column;
        gap: 1rem;
    }

    .dev-header-nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .dev-container {
        padding: 0 1rem;
    }

    .dev-hero {
        padding: 2rem 1rem;
    }

    .dev-hero h1 {
        font-size: 2rem;
    }

    .dev-hero p {
        font-size: 1rem;
    }

    .dev-card {
        padding: 1.5rem;
    }

    .dev-table {
        font-size: 0.875rem;
    }

    .dev-table th,
    .dev-table td {
        padding: 0.75rem 0.5rem;
    }
}

/* Utilities */
.dev-text-center {
    text-align: center;
}

.dev-text-muted {
    color: var(--text-secondary);
}

.dev-mb-0 { margin-bottom: 0; }
.dev-mb-1 { margin-bottom: 0.5rem; }
.dev-mb-2 { margin-bottom: 1rem; }
.dev-mb-3 { margin-bottom: 1.5rem; }
.dev-mb-4 { margin-bottom: 2rem; }

.dev-mt-0 { margin-top: 0; }
.dev-mt-1 { margin-top: 0.5rem; }
.dev-mt-2 { margin-top: 1rem; }
.dev-mt-3 { margin-top: 1.5rem; }
.dev-mt-4 { margin-top: 2rem; }