/* Css/KayitCss.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}

.container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    position: relative;
    z-index: 1;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo h1 {
    color: #667eea;
    font-size: 36px;
    margin-bottom: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.logo a {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 10px;
    transition: color 0.3s ease;
}

.logo a:hover {
    color: #667eea;
}

.description {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
    font-style: italic;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.register-form {
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-with-icon {
    position: relative;
}

.input-with-icon i:first-child {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    z-index: 1;
}

.input-with-icon input {
    width: 100%;
    padding: 14px 14px 14px 45px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
    position: relative;
}

.input-with-icon input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.terms {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 25px 0;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.terms input[type="checkbox"] {
    margin-top: 3px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.terms label {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.terms a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.terms a:hover {
    text-decoration: underline;
}

.btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.btn:active:not(:disabled) {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-small {
    padding: 8px 16px;
    background: #f8f9fa;
    color: #666;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-small:hover {
    background: #e9ecef;
    border-color: #ccc;
}

.login-link {
    text-align: center;
    margin-top: 25px;
    color: #666;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.login-link a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.login-link a:hover {
    text-decoration: underline;
}

/* Arkaplan animasyonu */
.circles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.circles li {
    position: absolute;
    display: block;
    list-style: none;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
    animation: animate 25s linear infinite;
    bottom: -150px;
    border-radius: 50%;
}

.circles li:nth-child(1) {
    left: 25%;
    width: 80px;
    height: 80px;
    animation-delay: 0s;
}

.circles li:nth-child(2) {
    left: 10%;
    width: 20px;
    height: 20px;
    animation-delay: 2s;
    animation-duration: 12s;
}

.circles li:nth-child(3) {
    left: 70%;
    width: 20px;
    height: 20px;
    animation-delay: 4s;
}

.circles li:nth-child(4) {
    left: 40%;
    width: 60px;
    height: 60px;
    animation-delay: 0s;
    animation-duration: 18s;
}

.circles li:nth-child(5) {
    left: 65%;
    width: 20px;
    height: 20px;
    animation-delay: 0s;
}

.circles li:nth-child(6) {
    left: 75%;
    width: 110px;
    height: 110px;
    animation-delay: 3s;
}

.circles li:nth-child(7) {
    left: 35%;
    width: 150px;
    height: 150px;
    animation-delay: 7s;
}

.circles li:nth-child(8) {
    left: 50%;
    width: 25px;
    height: 25px;
    animation-delay: 15s;
    animation-duration: 45s;
}

.circles li:nth-child(9) {
    left: 20%;
    width: 15px;
    height: 15px;
    animation-delay: 2s;
    animation-duration: 35s;
}

.circles li:nth-child(10) {
    left: 85%;
    width: 150px;
    height: 150px;
    animation-delay: 0s;
    animation-duration: 11s;
}

@keyframes animate {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0;
    }
}

/* Responsive tasarım */
@media (max-width: 768px) {
    .container {
        margin: 20px;
        padding: 25px;
        border-radius: 15px;
    }
    
    .logo h1 {
        font-size: 28px;
    }
    
    .input-with-icon input {
        padding: 12px 12px 12px 40px;
        font-size: 15px;
    }
    
    .terms {
        padding: 12px;
        font-size: 13px;
    }
    
    .btn {
        padding: 12px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    
    .container {
        padding: 20px;
        margin: 10px;
    }
    
    .logo h1 {
        font-size: 24px;
    }
    
    .description {
        font-size: 13px;
    }
    
    .form-group label {
        font-size: 13px;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Selection */
::selection {
    background: rgba(102, 126, 234, 0.3);
    color: inherit;
}

/* Focus outline for accessibility */
:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}