html {
    font-size: 14px;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

/* Yeşil-Beyaz Tema */
:root {
    --primary-green: #10b981;
    --dark-green: #059669;
    --light-green: #34d399;
    --very-light-green: #d1fae5;
    --white: #ffffff;
    --light-gray: #f9fafb;
    --text-dark: #1f2937;
    --text-muted: #6b7280;
}

body {
    margin-bottom: 40px;
    background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%);
    min-height: 100vh;
}

html {
    position: relative;
    min-height: 100%;
}

/* Navbar Yeşil Tema */
.navbar-dark.bg-primary {
    background: linear-gradient(90deg, var(--primary-green) 0%, var(--dark-green) 100%) !important;
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.2);
}

/* Focus States */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--primary-green);
}

/* Card Styling */
.card {
    border: none;
    border-radius: 16px;
    background: var(--white);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.1);
}

.card-body {
    padding: 2.5rem;
}

/* Anonim Giriş Butonu - Özel Efektler */
.btn-anonymous {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%);
    border: none;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-anonymous::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-anonymous:hover::before {
    left: 100%;
}

.btn-anonymous:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
    background: linear-gradient(135deg, var(--light-green) 0%, var(--primary-green) 100%);
}

.btn-anonymous:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-anonymous i {
    font-size: 1.3rem;
    margin-right: 0.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* Normal Butonlar */
.btn-primary {
    background: var(--primary-green);
    border-color: var(--primary-green);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--dark-green);
    border-color: var(--dark-green);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Form Controls */
.form-control {
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    padding: 0.75rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-green);
    box-shadow: 0 0 0 0.2rem rgba(16, 185, 129, 0.15);
}

/* Divider */
hr {
    border-color: var(--very-light-green);
    opacity: 0.5;
}

/* Text Colors */
.text-muted {
    color: var(--text-muted) !important;
}

.card-title {
    color: var(--dark-green);
    font-weight: 700;
}

/* Alert */
.alert-danger {
    background-color: #fee2e2;
    border-color: #fecaca;
    color: #991b1b;
}

/* Footer */
.footer {
    background: var(--light-gray);
    border-top: 2px solid var(--very-light-green);
}

/* Mobile Responsive Improvements */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .btn-anonymous {
        font-size: 1rem;
        padding: 0.875rem 1.5rem;
    }
    
    .btn-primary, .btn-outline-primary {
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
    }
    
    .form-control {
        padding: 0.625rem;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .display-6 {
        font-size: 2rem;
    }
    
    .mt-5 {
        margin-top: 1.5rem !important;
    }
    
    .mb-5 {
        margin-bottom: 1.5rem !important;
    }
    
    .py-5 {
        padding-top: 1.5rem !important;
        padding-bottom: 1.5rem !important;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 13px;
    }
    
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .card {
        border-radius: 12px;
        margin: 0.5rem 0;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn-anonymous {
        font-size: 0.95rem;
        padding: 0.75rem 1.25rem;
    }
    
    .btn-primary, .btn-outline-primary {
        padding: 0.625rem 1rem;
        font-size: 0.9rem;
    }
    
    .form-control {
        padding: 0.5rem;
        font-size: 16px;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
    
    .display-6 {
        font-size: 1.75rem;
    }
    
    .mt-5 {
        margin-top: 1rem !important;
    }
    
    .mb-5 {
        margin-bottom: 1rem !important;
    }
    
    .py-5 {
        padding-top: 1rem !important;
        padding-bottom: 1rem !important;
    }
    
    /* Mobile specific adjustments */
    .text-center h2 {
        font-size: 1.5rem;
    }
    
    .text-center h5 {
        font-size: 1.1rem;
    }
    
    .alert {
        font-size: 0.9rem;
        padding: 0.75rem;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px; /* Apple's recommended touch target size */
    }
    
    .form-check-input {
        width: 20px;
        height: 20px;
    }
    
    .form-check-label {
        padding-left: 0.75rem;
    }
}

/* Animasyon için ekstra efekt */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeInUp 0.6s ease;
}

/* Mobile Performance Optimizations */
@media (max-width: 768px) {
    /* Reduce animations on mobile for better performance */
    * {
        animation-duration: 0.3s !important;
        transition-duration: 0.2s !important;
    }
    
    /* Optimize images and backgrounds */
    body {
        background-attachment: scroll !important; /* Fixed backgrounds can cause performance issues on mobile */
    }
    
    /* Improve scrolling performance */
    .container {
        -webkit-overflow-scrolling: touch;
    }
    
    /* Prevent horizontal scroll */
    body {
        overflow-x: hidden;
    }
    
    /* Optimize font rendering */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeSpeed;
    }
}

/* iOS Safari specific fixes */
@supports (-webkit-touch-callout: none) {
    /* Fix iOS Safari viewport issues */
    body {
        min-height: -webkit-fill-available;
    }
    
    /* Fix iOS Safari input zoom */
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    textarea,
    select {
        font-size: 16px !important;
    }
    
    /* Fix iOS Safari button styling */
    button,
    .btn {
        -webkit-appearance: none;
        border-radius: 0;
    }
}

/* Android Chrome specific fixes */
@media screen and (-webkit-min-device-pixel-ratio: 0) and (min-resolution: .001dpcm) {
    /* Fix Android Chrome input styling */
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    textarea {
        background-color: transparent;
    }
}

/* High contrast mode improvements */
@media (prefers-contrast: high) {
    .btn-primary {
        border: 2px solid;
    }
    
    .form-control {
        border: 2px solid;
    }
    
    .card {
        border: 2px solid #000;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Print optimizations */
@media print {
    .btn,
    .navbar,
    .footer {
        display: none !important;
    }
    
    .container {
        max-width: none !important;
        padding: 0 !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #000 !important;
    }
}