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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #e4e4e4;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 1200px;
    padding: 20px;
}

/* Giriş Ekranı */
.login-box {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 40px;
    max-width: 400px;
    margin: 0 auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.login-box h1 {
    font-size: 32px;
    margin-bottom: 8px;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    text-align: center;
    color: #a0a0a0;
    margin-bottom: 30px;
    font-size: 14px;
}

.error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.5);
    color: #fca5a5;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    text-align: center;
}

.login-box input {
    width: 100%;
    padding: 14px;
    margin-bottom: 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #e4e4e4;
    font-size: 15px;
    transition: all 0.3s;
}

.login-box input:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.08);
}

.login-box input::placeholder {
    color: #808080;
}

.login-box button {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.login-box button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* Dashboard */
.dashboard {
    width: 100%;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header h1 {
    font-size: 28px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logout-btn {
    padding: 10px 20px;
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.5);
    border-radius: 8px;
    color: #fca5a5;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.logout-btn:hover {
    background: rgba(239, 68, 68, 0.3);
    transform: translateY(-2px);
}

.projects h2 {
    font-size: 20px;
    margin-bottom: 24px;
    color: #e4e4e4;
}

.no-projects {
    text-align: center;
    color: #808080;
    padding: 40px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px dashed rgba(255, 255, 255, 0.1);
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.project-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 24px;
    text-decoration: none;
    color: #e4e4e4;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.project-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.08);
    border-color: #667eea;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.2);
}

.project-icon {
    font-size: 48px;
}

.project-name {
    font-size: 15px;
    font-weight: 500;
    text-align: center;
    word-break: break-word;
}

.project-description {
    font-size: 12px;
    color: #a0a0a0;
    text-align: center;
    line-height: 1.4;
}

@media (max-width: 768px) {
    .project-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 16px;
    }
    
    .login-box {
        padding: 30px 20px;
    }
}