/* styles.css - Sakin ve Minimal Tema */

:root {
    --primary: #6C8EB6;  /* Yumu?ak mavi */
    --secondary: #B6C6D9; /* A??k gri-mavi */
    --accent: #7EBDC2;   /* Pastel turkuaz */
    --background: #F5F7FA; /* A??k gri arkaplan */
    --text: #2D4059;     /* Koyu mavi-gri */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--background);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.login-container {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    width: 100%;
    max-width: 400px;
    text-align: center;
    animation: gentleAppear 0.6s ease-out;
}

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

h1 {
    color: var(--text);
    font-size: 1.8rem;
    margin-bottom: 2rem;
    font-weight: 600;
}

.login-container input {
    width: 100%;
    padding: 12px;
    margin-bottom: 1.2rem;
    border: 2px solid var(--secondary);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.login-container input:focus {
    border-color: var(--primary);
    outline: none;
}

.login-container button {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

.login-container button:hover {
    background: var(--accent);
}

.error-message {
    color: #D64545; /* Yumu?ak k?rm?z? */
    margin: 1rem 0;
    font-size: 0.9rem;
}

/* Arkaplan Dekorasyon */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle, var(--secondary) 0%, transparent 50%),
        linear-gradient(45deg, var(--accent) 0%, transparent 100%);
    opacity: 0.05;
    z-index: -1;
    animation: subtleFlow 20s linear infinite;
}

@keyframes subtleFlow {
    0% { transform: rotate(0deg) scale(1); }
    50% { transform: rotate(180deg) scale(1.2); }
    100% { transform: rotate(360deg) scale(1); }
}