/* PDS Streaming - Based on PDGames Design */

/* CSS Variables for consistent theming */
:root {
    --playdate-yellow: #ffad00;
    --playdate-yellow-dark: #ff9500;
    --playdate-yellow-light: #fffaeb;
    --playdate-black: #1a1a1a;
    --playdate-gray: #333333;
    --playdate-gray-light: #666666;
    --playdate-gray-lighter: #999999;
    --playdate-gray-lightest: #f8f9fa;
    --playdate-gray-dark: #2d3748;
    --playdate-white: #ffffff;
    --playdate-cream: #ffffff;
    --playdate-border: #e1e5e9;
    
    /* Status and semantic colors */
    --color-success: #22c55e;
    --color-success-dark: #16a34a;
    --color-success-bg: #f0fff4;
    --color-success-border: #9ae6b4;
    --color-error: #e74c3c;
    --color-error-dark: #c0392b;
    --color-error-bg: #fed7d7;
    --color-error-border: #feb2b2;
    --color-warning: #f97316;
    --color-warning-dark: #ea580c;
    --color-warning-bg: #fef3c7;
    --color-warning-border: #fde68a;
    --color-info: #3b82f6;
    --color-info-dark: #2563eb;
    --color-info-bg: #f0f9ff;
    --color-info-border: #60a5fa;
    
    --gradient-primary: linear-gradient(135deg, var(--playdate-yellow) 0%, var(--playdate-yellow-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    --gradient-hero: var(--playdate-yellow-light);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 12px 60px rgba(0, 0, 0, 0.2);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--playdate-gray);
    background: var(--gradient-secondary);
    min-height: 100vh;
    font-size: 16px;
    letter-spacing: -0.01em;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--playdate-black);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

p {
    color: var(--playdate-gray);
    line-height: 1.7;
}

/* Modern Navigation */
.navbar {
    background: var(--playdate-white);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--playdate-border);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--playdate-black);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo img {
    height: 3rem;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
    flex: 1;
    justify-content: flex-end;
}

.nav-links a {
    color: var(--playdate-gray);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a:hover {
    color: var(--playdate-yellow-dark);
    background: var(--playdate-yellow-light);
}

.nav-links a.active {
    color: var(--playdate-yellow-dark);
    background: var(--playdate-yellow-light);
}

/* Main Content Area */
.main-content {
    padding: 2rem 0;
    min-height: calc(100vh - 80px);
}

/* Cards */
.card {
    background: var(--playdate-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--playdate-border);
    transition: var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-title {
    margin-bottom: 1.5rem;
    color: var(--playdate-black);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--playdate-white);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    border: 1px solid var(--playdate-border);
    transition: var(--transition-normal);
}

.stat-card:hover {
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
    border-color: var(--playdate-yellow);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--playdate-yellow-dark);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--playdate-gray-light);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Progress Bar */
.progress-bar {
    background: var(--playdate-gray-lightest);
    border-radius: var(--radius-sm);
    height: 8px;
    overflow: hidden;
    margin: 1rem 0;
}

.progress-fill {
    background: var(--gradient-primary);
    height: 100%;
    transition: width var(--transition-normal);
}

/* Buttons - Enhanced PDGames Style */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    background: var(--gradient-primary);
    color: var(--playdate-white);
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
    letter-spacing: -0.01em;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    filter: brightness(1.05);
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: var(--playdate-white);
    color: var(--playdate-gray-dark);
    border: 2px solid var(--playdate-border);
}

.btn-secondary:hover {
    background: var(--playdate-gray-lightest);
    border-color: var(--playdate-yellow);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-error) 0%, var(--color-error-dark) 100%);
    color: var(--playdate-white);
}

.btn-danger:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-dark) 100%);
    color: var(--playdate-white);
}

.btn-success:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
    display: block;
    text-align: center;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn:disabled:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
    filter: none;
}

/* Forms - Enhanced PDGames Style */
.form-container {
    max-width: 420px;
    margin: 0 auto;
    padding: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.form-group label,
.form-label {
    font-weight: 600;
    color: var(--playdate-gray-dark);
    font-size: 0.9rem;
    letter-spacing: -0.01em;
    margin-bottom: 0.25rem;
    display: block;
}

.form-group input,
.form-group select,
.form-group textarea,
.form-input,
input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="tel"],
select,
textarea {
    padding: 0.875rem 1rem;
    border: 2px solid var(--playdate-border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-fast);
    background: var(--playdate-white);
    width: 100%;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.form-input:focus,
input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="tel"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--playdate-yellow);
    box-shadow: 0 0 0 3px rgba(255, 173, 0, 0.1);
    background: var(--playdate-white);
}

.form-group input:disabled,
.form-group select:disabled,
.form-group textarea:disabled,
input:disabled,
select:disabled,
textarea:disabled {
    background: var(--playdate-gray-lightest);
    color: var(--playdate-gray-light);
    cursor: not-allowed;
}

.form-group small,
.form-help {
    color: var(--playdate-gray-lighter);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

/* Checkbox and Radio Styling */
.checkbox-group,
.radio-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.checkbox-group input[type="checkbox"],
.radio-group input[type="radio"] {
    width: auto;
    margin: 0;
    margin-right: 0.5rem;
}

.checkbox-group label,
.radio-group label {
    margin: 0;
    font-weight: 500;
    cursor: pointer;
}

/* Form Validation States */
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: var(--color-error);
}

.form-group.has-error .form-help {
    color: var(--color-error);
}

.form-group.has-success input,
.form-group.has-success select,
.form-group.has-success textarea {
    border-color: var(--color-success);
}

.form-group.has-success .form-help {
    color: var(--color-success);
}

/* Device Cards - Enhanced Style */
.device-card {
    background: var(--playdate-white);
    border: 2px solid var(--playdate-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-normal);
}

.device-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--playdate-yellow);
}

.device-info h3,
.device-info h4 {
    margin-bottom: 0.5rem;
    color: var(--playdate-black);
    font-size: 1.25rem;
    font-weight: 600;
}

.device-info p {
    margin: 0.25rem 0;
    color: var(--playdate-gray);
    font-size: 0.9rem;
    line-height: 1.5;
}

.device-info strong {
    color: var(--playdate-gray-dark);
    font-weight: 600;
}

.device-info .device-meta {
    color: var(--playdate-gray-light);
    font-size: 0.9rem;
}

.device-status {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}

.device-status.active {
    background: var(--color-success-bg);
    color: var(--color-success-dark);
    border: 1px solid var(--color-success-border);
}

/* Pairing Code Display - Enhanced */
.pairing-code-display {
    background: var(--playdate-gray-lightest);
    border: 2px solid var(--playdate-yellow);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    margin: 1.5rem 0;
}

.pairing-code-display .code,
.pairing-code {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--playdate-black);
    letter-spacing: 0.3em;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
}

.pairing-code-display .label {
    color: var(--playdate-gray);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.pairing-instructions {
    margin-top: 1rem;
    color: var(--playdate-gray);
    font-size: 0.95rem;
}

/* Login & Auth Forms - Enhanced Style */
.login-container,
.auth-container {
    max-width: 420px;
    margin: 4rem auto;
    padding: 0 1rem;
}

.login-card,
.auth-card {
    background: var(--playdate-white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--playdate-border);
}

.login-header,
.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h2,
.auth-header h2 {
    color: var(--playdate-black);
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.login-header p,
.auth-header p {
    color: var(--playdate-gray-light);
    font-size: 0.95rem;
}

/* Alert Messages - Enhanced Style */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    border: 2px solid;
    font-weight: 500;
    position: relative;
    animation: slideInDown 0.3s ease;
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success-dark);
    border-color: var(--color-success-border);
}

.alert-error {
    background: var(--color-error-bg);
    color: var(--color-error-dark);
    border-color: var(--color-error-border);
}

.alert-warning {
    background: var(--color-warning-bg);
    color: var(--color-warning-dark);
    border-color: var(--color-warning-border);
}

.alert-info {
    background: var(--color-info-bg);
    color: var(--color-info-dark);
    border-color: var(--color-info-border);
}

/* Flash Messages */
.flash-messages {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.flash-message {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    animation: slideIn 0.3s ease;
    min-width: 300px;
    border: 2px solid;
}

.flash-message.success {
    background: var(--color-success-bg);
    color: var(--color-success-dark);
    border-color: var(--color-success-border);
}

.flash-message.error {
    background: var(--color-error-bg);
    color: var(--color-error-dark);
    border-color: var(--color-error-border);
}

.flash-message.info {
    background: var(--color-info-bg);
    color: var(--color-info-dark);
    border-color: var(--color-info-border);
}

/* Animations */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Footer */
.footer {
    background: var(--playdate-white);
    border-top: 1px solid var(--playdate-border);
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
    color: var(--playdate-gray-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar .container {
        flex-wrap: wrap;
    }
    
    .nav-links {
        width: 100%;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .device-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .form-container,
    .login-container,
    .auth-container {
        padding: 1rem;
    }
    
    .login-card,
    .auth-card {
        padding: 1.5rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.text-muted { color: var(--playdate-gray-light); }
.text-danger { color: var(--color-error); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }